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Journal articles on the topic 'Tropical soil fertility'

Author: Grafiati

Published: 4 June 2021

Last updated: 14 February 2022

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1

Bertsch, Floria. "Soil fertility of tropical soils." Soil and Tillage Research 37, no. 2-3 (1996): 208–9. http://dx.doi.org/10.1016/0167-1987(96)85125-7.

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2

Anderson, J. M., and J. S. I. Ingram. "Tropical Soil Biology and Fertility." Soil Science 157, no. 4 (1994): 265. http://dx.doi.org/10.1097/00010694-199404000-00012.

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3

CARDOSO, I., and T. KUYPER. "Mycorrhizas and tropical soil fertility." Agriculture, Ecosystems & Environment 116, no. 1-2 (2006): 72–84. http://dx.doi.org/10.1016/j.agee.2006.03.011.

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4

&NA;. "The Biological Management of Tropical Soil Fertility." Soil Science 160, no. 3 (1995): 232–34. http://dx.doi.org/10.1097/00010694-199509000-00009.

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5

Hellums, Debbie T. "The biological management of tropical soil fertility." Agricultural Systems 51, no. 4 (1996): 491–93. http://dx.doi.org/10.1016/0308-521x(96)81486-7.

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6

Gliessman, Stephen R. "The biological management of tropical soil fertility." Agriculture, Ecosystems & Environment 57, no. 2-3 (1996): 213–15. http://dx.doi.org/10.1016/0167-8809(96)88953-5.

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7

Rondina, Artur Berbel Lirio, Luis Eduardo Azevedo Marques Lescano, Ricardo de Almeida Alves, Enio Massao Matsuura, Marco Antonio Nogueira, and Waldemar Zangaro. "Arbuscular mycorrhizas increase survival, precocity and flowering of herbaceous and shrubby species of early stages of tropical succession in pot cultivation." Journal of Tropical Ecology 30, no. 6 (2014): 599–614. http://dx.doi.org/10.1017/s0266467414000509.

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Abstract:Arbuscular mycorrhizal fungi (AMF) are an important biotic factor that influences tropical ecological succession and differently affect the woody species belonging to different successional stages. However, little is known about the influence of AMF on growth and reproduction of herbaceous and shrubby species of early phases of tropical succession. Thus, we assessed the effect of AMF on the development of 27 heliophilous herbaceous and shrubby tropical species. Plants were grown in greenhouse, in low- and high-fertility soils, with or without AMF, for 100 d. Most species grown with AM

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8

Ross, Sheila M. "Organic matter in tropical soils: current conditions, concerns and prospects for conservation." Progress in Physical Geography: Earth and Environment 17, no. 3 (1993): 265–305. http://dx.doi.org/10.1177/030913339301700301.

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Soil organic matter (SOM) plays a central role in maintaining tropical soil fertility. Its conservation and maintenance in tropical cultivation systems is imperative if soil degradation is to be halted and cropping made sustainable. Around 22-23% of global carbon is present in tropical ecosystems but only 2-3% of this is present in the soil. Fluxes of CO2 to the atmosphere from tropical soils after deforestation contributes to the greenhouse effect and could represent a 1-4% increase in the overall steady-state annual CO2 release to the atmosphere. The composition of SOM is extremely diverse,

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9

Pinho, Rachel C., Robert P. Miller, and Sonia S. Alfaia. "Agroforestry and the Improvement of Soil Fertility: A View from Amazonia." Applied and Environmental Soil Science 2012 (2012): 1–11. http://dx.doi.org/10.1155/2012/616383.

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This paper discusses the effects of trees on soil fertility, with a focus on agricultural systems in Amazonia. Relevant literature concerning the effects of trees on soil physical and chemical properties in tropical, subtropical, and temperate regions is reviewed, covering both natural ecosystems and agroecosystems. Soil carbon, in the form of organic matter, is considered as an indicator of biological activity as well as in relation to policy issues such as carbon sequestration and climate change. In the case of tropical soils and Amazonia, information on the effects of trees on soils is disc

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10

Nadeau, Martin B., and Thomas P. Sullivan. "Relationships between Plant Biodiversity and Soil Fertility in a Mature Tropical Forest, Costa Rica." International Journal of Forestry Research 2015 (2015): 1–13. http://dx.doi.org/10.1155/2015/732946.

