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Journal articles on the topic 'Nutrient amendments'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Luyima, Deogratius, Michael Egyir, Yeo-Uk Yun, Seong-Jin Park, and Taek-Keun Oh. "Nutrient Dynamics in Sandy Soil and Leaf Lettuce Following the Application of Urea and Urea-Hydrogen Peroxide Impregnated Co-Pyrolyzed Animal Manure and Bone Meal." Agronomy 11, no. 8 (2021): 1664. http://dx.doi.org/10.3390/agronomy11081664.

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There is a paucity of data regarding the effect of nutrient-enriched biochar amendments on nutrient dynamics in both soil and crops. This is important because unlike pristine biochar, nutrient-enriched biochar is applied to the soil in minute quantities as large amounts may led to over application of the nutrients loaded in it. The current study examined the effects of both phosphorus- and nitrogen-enriched biochars on the dynamics of both macro and micronutrients in the sandy soil and leaf lettuce grown thereon. The phosphorus enrichment followed co-pyrolysis of animal manure (cow dung) with

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Shrestha, Paliza, Korkmaz Bellitürk, and Josef Görres. "Phytoremediation of Heavy Metal-Contaminated Soil by Switchgrass: A Comparative Study Utilizing Different Composts and Coir Fiber on Pollution Remediation, Plant Productivity, and Nutrient Leaching." International Journal of Environmental Research and Public Health 16, no. 7 (2019): 1261. http://dx.doi.org/10.3390/ijerph16071261.

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We investigated the effects of organic amendments (thermophilic compost, vermicompost, and coconut coir) on the bioavailability of trace heavy metals of Zn, Cd, Pb, Co, and Ni from heavy metal-spiked soils under laboratory conditions. To test switchgrass (Panicum virgatum) as a potential crop for phytoremediation of heavy metal from soil, we investigated whether the addition of organic amendments promoted switchgrass growth, and consequently, uptake of metals. Compost is a valuable soil amendment that supplies nutrients for plant establishment and growth, which is beneficial for phytoremediati

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Li, Qingshan, Mengqian Xu, Lingying Xu, et al. "Organic Fertilization Leads to N Limitation Rather than P Limitation in Both Vegetable Soils." Agronomy 15, no. 1 (2025): 190. https://doi.org/10.3390/agronomy15010190.

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Organic amendments are widely used to enhance soil fertility and nutrient cycling in greenhouse cultivation, but their effectiveness can vary depending on their origin and composition. This study investigated the impact of four organic materials (rice husk, coconut coir, biochar, and sheep manure) on nutrient cycling and enzyme activities in two of greenhouse tomato soils. The distribution of soil nutrients and enzyme activities was analyzed under controlled conditions during a pot experiment. The addition of organic amendments, regardless of their source, significantly altered the microbial r

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Rinwa, Vishal, and Navjot Rana. "Influence of Organic and Inorganic Amendments on Growth, Yield, and Nutrient Uptake in Black Gram (Vigna mungo) Cultivation." Journal of Advances in Biology & Biotechnology 28, no. 5 (2025): 56–69. https://doi.org/10.9734/jabb/2025/v28i52269.

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This review systematically explores the impacts of organic and inorganic soil amendments on the growth, yield, and nutrient uptake of black gram (Vigna mungo), a significant legume crop in agrarian economies. The synthesis of findings from numerous studies reveals that organic amendments, including compost, manure, and biochar, significantly enhance soil fertility, improve water retention, and increase microbial activity, leading to improved plant growth and higher yields. Moreover, inorganic amendments, primarily synthetic fertilizers, offer immediate nutrient availability, which significantl

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Amare, Ermias Misganaw. "Biocha Soil Amendment: Effect on Soil, Crop Performance, and Diseases Resistance." International Journal on Food, Agriculture and Natural Resources 4, no. 4 (2023): 82–87. http://dx.doi.org/10.46676/ij-fanres.v4i4.204.

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One of the main challenges facing developing countries is an ever-increasing gap between population growth and food supply. Diseases, insects, and weeds decrease the production of crops worldwide by 36%. Hence, control of crop pests contributes to increased crop production. Organic amendments to the soil have direct impacts on crop productivity and plant health as it enhances soil fertility, water, and nutrient retention and plant disease defense mechanisms. Biochar is an important organic amendment. It is produced by the pyrolysis process, whereby organic substances are broken down at higher

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Zhou, Cuiying, Xingxing Ge, Wei Huang, Dexian Li, and Zhen Liu. "Effects of Aqua-Dispersing Nano-Binder on Clay Conductivity at Different Temperatures." Sustainability 11, no. 18 (2019): 4859. http://dx.doi.org/10.3390/su11184859.

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Soil nutrients are the basis of ecological remediation. Soil amendments can form a reticular membrane structure on the soil surface to increase nutrient storage and alleviate nutrient imbalances, and are affected by the environmental temperature. At present, the qualitative evaluation of the effect of soil amendment is mainly based on vegetative growth. However, with the increasing use of soil amendments, how to conveniently and quantitatively evaluate the impact of soil amendments on ecological restoration under different temperature conditions from the perspective of soil urgently needs to b

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Masocha, Boitshwarelo Lorato, and Oagile Dikinya. "The Role of Poultry Litter and Its Biochar on Soil Fertility and Jatropha curcas L. Growth on Sandy-Loam Soil." Applied Sciences 12, no. 23 (2022): 12294. http://dx.doi.org/10.3390/app122312294.

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Low agricultural output and a decline in plant-available nutrient content in soil pose significant challenges to developing countries. To test the hypothesis that poultry litter and its biochar improve soil quality, nutrient status, and plant growth, a greenhouse pot experiment with sandy-loam soil was conducted. Selected application rates of poultry litter (0, 15, 30, 60, and 120 g/kg) and its biochar pyrolyzed at 350 °C and 600 °C were used. With the addition of organic amendments, Jatropha plant height, leaf number, and stem diameter improved significantly, as did soil fertility indicators

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8

Cooper, Cade P., James P. Muir, Kimberly B. Wellmann, et al. "Short‐term effects of soil texture, biochar, manure, and tillage practices on warm‐climate forage yields and nutrient content." Grassland Research 4, no. 1 (2025): 66–78. https://doi.org/10.1002/glr2.12113.

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AbstractBackgroundBiochar (BC) amendment to soils can affect crop yields negatively, especially during the first season following application, by binding essential nutrients; however, little data exist on its effects on warm‐climate forage yields and nutritive values. We determined the effects of BC (0, 5, 10 Mg DM ha−1), dairy manure (0 and 10 Mg DM ha−1), soil type (loamy sand, sandy loam, clay loam), and tillage practices (till [incorporation of soil amendments with tillage] vs. no till [soil amendments surface application]) on the nutrient profile and dry matter yield (DMY) of Bermudagrass

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9

Little, Neith G., Charles L. Mohler, Quirine M. Ketterings, and Antonio DiTommaso. "Effects of Organic Nutrient Amendments on Weed and Crop Growth." Weed Science 63, no. 3 (2015): 710–22. http://dx.doi.org/10.1614/ws-d-14-00151.1.

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Sufficient fertility is important for crop growth and yield but supplying a balanced amount of N, P, and K with compost and manure is a challenge and nutrient imbalances can benefit weeds more than crops. The goal of this study was to compare the aboveground growth responses of common northeastern U.S. crops and weeds to addition of composted poultry manure (CPM). A secondary goal was to test whether the observed growth responses to CPM could be attributed to the three macronutrients—N, P, and K—supplied in the CPM. Two field experiments were conducted over 2 yr. Species grown were corn, lettu

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Valenzuela, Hector, Roger Corrales, and Ted Goo. "(222) The Residual Effect of Organic Amendment Applications on the Yield of Sweet Corn, Zucchini, and Mustard Cabbage." HortScience 40, no. 4 (2005): 1074B—1074. http://dx.doi.org/10.21273/hortsci.40.4.1074b.

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A major issue in the preparation of nutrient budgets for organic farmers is the residual nutrient effect from organic amendments available for follow-up crops in year-round rotation systems. A series of separate experiments were conducted to evaluate: 1) the residual nutrient effects on double-cropped sweet corn from initial applications of several organic amendments locally available in Oahu, Hawaii; 2) the residual effect of double cropped zucchini; and 3) mustard cabbage from the application of similar organic amendments. The sweet corn experiment consisted of six treatments, with organic a

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B.S, Anusha, Rinku Verma, Kiran S.C, Haseena K, Gangadhar Eswar Rao G, and Madappa Savitha. "Synergistic Impact of Biochar and Organic Amendments on Field Bean (Vicia faba) Growth and Soil Characteristics." International Journal of Environment and Climate Change 15, no. 1 (2025): 67–80. https://doi.org/10.9734/ijecc/2025/v15i14675.

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Many studies have explored the effects of various biochar types and their combinations with inorganic fertilizers, but few have focused on identifying the most effective organic amendments when used with biochar in sandy loam soil. This study aims to determine the impact of different biochar doses combined with organic amendments on plant growth and yield (Vicia faba) in sandy loam soil. Biochar doses of 15, 20, and 25 t/ha were applied in combination with organic amendments such as farmyard manure (FYM), vermicompost (VC), Ghanajeevamruth (GA), and their various combinations. The effectivenes

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Hays, Katherine N., James P. Muir, Eunsung Kan, et al. "Tillage, Manure, and Biochar Short-Term Effects on Soil Characteristics in Forage Systems." Agronomy 13, no. 9 (2023): 2224. http://dx.doi.org/10.3390/agronomy13092224.

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Manure, a globally used soil amendment, can contribute to excessive N and P runoff, leading to water pollution. Biochar (BC) shows promise in mitigating nutrient loss by retaining soil nutrients. However, there is limited research exploring the combined effects of tillage practices, biochar, manure, forage crops, and soil types on soil nutrient characteristics in a single field study. Our objectives are to determine if, in North Central Texas, differing soil types, soil amendments, forage crops, and tillage practices affect soil nutrients when applied short term, and whether correlations exist

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13

Hao, Jianjun, and Katherine Ashley. "Irreplaceable Role of Amendment-Based Strategies to Enhance Soil Health and Disease Suppression in Potato Production." Microorganisms 9, no. 8 (2021): 1660. http://dx.doi.org/10.3390/microorganisms9081660.