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We aimed to study relationships between plant biodiversity and soil chemical fertility in a mature tropical forest of Costa Rica. Soil samples were collected in nine sampling plots (5 m by 25 m) in order to identify P, K, Ca, Mg, Fe, Zn, Mn, Cu, and Al and total N contents, soil fertility index, CEC, pH, and C/N ratio. Furthermore, species richness, Shannon-Wiener and Simpson’s species diversities, structural richness, and structural diversity were calculated for each plot. Simple linear regression analyses were conducted. Tree species richness was inversely related to concentration levels of

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11

Waring, Bonnie G., Maria G. Gei, Lisa Rosenthal, and Jennifer S. Powers. "Plant–microbe interactions along a gradient of soil fertility in tropical dry forest." Journal of Tropical Ecology 32, no. 4 (2016): 314–23. http://dx.doi.org/10.1017/s0266467416000286.

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Abstract:Theoretical models predict that plant interactions with free-living soil microbes, pathogens and fungal symbionts are regulated by nutrient availability. Working along a steep natural gradient of soil fertility in a Costa Rican tropical dry forest, we examined how soil nutrients affect plant–microbe interactions using two complementary approaches. First, we measured mycorrhizal colonization of roots and soil P availability in 18 permanent plots spanning the soil fertility gradient. We measured root production, root colonization by mycorrhizal fungi, phosphatase activity and Bray P in

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12

Jones, Julia Allen. "Termites, soil fertility and carbon cycling in dry tropical Africa: a hypothesis." Journal of Tropical Ecology 6, no. 3 (1990): 291–305. http://dx.doi.org/10.1017/s0266467400004533.

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ABSTRACTTermites, particularly the mound building, fungus growing Macrotermitinae, reach densities of up to 400 termites m−2in soils of dry tropical Africa. The influence of Macrotermi tinae in increasing certain soil nutrients in mounds compared to adjacent soils has been documented, but the links between litter harvesting by termites, soil fertility, and global C cycling have not been explored. This study reviews the evidence from soil science, ecology and atmos pheric chemistry and generates hypotheses to explain the role of termites in dry tropical eco systems. It is suggested that termite

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13

Van Straaten, Peter. "Farming with rocks and minerals: challenges and opportunities." Anais da Academia Brasileira de Ciências 78, no. 4 (2006): 731–47. http://dx.doi.org/10.1590/s0001-37652006000400009.

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In many parts of the world food security is at risk. One of the biophysical root causes of falling per-capita food production is the declining quality and quantity of soils. To reverse this trend and increase soil fertility soil and plant nutrients have to be replenished. This review provides a literature survey of experiences of using multi-nutrient rock fertilizers for soil fertility enhancement from temperate and tropical environments. Advantages and limitations of the application of rock fertilizers are discussed. Examples are provided from two successful nutrient replenishment projects in

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14

Baillie, I. C., J. M. Anderson, and J. S. I. Ingram. "Tropical Soil Biology and Fertility: A Handbook of Methods." Journal of Ecology 78, no. 2 (1990): 547. http://dx.doi.org/10.2307/2261129.

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15

Jamaluddin. "ASSESSING SOIL FERTILITY STATUS OF REHABILITATED DEGRADED TROPICAL RAINFOREST." American Journal of Environmental Sciences 9, no. 3 (2013): 280–91. http://dx.doi.org/10.3844/ajessp.2013.280.291.

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16

Agboola, Akinola A. "Sustaining growth: Soil fertility management in tropical small holdings." Field Crops Research 42, no. 2-3 (1995): 149–50. http://dx.doi.org/10.1016/0378-4290(95)90045-4.