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Soilborne diseases are a major constraining factor to soil health and plant health in potato production. In the toolbox of crop management, soil amendments have shown benefits to control these diseases and improve soil quality. Most amendments provide nutrients to plants and suppress multiple soilborne pathogens. Soil amendments are naturally derived materials and products and can be classified into fresh or living plants, organic or inorganic matters, and microbial supplements. Fresh plants have unique functions and continuously exude chemicals to interact with soil microbes. Organic and inor

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14

Lee, Se-In, Nuri Baek, Seo-Woo Park, et al. "Ponding Water Quality of Rice Paddies Fertilized with Anaerobically Digested Liquid Pig Manure as Affected by Fly Ash and Zeolite." Water 17, no. 8 (2025): 1189. https://doi.org/10.3390/w17081189.

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Anaerobically digested liquid pig manure (LPM) is enriched with nutrients and thus can be used as an alternative nutrient source and substitute for chemical fertilizer (CF) in rice (Oryza sativa L.) farming. However, there are concerns regarding the contamination of the surrounding water due to the discharge of ponding water containing dissolved organic carbon (DOC), nitrogen (N), and phosphorus (P) from rice paddies fertilized using LPM. This study investigated the effects of the co-application of fly ash (FA) and zeolite (Z) amendments (FAZ amendments) on the concentration of DOC, N, and P i

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15

Zhang, Yushan, Linqing Li, Fan Zhang, et al. "Effect of Soil Amendment of Greening Waste on Leaching Loss of Soil Nitrogen and Phosphorus." Journal of Physics: Conference Series 2679, no. 1 (2024): 012043. http://dx.doi.org/10.1088/1742-6596/2679/1/012043.

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Abstract It is of great practical significance for comprehensively promoting the green development of agriculture to explore practical products for preventing and controlling nitrogen and phosphorus leaching. In this study, PVC soil column experiments and field experiments were used to evaluate the interception effect of soil amendments produced by green wastes on nitrogen and phosphorus leaching. The pH value, EC value, the nutrient contents of ammonium nitrogen (NH4 +-N), nitrate nitrogen (NO3 −-N), total nitrogen (TN), and available phosphorus (AP) in different soil layers and leaching solu

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16

Ozores-Hampton, Monica. "Developing a Vegetable Fertility Program Using Organic Amendments and Inorganic Fertilizers." HortTechnology 22, no. 6 (2012): 743–50. http://dx.doi.org/10.21273/horttech.22.6.743.

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This review integrates information from common organic amendments used in conventional vegetable production, including 1) cover crops (legumes and nonlegumes), 2) compost generated from yard wastes, biosolids, municipal solid waste (MSW), animal manures, and other biodegradable waste by-products, and 3) raw animal manure (with and without bedding). Environmental monitoring has shown elevated nitrate concentration to be widespread in both surface and groundwater, often occurring in regions with concentrated horticultural production. Therefore, the objective of this review was to calculate the n

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17

Pokhrel, Ankit, Ramdas Kanissery, Sarah L. Strauss, and Ute Albrecht. "Integration of Organic Amendments and Weed Management to Improve Young Citrus Tree Growth Under HLB-Endemic Conditions." Agronomy 15, no. 4 (2025): 772. https://doi.org/10.3390/agronomy15040772.

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Florida citrus production has declined by over 90% since the bacterial disease huanglongbing (HLB) was found in the state. In the absence of an effective cure, growers are adopting more frequent fertilization and irrigation practices to improve tree health and prolong the life span of their orchards. However, Florida’s soils under citrus production are sandy, with little organic matter, a low water holding capacity, and a low cation exchange capacity (CEC), rendering them prone to nutrient leaching. Organic amendments can be used to improve soil health and the environment for citrus roots, but

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18

Lindquist, Austin, Kati Kent, Jeremy Pickens, Paul Bartley, Dexter B. Watts, and H. Allen Torbert. "Nutrient Competitive Effects in Chrysanthemum Amended with Flue Gas Desulfurization Gypsum." HortScience 60, no. 1 (2025): 146–51. https://doi.org/10.21273/hortsci17998-24.

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Gypsum use in agriculture has a longstanding history, yet there remains a critical need for research to understand better its impact on plant development and plant nutrient availability. This study evaluated the impact of flue gas desulfurization gypsum (FGDG) amendments on the physical and chemical properties of pine bark substrates and the growth and nutrient uptake of chrysanthemum ‘Wanda Red’. Pine bark was incorporated with controlled-release fertilizer, micronutrient fertilizer, dolomitic limestone, and varying FGDG rates (0%, 2.5%, 5%, and 10% v:v). Plant growth metrics, including dry w

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I. Rashmi, Shakir Ali, B.L. Mina, et al. "Effect of gypsum integrated with organic amendments on hydrologic attributes, crop productivity and soil health of table land in Chambal river basin." Indian Journal of Soil Conservation 52, no. 1 (2025): 26–33. https://doi.org/10.59797/ijsc.v52.i1.146.

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A field experiment was conducted to evaluate the effect of soil amendments on runoff, soil loss, nutrient loss, crop productivity and soil properties in table lands of Chambal ravines, western India. Eight treatments consisting of gypsum, crop residue (CR) and farm yard manure (FYM) applied solely and in combination with each other with recommended fertilizer dose (RDF) and one control were imposed on soybeanmustard cropping system. Observations recorded over three years revealed that lowest runoff (15.5-17.9%) and soil loss (2-2.2 t ha-1) was found in RDF + Gypsum + CR, RDF + Gypsum + CR + FY

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Ayamba, Benedicta Essel, Robert Clement Abaidoo, Andrews Opoku, and Nana Ewusi-Mensah. "Mechanisms for nutrient interactions from organic amendments and mineral fertilizer inputs under cropping systems: a review." PeerJ 11 (April 4, 2023): e15135. http://dx.doi.org/10.7717/peerj.15135.

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Food security issues continue to be a challenge in most parts of the globe, especially in sub-Saharan Africa (SSA). Several research attempts on addressing this issue have mainly been on nutrient replenishment using combined nutrient application of organic amendments and mineral fertilizer inputs. However, there is limited information available on the potential mechanisms underlying nutrient interactions associated with co-application of organic amendments and mineral fertilizers. Therefore, this review focuses on the mechanisms underlying crop nutrient interactions, with particular emphasis o

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Ghosh, Subhadip, Nilantha Hulugalle, Peter Lockwood, Kathleen King, Paul Kristiansen, and Heiko Daniel. "Organic amendments influence nutrient availability and cotton productivity in irrigated Vertosols." Australian Journal of Agricultural Research 59, no. 11 (2008): 1068. http://dx.doi.org/10.1071/ar08141.

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There is increasing interest in the use of organic amendments in the Australian cotton (Gossypium hirsutum L.) industry because of perceived benefits to soil health and the environment. A 2-year field experiment was conducted at the Australian Cotton Research Institute (ACRI), near Narrabri, NSW, using three locally available organic amendments applied at typical farmers’ rates to irrigated cotton. The amendments used were cattle manure (10 t/ha), composted cotton gin trash (7.5 t/ha), and a commercial liquefied vermicompost (50 L/ha), and their effects on soil quality characteristics were com

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McCray, J. Mabry, Shangning Ji, and Leslie E. Baucum. "Sugarcane Yield Response to Furrow-Applied Organic Amendments on Sand Soils." International Journal of Agronomy 2015 (2015): 1–9. http://dx.doi.org/10.1155/2015/426387.

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Organic amendments have been shown to increase sugarcane yield on sand soils in Florida. These soils have very low water and nutrient-holding capacities because of the low content of organic matter, silt, and clay. Because of high costs associated with broadcast application, this field study was conducted to determine sugarcane yield response to furrow application of two organic amendments on sand soils. One experiment compared broadcast application (226 m3 ha−1) of mill mud and yard waste compost, furrow application (14, 28, and 56 m3 ha−1) of these materials, and no amendment. Another experi

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Dempster, Daniel N., Davey L. Jones, and Daniel V. Murphy. "Clay and biochar amendments decreased inorganic but not dissolved organic nitrogen leaching in soil." Soil Research 50, no. 3 (2012): 216. http://dx.doi.org/10.1071/sr11316.

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Nitrogen (N) leaching from coarse-textured soils frequently leads to productivity losses and negative environmental consequences. Historically, clay amendment has been used on coarse-textured soils to decrease water repellence and nutrient leaching. More recently, biochar has been proposed as an alternative soil amendment to decrease N leaching while simultaneously storing carbon. As biochar has a greater nutrient-retention capacity, we hypothesised that biochar derived from Eucalyptus marginata would be a more effective amendment than clay at minimising N leaching. The soil used was a coarse-

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Worden, Christopher, George Elliott, Bernard Bible, Karl Guillard, and Thomas Morris. "Use of a Food-processing Residual Compost for Salad Green Production on Organic Farms: Soil Response and Crop Yields." HortScience 35, no. 5 (2000): 830B—830. http://dx.doi.org/10.21273/hortsci.35.5.830b.

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A composting facility in New Milford, Conn. (NMF), utilizes food-processing residuals, including spent tea leaves, coffee grounds, cocoa shell and cleanings, wastewater treatment sludge from a food ingredients manufacturing plant, and past-expiration processed vegetable products. Materials are composted in aerated, frequently turned windrows under cover. The range of inputs, combined with time constraints on the composting process, has resulted in a variable, immature compost product with a high rate of microbial activity. Users have expressed concern about potential phytotoxicity or nutrient

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Zhang, Yu, Liuge Wu, Xin Zhang, et al. "Effect of Long-Term Organic Amendment Application on the Vertical Distribution of Nutrients in a Vertisol." Agronomy 12, no. 5 (2022): 1162. http://dx.doi.org/10.3390/agronomy12051162.

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Soil nutrients in deep soils are important for nutrient cycling and plant growth. Organic amendments have been widely used for enhancing soil health and crop yield. However, little is known about the effects of organic amendments on the vertical distributions of soil nutrients. Based on a 32-year long-term organic amendment experiment, the objective of this study was to evaluate changes in the vertical distribution of nutrients in a soybean–wheat system Vertisol. The results showed that NPK with manure or straw application significantly increased soil organic carbon (SOC), total N, total P, al

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Hammermeister, A. M., T. Astatkie, E. A. Jeliazkova, P. R. Warman, and R. C. Martin. "Nutrient supply from organic amendments applied to unvegetated soil, lettuce and orchardgrass." Canadian Journal of Soil Science 86, no. 1 (2006): 21–33. http://dx.doi.org/10.4141/s05-021.