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17

Paniagua, A., MJ Mazzarino, D. Kass, L. Szott, and C. Fernandez. "Soil-phosphorus fractions under 5 tropical agroecosystems on a volcanic soil." Soil Research 33, no. 2 (1995): 311. http://dx.doi.org/10.1071/sr9950311.

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The organic P pool is usually considered a major source of available P in high P-fixing soils of the tropics. Agricultural management practices which maintain or increase soil organic P(o) contents would, therefore, help maintain soil fertility over time. The effects of organic additions and P fertilization on soil P fractions and yield of maize were examined after a 10 years rotation involving beans and maize on a tropical volcanic soil. Five maize cropping systems were analysed: (1) monoculture, alley cropping with Erythrina poeppigiana, alley cropping with Gliricidia sepium and monoculture

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18

Schroeder, Julia, Ramia Jannoura, René Beuschel, et al. "Carbon use efficiency and microbial functional diversity in a temperate Luvisol and a tropical Nitisol after millet litter and N addition." Biology and Fertility of Soils 56, no. 8 (2020): 1139–50. http://dx.doi.org/10.1007/s00374-020-01487-4.

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Abstract Tropical soils often contain less soil organic C (SOC) and microbial biomass C (MBC) than temperate soils and, thus, exhibit lower soil fertility. The addition of plant residues and N fertilizers can improve soil fertility, which might be reflected by microbial C use efficiency (CUE) and functional diversity. A 42-day incubation study was carried out, adding leaf litter of the C4 plant finger millet (Eleusine coracana Gaertn.) and inorganic 15N fertilizer. The aim was to investigate amendment effects on CUE and functional diversity in a tropical Nitisol and a temperate Luvisol. At day

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19

Bueno, M. L., D. R. Neves, A. T. Oliveira Filho, C. R. Lehn, and J. A. Ratter. "A STUDY IN AN AREA OF TRANSITION BETWEEN SEASONALLY DRY TROPICAL FOREST AND MESOTROPHIC CERRADÃO, IN MATO GROSSO DO SUL, SOUTHWESTERN BRAZIL." Edinburgh Journal of Botany 70, no. 3 (2013): 469–86. http://dx.doi.org/10.1017/s0960428613000164.

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This study describes the tree vegetation and soils occurring in a seasonally dry tropical forest (SDTF) and mesotrophic cerradão transition in southwestern Brazil. All trees ≥ 5 cm diameter were measured in 20 plots of 20 × 25 m, 10 in SDTF, and 10 in mesotrophic cerradão. Ten soil samples of 0−20 cm depth were made per plot and mixed in plot groups to produce two composite samples. A total of 71 species was recorded.Anadenanthera colubrinahad the highest importance values in both formations. Differences in soil fertility were found between SDTFs (eutrophic soils) and mesotrophic cerradão (mes

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20

Matson, Amanda L., Marife D. Corre, Kerstin Langs, and Edzo Veldkamp. "Soil trace gas fluxes along orthogonal precipitation and soil fertility gradients in tropical lowland forests of Panama." Biogeosciences 14, no. 14 (2017): 3509–24. http://dx.doi.org/10.5194/bg-14-3509-2017.

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Abstract. Tropical lowland forest soils are significant sources and sinks of trace gases. In order to model soil trace gas flux for future climate scenarios, it is necessary to be able to predict changes in soil trace gas fluxes along natural gradients of soil fertility and climatic characteristics. We quantified trace gas fluxes in lowland forest soils at five locations in Panama, which encompassed orthogonal precipitation and soil fertility gradients. Soil trace gas fluxes were measured monthly for 1 (NO) or 2 (CO2, CH4, N2O) years (2010–2012) using vented dynamic (for NO only) or static cha

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21

Weisbach, Carina, Holm Tiessen, and Juan J. Jimenez-Osornio. "Soil fertility during shifting cultivation in the tropical Karst soils of Yucatan." Agronomie 22, no. 3 (2002): 253–63. http://dx.doi.org/10.1051/agro:2001008.