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Organic sources of nutrients are increasingly being used in horticultural and certified organic production. The nutrient-supplying potentials of poultry manure compost (PM), feather meal (FM), alfalfa meal (AA) and vermicastings (VC) and an unamended control were measured in a growth room experiment. The amendments were applied at rates equivalent to 200, 400 and 800 kg total N ha-1 to a soil of low fertility. Nitrogen supply rates and concentrations were measured over 6 mo in unvegetated pots using PRS™ probes and KCl extraction, respectively. Biomass of lettuce (Lactuca sativa L.) and orchar

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Bigelow, Cale A., Daniel C. Bowman, and D. Keith Cassel. "Nitrogen Leaching in Sand-based Rootzones Amended with Inorganic Soil Amendments and Sphagnum Peat." Journal of the American Society for Horticultural Science 126, no. 1 (2001): 151–56. http://dx.doi.org/10.21273/jashs.126.1.151.

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sand-based rootzones are specified for golf course putting greens because they resist compaction and maintain drainage, even under heavy traffic. Although sands provide favorable physical properties, nutrient retention is generally poor and soluble nutrients like nitrogen (N) are prone to leaching. Laboratory experiments were conducted to evaluate several inorganic soil amendments (clinoptilolite zeolite (CZ), diatomaceous earth, and two porous ceramics), which varied in cation exchange capacity (CEC), and sphagnum peat for their ability to limit N leaching. Columns (35 cm tall × 7.6 cm diamet

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Liu, K., A. M. Hammermeister, D. G. Patriquin, and R. C. Martin. "Assessing organic potato cropping systems at the end of the first cycle of four-year rotations using principal component analysis." Canadian Journal of Soil Science 88, no. 4 (2008): 543–52. http://dx.doi.org/10.4141/cjss07019.

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A single or a few variables may not be sufficient to evaluate management practice effects in a complicated cropping system, so six plant and 13 soil variables were integrated using principal component analysis (PCA) to examine nine 4-yr organic potato rotations. The rotations were combinations of three forage levels (0, 1, and 2 yr of forages) with three soil amendments (monogastric compost, ruminant compost, and alfalfa meal). Quantities of amendments were estimated by soil test recommendations and amendment nutrient availabilities. In the 4th potato year, one half of each original plot was n

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Olego, Miguel Ángel, Mateo Cuesta Lasso, Miguel Javier Quiroga, Fernando Visconti, Roberto López, and Enrique Garzón-Jimeno. "Effects of Leonardite Amendments on Vineyard Calcareous Soil Fertility, Vine Nutrition and Grape Quality." Plants 11, no. 3 (2022): 356. http://dx.doi.org/10.3390/plants11030356.

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Vineyard calcareous soils are usually low in organic matter, which makes them prone to physical, chemical, and biological degradation. Besides, these soils are also usually poor in various nutrients in plant-available form, e.g., iron. To make up for this lack of soil fertility, on the one hand, manures, and on the other, iron chelates are usually used. However, the soil application of these materials is not free from problems, and other amendments based on leonardites could be advantageously used as an alternative. Therefore, two organic amendments, one leonardite alone (1 Mg/ha), and the oth

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Oueriemmi, Houda, Petra Kidd, Carmen Trasar-Cepeda, et al. "Evaluation of Composted Organic Wastes and Farmyard Manure for Improving Fertility of Poor Sandy Soils in Arid Regions." Agriculture 11, no. 5 (2021): 415. http://dx.doi.org/10.3390/agriculture11050415.

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Farmyard manure, an amendment traditionally used for improving the fertility of sandy soils in arid climates, is becoming scarce and expensive. Its shortage makes it necessary to evaluate, at field scale, the suitability and medium-term performance of other cheap, highly available substitutes. A field trial was established to analyze the effects of a single application of three organic residues on barley yield and nutrient uptake and selected soil properties after two consecutive harvests. Municipal solid waste compost (MSWC), sewage sludge compost (SSC) and farmyard manure (FYM) were tested a

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Awal, Ripendra, Almoutaz El Hassan, Farhat Abbas, et al. "Patterns of Nutrient Dynamics within and below the Rootzone of Collard Greens Grown under Different Organic Amendment Types and Rates." Sustainability 13, no. 12 (2021): 6857. http://dx.doi.org/10.3390/su13126857.

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The knowledge about nutrient dynamics in the soil is pivotal for sustainable agriculture. A comprehensive research trial can retort unanswered questions. Dynamics of nutrients sourced from organic amendment types (chicken manure, dairy manure, and MilorganiteTM) applied at different rates (0, 168, 336, 672 kg total N/ha) were monitored within and below the rootzone of collard greens cultivated on a sandy loam soil in Prairie View, TX, USA. Macro- and micronutrients (e.g., TN: total nitrogen, P: phosphorous, K: potassium, Na: sodium, Ca: calcium, Mg: magnesium, B: boron, Cu: copper, Fe: iron, a

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Slesak, Robert A., and Russell D. Briggs. "Foliar Mass and Nutrition of Abies concolor Christmas Trees following Application of Organic and Inorganic Fertilizer." Northern Journal of Applied Forestry 27, no. 1 (2010): 28–33. http://dx.doi.org/10.1093/njaf/27.1.28.

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Abstract Fertilization in Christmas tree production is common to increase tree growth and quality, with many recommendations focusing on N as a primary amendment. However, other nutrients may limit growth, or N application may induce deficiency of other nutrients. We applied fertilizer as either ammonium nitrate (AN) or chicken manure compost (CMC) to concolor fir (Abies concolor [Gord. and Glend.] Lindl.) at eight sites across central New York in 2003 and measured foliar mass and macronutrient response (N, P, K, Ca, and Mg) to assess the potential for an inducible nutrient deficiency or nutri

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Shegokar, G. H., B. A. Sonune, M. R. Pandao, et al. "Effect of Integrated Nutrient Management with VAM on Nutrient Uptake and Yield of Sorghum." International Journal of Plant & Soil Science 36, no. 11 (2024): 420–25. http://dx.doi.org/10.9734/ijpss/2024/v36i115159.

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This study evaluated the impact of integrated nutrient management practices and arbuscular mycorrhizal fungi (AMF) on sorghum yield, nutrient uptake, and soil fertility in swell-shrink soils. Eight treatments, including recommended dose of fertilizer (RDF) and various organic amendments (FYM, vermicompost) with and without AMF, were tested in a randomized block design with three replications during the Kharif season 2022-23. Results indicated that the application of 75% RDF combined with vermicompost (2.5 t ha-1) and AMF (5 kg ha-1) significantly enhanced sorghum yield and total nutrient uptak

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Schefe, C. R., A. F. Patti, T. S. Clune, and W. R. Jackson. "Organic amendment addition enhances phosphate fertiliser uptake and wheat growth in an acid soil." Soil Research 46, no. 8 (2008): 686. http://dx.doi.org/10.1071/sr08035.

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The effect of 2 organic amendments (lignite and compost) on wheat growth and phosphate fertiliser efficiency (triple superphosphate, TSP; di-ammonium phosphate, DAP) in an acid soil was investigated in a glasshouse experiment. Organic amendments were incorporated into the top 40 mm of soil at rates resulting in a 1% and 2.5% increase in soil C, and fertilisers were banded within the seed row at rates equivalent to 5, 10, and 25 kg P/ha. When no P was applied, addition of both organic amendments increased shoot height, with greatest growth recorded in the compost-amended treatments. Addition of

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Rahayu, Rahayu, Jauhari Syamsiyah, and Livia Dewi. "Effects of Gypsum and Zeolite on Nutrient Uptake and Shallot (Allium ascalonium L.) Growth on Irrigated Saline Entisol." JOURNAL OF TROPICAL SOILS 24, no. 2 (2019): 73. http://dx.doi.org/10.5400/jts.2019.v24i2.73-81.

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Entisols is soil that newly formed and has diverse fertility, and potential for shallot cultivation.. The center of shallot production is mostly carried out in coastal areas which have a limiting factor high soil salinity. High salinity will cause nutrient uptake and plant growth disrupted. Soil amendments such as zeolite and gypsum potential option to overcome tha impact of high salinity. This study was completely randomized design (CRD) two factors, shallot cultivar (Brebes cultivar = V1, Purbalingga cultivar = V2, Pemalang cultivar = V3), and soil amendment (gypsum = G, zeolite = Z, without

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Zvomuya, Francis, Francis J. Larney, Olalekan O. Akinremi, Reynald L. Lemke, and Vasile E. Klaassen. "Topsoil replacement depth and organic amendment effects on plant nutrient uptake from reclaimed natural gas wellsites." Canadian Journal of Soil Science 86, no. 5 (2006): 859–69. http://dx.doi.org/10.4141/s06-003.

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Sustained plant nutrient a vailability on reclaimed wellsites is critical to the successful restoration of crop productivity. This study evaluated topsoil replacement depth (TRD) (0, 50, 100, and 150% of mandatory TRD) and organic amendment [beef cattle feedlot manure, compost derived from straw-bedded cattle feedlot manure, wheat (Triticum aestivumL.) straw, alfalfa (Medicago sativaL.) hay, and unamended control] effects on nutrient uptake by a wheat crop at three abandoned gas wellsites in south-central Alberta. Grain N uptake increased by 0.055 kg ha-1 for each percent increase in TRD, refl

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Rastogi, Mausmi, Shikhar Verma, Sushant Kumar, et al. "Soil Health and Sustainability in the Age of Organic Amendments: A Review." International Journal of Environment and Climate Change 13, no. 10 (2023): 2088–102. http://dx.doi.org/10.9734/ijecc/2023/v13i102870.

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Organic amendments have emerged as a pivotal component in the trajectory of sustainable agriculture, given their multifaceted contributions to soil health, crop yield, and environmental conservation. This comprehensive review delves into the intricacies of organic amendments, spanning their historical context, types, sources, nutrient profiles, and their interplay with soil and plant health. Special emphasis is laid on the integration of modern technological advancements with traditional amendment practices, exploring the synergistic potential of digital agriculture and precision farming in en

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Imad, Saima, Tahir Rafique, Shagufta A. Shaikh, Sheraz Shafiq, and Munazza Sohail. "Significant Effect Of Amended Soil On Microbial Flora Of Soil And Plant Growth In Comparison With Natural Low Nutritive Soil." JOURNAL OF ADVANCES IN CHEMISTRY 20 (May 7, 2024): 1–7. http://dx.doi.org/10.24297/jac.v20i.9586.