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22

Hermansah, Hermansah, Juniarti Juniarti, and Utami Maya Pribadi. "EVALUASI TERHADAP PERUBAHAN STATUS BEBERAPA HARA TANAH SETELAH 10 TAHUN DI BUKIT GAJABUIH PADANG." Jurnal Solum 5, no. 1 (2008): 23. http://dx.doi.org/10.25077/js.5.1.23-42.2008.

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This experiment is about the evaluation of characteristic alteration of soil nutrients after ten years at tropical rain forest Bukit Gajabuih Gunung Gadut Padang. This experiment was conducted from November 2006 - April 2007. This experiment is arranged based on anova design with three treatments which was based on three great groups of land ( oxic-dystroudept (eutriccc, aquic), oxic-dystroudept (xanthic), oxic-typic-dystroudept (xanthic)). The purpose of this experiment was to study the alteration of soil fertility characteristics (K, Ca, Mg, Na, P and C/N) in ten years period (1995-2005) in

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23

Hall, Jefferson S., P. Mark S. Ashton, and Graeme P. Berlyn. "Seedling performance of four sympatric Entandrophragma species (Meliaceae) under simulated fertility and moisture regimes of a Central African rain forest." Journal of Tropical Ecology 19, no. 1 (2003): 55–66. http://dx.doi.org/10.1017/s0266467403003079.

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Relative densities of mahogany species vary across tropical Africa and correspond with changes in soil fertility and moisture status. Seedling growth of four co-occurring African mahoganies (Entandrophragma spp.) was studied in relation to soil nutrient and moisture status in a shade-house experiment. On naturally occurring forest soils, E. cylindricum and E. utile exhibited increased relative growth rate (RGR) and decreased root mass ratio (RMR) with an increase in soil fertility while E. angolense and E. candollei did not. Changes in leaf morphology with fertility did not correspond to chang

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24

Syers, J. K. "Managing soils for long-term productivity." Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences 352, no. 1356 (1997): 1011–21. http://dx.doi.org/10.1098/rstb.1997.0079.

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Meeting the goal of long–term agricultural productivity requires that soil degradation be halted and reversed. Soil fertility decline is a key factor in soil degradation and is probably the major cause of declining crop yields. There is evidence that the contribution of declining soil fertility to soil degradation has been underestimated. Sensitivity to soil degradation is implicit in the assessment of the sustainability of land management practices, with wide recognition of the fact that soils vary in their ability to resist change and recover subsequent to stress. The concept of resilience i

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25

Coventry, RJ, JA Holt, and DF Sinclair. "Nutrient cycling by mound building termites in low fertility soils of semi-arid tropical Australia." Soil Research 26, no. 2 (1988): 375. http://dx.doi.org/10.1071/sr9880375.

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The capacity of three species of mound-building termites, Amitermes vitiosus Hill, Drepanotermes perniger (Froggatt), and Tumulitermes pastinator (Froggatt), to turn over plant nutrients was quantified in a semi-arid tropical woodland near Charters Towers in north-eastern Queensland. Various chemical attributes of the red and yellow earth soils, of low inherent fertility and unmodified by recent termite activity, are compared with those of the mounds of the three termite species and with the underlying, termite-modified soils. The mounds contain 21 Mg ha-l of soil, representing only 1% of the

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26

A., Nweke, I. "Soil Testing A Panacea to Crop Yield and Agricultural Sustainability – A Case for Farmers of South Eastern, Nigeria." Agricultural Science 2, no. 2 (2020): p7. http://dx.doi.org/10.30560/as.v2n2p7.

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Increasing human population is closely related with the increasing demand of food and pressure on available land with the rising demand on fertilizer that has not been sustainable at the farmer’s level. This causes soil fertility decline, nutrient imbalance and low residual effect which are constraint affecting agricultural production in south eastern soils of Nigeria in particular and to large extent in tropical environment. Land available to be used for intensive crop production activities is limited and this demand for adequate soil testing that will x-ray the fertility status of the soil b

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27

Fernández-Moya, Jesús, Alfredo Alvarado, Rafael Mata, et al. "Soil fertility characterisation of teak (Tectona grandis L.f.) plantations in Central America." Soil Research 53, no. 4 (2015): 423. http://dx.doi.org/10.1071/sr14256.