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Soil chemical properties, such as Carbon and Nitrogen levels, are crucial for fulfilling the basic needs of plants. The presence of secondary and tertiary nutrients plays a vital role in constructing soil structure, influencing the survival of normal microbial flora, seeds, and later plant growth. The use of chemical fertilizers addresses nutritional deficiencies, but reports indicate that only 40% is utilized by plants, leading to soil issues like salinity and drought logging. When soil lacks essential nutrients, external amendments are necessary, impacting plant growth and crop yield by enha

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Altland, James E., M. Gabriela Buamscha, and Donald A. Horneck. "Substrate pH Affects Nutrient Availability in Fertilized Douglas Fir Bark Substrates." HortScience 43, no. 7 (2008): 2171–78. http://dx.doi.org/10.21273/hortsci.43.7.2171.

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An experiment was conducted to determine how pH and nutrient availability in douglas fir bark (DFB) substrates respond to lime and sulfur (S) rates. The treatment design was a two-by-nine factorial arrangement with two substrate types and nine pH-altering amendments. The two substrates were 100% DFB or 75 DFB:15 sphagnum peatmoss:10 pumice (by volume). Substrate pH-altering amendments included elemental S amended at either 0.6 or 2.4 kg·m−3; calcium carbonate amended at 0.6, 1.5, and 5.9 kg·m−3; calcium hydroxide amended at 4.4, 8.9, or 23.7 kg·m−3; and a nonamended control. All substrates wer

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kumar, Sonu, and Kshitij Parmar. "Effect of biofertilizers and manures on growth, yield, and quality of cabbage (Brassica oleracea)." BIO Web of Conferences 110 (2024): 04003. http://dx.doi.org/10.1051/bioconf/202411004003.

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“Effect of biofertilizers and manures on growth, yield and quality of cabbage.” Examining, identifying, and summarising the key results and conclusions of a study on the impact of different organic amendments on the development and production of cabbage crops was the aim of the current investigation. Investigating the effects of various organic additions on soil characteristics, plant development, and cabbage production was the goal of the study. These amendments included compost, manure, and biochar. Plant growth, nutrient availability, and soil fertility may all be considerably enhanced by a

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Haque, Ahmad Numery Ashfaqul, Md Kamal Uddin, Muhammad Firdaus Sulaiman, et al. "Assessing the Increase in Soil Moisture Storage Capacity and Nutrient Enhancement of Different Organic Amendments in Paddy Soil." Agriculture 11, no. 1 (2021): 44. http://dx.doi.org/10.3390/agriculture11010044.

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Increasing soil moisture storage capacity is a strategy that can be implemented to minimize the use of water in paddy rice cultivation. Organic materials from different sources have the potential to increase soil moisture storage and nutrient enrichment. An incubation study was conducted to evaluate the incorporation of five selected organic amendments—as follows: rice husk biochar (RHB), oil palm empty fruit bunch biochar (EFBB), compost (COMP), rice husk ash (RHA), and oil palm bunch ash (PBA), with a control (no amendment) on soil moisture storage and some chemical properties of soil. The s

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Haque, Ahmad Numery Ashfaqul, Md Kamal Uddin, Muhammad Firdaus Sulaiman, et al. "Assessing the Increase in Soil Moisture Storage Capacity and Nutrient Enhancement of Different Organic Amendments in Paddy Soil." Agriculture 11, no. 1 (2021): 44. http://dx.doi.org/10.3390/agriculture11010044.

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Increasing soil moisture storage capacity is a strategy that can be implemented to minimize the use of water in paddy rice cultivation. Organic materials from different sources have the potential to increase soil moisture storage and nutrient enrichment. An incubation study was conducted to evaluate the incorporation of five selected organic amendments—as follows: rice husk biochar (RHB), oil palm empty fruit bunch biochar (EFBB), compost (COMP), rice husk ash (RHA), and oil palm bunch ash (PBA), with a control (no amendment) on soil moisture storage and some chemical properties of soil. The s

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Zhang, Jianfeng, Libo Ye, Jingjing Chang, et al. "Straw Soil Conditioner Modulates Key Soil Microbes and Nutrient Dynamics across Different Maize Developmental Stages." Microorganisms 12, no. 2 (2024): 295. http://dx.doi.org/10.3390/microorganisms12020295.

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Soil amendments may enhance crop yield and quality by increasing soil nutrient levels and improving nutrient absorption efficiency, potentially through beneficial microbial interactions. In this work, the effects of amending soil with straw-based carbon substrate (SCS), a novel biochar material, on soil nutrients, soil microbial communities, and maize yield were compared with those of soil amendment with conventional straw. The diversity and abundance of soil bacterial and fungal communities were significantly influenced by both the maize growth period and the treatment used. Regression analys

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Pandya, Lalu Wahyu Ardis, I. Komang Damar Jaya, Bambang Budi Santoso, and Jayaputra. "The Effect of Soil Amendments and Shading on the Yield of Red Chili (Capsicum annum L.) in a Sandy Dryland." Jurnal Penelitian Pendidikan IPA 10, no. 12 (2024): 10477–85. https://doi.org/10.29303/jppipa.v10i12.9818.