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Teak (Tectona grandis L.f.) is an important species in the worldwide quality tropical hardwood sector, which has gained significance in Central America since the first large plantations were established in the 1980s. The present work is a descriptive study that aims to: (1) analyse and characterise the general soil patterns which may be influencing teak plantations in Central America; (2) assess differences between countries and sub-regions; (3) create a global framework to help contextualise the soil fertility analyses conducted at sub-regional or farm level, and (4) determine the main proble

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28

Heineman, Katherine D., Benjamin L. Turner, and James W. Dalling. "Variation in wood nutrients along a tropical soil fertility gradient." New Phytologist 211, no. 2 (2016): 440–54. http://dx.doi.org/10.1111/nph.13904.

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29

Kayuki, Kaizzi C., and Charles S. Wortmann. "Plant Materials for Soil Fertility Management in Subhumid Tropical Areas." Agronomy Journal 93, no. 4 (2001): 929–35. http://dx.doi.org/10.2134/agronj2001.934929x.

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30

Gilkes, Robert J., and Nattaporn Prakongkep. "How the unique properties of soil kaolin affect the fertility of tropical soils." Applied Clay Science 131 (October 2016): 100–106. http://dx.doi.org/10.1016/j.clay.2016.01.007.

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31

Fontes, Mauricio Paulo Ferreira, and Luís Reynaldo Ferracciú Alleoni. "Electrochemical attributes and availability of nutrients, toxic elements, and heavy metals in tropical soils." Scientia Agricola 63, no. 6 (2006): 589–608. http://dx.doi.org/10.1590/s0103-90162006000600014.

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Electrochemical properties of soils are very important for the understanding of the physico-chemical phenomena which affect soil fertility and the availability of nutrients for plants. This review highlights the electrochemical properties of tropical soils, the behavior and the availability of nutrients, toxic elements and heavy metals in the soil, especially for soils with predominant variable charge minerals. Availability of the elements is related to ionic exchange, solution speciation, and electrostatic and specific adsorptive soil properties. Empirical and surface complexation models are

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32

Lima, Carlos Eduardo Pacheco, Mariana Rodrigues Fontenelle, Luciana Rodrigues Borba Silva, et al. "Short-Term Changes in Fertility Attributes and Soil Organic Matter Caused by the Addition of EM Bokashis in Two Tropical Soils." International Journal of Agronomy 2015 (2015): 1–9. http://dx.doi.org/10.1155/2015/754298.

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The present work aimed to evaluate the behavior of ten fertility attributes of soil organic matter physical fractions and total organic carbon upon addition of three EM Bokashis to a Rhodic Ferralsol (FRr) and a Dystric Cambisol (CMd). An experiment was carried out in greenhouse in which the soils were placed into plastic trays and cultivated with tomato. A completely randomized design was used with four repetitions and factorial scheme of 2 × 3 + 2, consisting of two soils (FRr and CMd), three EM Bokashis (Poultry Manure Bokashi (BPM); CNPH Bokashi (BC); and Cattle Manure Bokashi (BCM)), and

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33

Mpanga, Isaac Kwadwo, Eric Adjei, Harrison Kwame Dapaah, and Kwadwo Gyasi Santo. "Poultry Manure Induced Garden Eggs Yield and Soil Fertility in Tropical and Semi-Arid Sandy-Loam Soils." Nitrogen 2, no. 3 (2021): 321–31. http://dx.doi.org/10.3390/nitrogen2030022.

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Synthetic nitrogen fertilizer use comes with unsustainable financial and environmental costs, making it not attractive to small-scale and organic farmers. Poultry manure (PM) when available is a primary fertilizer source for small-scale and organic farmers but there is still limited research on its effects of specific crops and soil fertility under specific practices. The study investigated PM effects on garden egg in three seasons in Ghana and PM effects soil fertility in sandy-loam soils of Arizona after three years under flood irrigation and no-till. The PM application improved garden egg g

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34

Dörr de Quadros, Patricia, Adam R. Martin, Kateryna Zhalnina, et al. "Lablab Purpureus Influences Soil Fertility and Microbial Diversity in a Tropical Maize-Based No-Tillage System." Soil Systems 3, no. 3 (2019): 50. http://dx.doi.org/10.3390/soilsystems3030050.

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There are multiple mechanisms by which enhanced diversity of plant communities improves soil structure and function. One critical pathway mediating this relationship is through changes to soil prokaryotic communities. Here, nine different cropping systems were studied to evaluate how legume and grass cover crops influence soil fertility and microbial communities in a maize-based no tillage system. The soil’s bacterial and archaeal communities were sequenced (Illumina GAIIx, 12 replicates for treatment) and correlated with eight different soil features. The microbial community composition diffe

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35

Ondo, Jean, Pascale Prudent, Catherine Massiani, Patrick Höhener, and Pierre Renault. "Effects of agricultural practices on properties and metal content in urban garden soils in a tropical metropolitan area." Journal of the Serbian Chemical Society 79, no. 1 (2014): 101–12. http://dx.doi.org/10.2298/jsc130121068o.

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The appearance of agriculture in urban areas improved the healthy diet of people by the consumption of fresh vegetables and fruits. This study assessed the level of fertility, the impact of cropping system and of exploitation time on physicochemical properties and pseudo-total and EDTA-extractable metals contents of urban garden of vegetable soils in Libreville (Gabon). The results indicated a low fertility of cultivated soils. The metal contents in soils were generally different between culture in open field and culture under shelters. Except Al which could be toxic for cultivated vegetables,

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36

DE COSTA, W. A. J. M., and U. R. SANGAKKARA. "Agronomic regeneration of soil fertility in tropical Asian smallholder uplands for sustainable food production." Journal of Agricultural Science 144, no. 2 (2006): 111–33. http://dx.doi.org/10.1017/s002185960500585x.

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Smallholder cropping systems are a vital component in the agricultural sectors of tropical Asia, especially in the developing nations. These systems are important for producing food and providing a livelihood to a major proportion of the populations of Asia. While the rice systems, usually cultivated under puddled conditions are considered stable, the upland or highland units, which provide a range of food, fibre and feed commodities, are generally situated on marginal lands. Low soil fertility, erosion, sub-optimal crop management and subsistence farming conditions characterize these units. H

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37

Hassler, E., M. D. Corre, A. Tjoa, M. Damris, S. R. Utami, and E. Veldkamp. "Soil fertility controls soil–atmosphere carbon dioxide and methane fluxes in a tropical landscape converted from lowland forest to rubber and oil palm plantations." Biogeosciences Discussions 12, no. 12 (2015): 9163–207. http://dx.doi.org/10.5194/bgd-12-9163-2015.

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Abstract. Expansion of palm oil and rubber production, for which global demand is increasing, causes rapid deforestation in Sumatra, Indonesia and is expected to continue in the next decades. Our study aimed to (1) quantify changes in soil CO2 and CH4 fluxes with land-use change, and (2) determine their controlling factors. In Jambi Province, Sumatra, we selected two landscapes on heavily weathered soils that differ mainly in texture: loam and clay Acrisol soils. At each landscape, we investigated the reference land uses: forest and secondary forest with regenerating rubber, and the converted

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38

Gentile, R. M., B. Vanlauwe, and J. Six. "Integrated Soil Fertility Management: Aggregate carbon and nitrogen stabilization in differently textured tropical soils." Soil Biology and Biochemistry 67 (December 2013): 124–32. http://dx.doi.org/10.1016/j.soilbio.2013.08.016.