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Low nutrient along with intense sunlight levels in sandy drylands, often lead to poor crops yield. This study examined the effects of soil amendments and shading on the yield of red chili plants cultivated in a sandy (70% sand, 15% clay and 15% silt) dryland environment. The experiment was conducted in Gumantar Village, North Lombok Regency from May to September 2024. The C-organic content of the soil was 1.11% with only 0.09% of total nitrogen. The soil amendment treatments included no soil amendment, chicken manure, and seaweed biochar. The shading treatments consisted of two levels: no shad

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Freidenreich, Ariel, Gabriel Pelegrina, Samantha Victores, and Gabriel Maltais-Landry. "Poultry-Based Amendments and Cover Crop Residues Enhance Nutrient Cycling and Soil Health in Greenhouse Conditions." Horticulturae 10, no. 6 (2024): 594. http://dx.doi.org/10.3390/horticulturae10060594.

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Organic producers have few certified organic options to meet crop nitrogen (N) demand. Poultry-based amendments, including manures and processed fertilizers from livestock waste (e.g., feather meal), are commonly used in these systems, but synchronizing nutrient release with plant demand is challenging. Cover crop residues are also used in organic systems and interact with amendments to affect soil health and nutrient cycling. We conducted a greenhouse study to quantify the effects of four cover crop residues (millet, sorghum sudangrass, cowpea, sunn hemp) and three amendments (heat-treated po

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Martín-Lammerding, Diana, José L. Gabriel, Encarnación Zambrana, Inés Santín-Montanyá, and José L. Tenorio. "Organic Amendment vs. Mineral Fertilization under Minimum Tillage: Changes in Soil Nutrients, Soil Organic Matter, Biological Properties and Yield after 10 Years." Agriculture 11, no. 8 (2021): 700. http://dx.doi.org/10.3390/agriculture11080700.

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Conservation tillage is recognized as a sustainable management practice, however its combination with organic residues application still constitutes a challenge in some areas. A field trial was established in a semiarid agro-ecosystem to study the effects of different crop nutrient sources under minimum tillage (MT). Application of organic amendments at the beginning of a five-year crop rotation (ORG treatment) was evaluated and compared to the control plot where wheat was continuously grown with traditional mineral fertilization (MIN treatment). In addition to wheat yield and biomass, several

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Palé S, Mason SC, Taonda SJ-B, Sermé I, and Sohoro A. "Tillage, sole and intercrop systems and soil amendment influence on sorghum grain and stover nutrient levels." GSC Advanced Research and Reviews 10, no. 3 (2022): 151–58. http://dx.doi.org/10.30574/gscarr.2022.10.3.0065.

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Sorghum [Sorghum bicolor (L) Moench) is a major grain crop in Burkina Faso. A three-year experiment was conducted in the Sudanian zone to determine the combined effects of tillage methods (T) and cropping systems with different soil amendments (CS/SA) on plant nutrient concentrations and related this to human and cattle nutrient requirements. The analysis of variance indicated that tillage, soil amendment nor cropping system affected the stover nutrient concentration of grain sorghum. Nitrogen, P, K, S, Ca, Mg, Zn, Mn and Cu concentrations in grain were all influenced by the Y x T interaction

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Palé, S., SC Mason, SJ-B. Taonda, I. Sermé, and A. Sohoro. "Tillage, sole and intercrop systems and soil amendment influence on sorghum grain and stover nutrient levels." GSC Advanced Research and Reviews 10, no. 3 (2022): 151–58. https://doi.org/10.5281/zenodo.6401356.

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Sorghum [<em>Sorghum bicolor</em> (L) Moench) is a major grain crop in Burkina Faso. A three-year experiment was conducted in the Sudanian zone to determine the combined effects of tillage methods (T) and cropping systems with different soil amendments (CS/SA) on plant nutrient concentrations and related this to human and cattle nutrient requirements. The analysis of variance indicated that tillage, soil amendment nor cropping system affected the stover nutrient concentration of grain sorghum. Nitrogen, P, K, S, Ca, Mg, Zn, Mn and Cu concentrations in grain were all influenced by the Y x

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Omokaro, Godspower Oke, Itohanosa Omolara Osarhiemen, Vivian Idama, et al. "The Role of Organic Amendments and Their Impact on Soil Restoration: A Review." Asian Journal of Environment & Ecology 23, no. 11 (2024): 41–52. http://dx.doi.org/10.9734/ajee/2024/v23i11620.

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Soil organic matter (SOM) plays a pivotal role in maintaining soil health by enhancing its physical, chemical, and biological properties. It improves soil structure, water retention, nutrient availability, and microbial activity, contributing significantly to sustainable agriculture. Organic amendments, including animal manure, compost, biosolids, crop residues, and various organic by-products, are widely used to restore degraded soils by increasing SOM content. These amendments not only supply essential nutrients but also promote biological aggregation, suppress soil-borne pathogens, and impr

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Marmier, Vincent, Jacynthe Dessureault-Rompré, Emmanuel Frossard, and Jean Caron. "Impact of Plant-Based Amendments on Water-Soluble Nitrogen Release Dynamics in Cultivated Peatlands." Nitrogen 3, no. 3 (2022): 426–43. http://dx.doi.org/10.3390/nitrogen3030028.

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Drained cultivated peatlands have been an essential agricultural resource for many years. To slow and reduce the degradation of these soils, which increases with drainage, the use of plant-based amendments (straw, wood chips, and biochar) has been proposed. Literature on the effects of such amendments in cultivated peatlands is scarce, and questions have been raised regarding the impact of this practice on nutrient cycling, particularly nitrogen (N) dynamics. By means of a six-month incubation experiment, this study assessed the effects of four plant-based amendments (biochar, a forest mix, wi

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