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39

Pascal Lompo, Désiré Jean, Lambiénou Yé, Abdoudramane Balboné, and Siélé Ibrahima Sori. "Effets combinés du biocharbon et du fumier sur les propriétés physico-chimiques d’un sol ferrugineux tropical sous culture de mil en zone semi-aride du Burkina Faso." Journal of Applied Biosciences 157 (January 31, 2021): 16172–81. http://dx.doi.org/10.35759/jabs.157.3.

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Objectifs : L’une des contraintes majeures des systèmes de production agricole au Burkina Faso demeure la dégradation des sols. La présente étude menée à Kongoussi (Burkina Faso) avait pour objectif de déterminer les effets du Biocharbon utilisé comme amendement sur le sol et les paramètres agronomiques du mil. Méthodologie et résultats : Un dispositif en blocs simple comportant 3 traitements en 5 répétitions a été utilisé. Les traitements comprenaient T0= Fumier + NPK, T1= Biocharbon + Fumier + NPK, T2= Biocharbon + NPK. Les matières fertilisantes ont induit une amélioration des paramètres ch

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40

Folarin, M. T., A. J. Adeyemo, G. O. Elumalero, et al. "Assessment of Agricultural Land Use Systems for Soil Fertility Maintenance." BADEGGI JOURNAL OF AGRICULTURAL RESEARCH AND ENVIRONMENT 3, no. 2 (2021): 65–71. http://dx.doi.org/10.35849/bjare202102013.

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Land is the most important endowment in nature, providing livelihood in both the agricultural and non-agricultural sectors. However, most areas of land previously developed from tropical rainforest have been degraded as a result of land misuse with nutrient mining and soil degradation presently considered as problems in arable farms. Hence, the extent to which land for crop production influences soil properties need to be studied to greater details due to variations in soils by location. The objective of the study is to investigate the effect of agricultural land use systems on the soil physic

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41

Avendaño-Yáñez, María de la Luz, Silvia López-Ortiz, Yareni Perroni, and Sergio Pérez-Elizalde. "Leguminous trees from tropical dry forest generate fertility islands in pastures." Arid Land Research and Management 32, no. 1 (2017): 57–70. http://dx.doi.org/10.1080/15324982.2017.1377782.

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42

Yuan, Jin-Hua, and Ren-Kou Xu. "Effects of biochars generated from crop residues on chemical properties of acid soils from tropical and subtropical China." Soil Research 50, no. 7 (2012): 570. http://dx.doi.org/10.1071/sr12118.

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The chemical compositions of biochars from ten crop residues generated at 350°C and their effects on chemical properties of acid soils from tropical and subtropical China were investigated. There was greater alkalinity and contents of base cations in the biochars from legume residues than from non-legume residues. Carbonates and organic anions of carboxyl and phenolic groups were the main forms of alkalis in the biochars, and their relative contributions to biochar alkalinity varied with crop residues. Incubation experiments indicated that biochar incorporation increased soil pH and soil excha

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Azlan Halmi, Muhammad, Siti Hasenan, Khanom Simarani, and Rosazlin Abdullah. "Linking Soil Microbial Properties with Plant Performance in Acidic Tropical Soil Amended with Biochar." Agronomy 8, no. 11 (2018): 255. http://dx.doi.org/10.3390/agronomy8110255.

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Soil microbial properties are frequently used as indicators of soil fertility. However, the linkage of these properties with crop biomass is poorly documented especially in biochar amended soil with high carbon:nitrogen (C:N). A short-term field trial was conducted to observe the growth response of maize to biochar treatment in a highly weathered Ultisol of humid tropics and to observe the possible linkage of the measured microbial properties with maize biomass. Soil microbial biomass (carbon (C), nitrogen (N), phosphorus (P)), enzyme activity (β-glucosidase, urease, phosphodiesterase) and gen

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Dada, B. F., and B. S. Ewulo. "Manure and lime amendment effects on soil pH, fertility, microbe population and respiration." South Asian Journal of Experimental Biology 1, no. 4 (2011): 172–77. http://dx.doi.org/10.38150/sajeb.1(4).p172-177.

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Soils of the tropical and subtropical climate are intensively weathered, acidicand have low native fertility. In order to determine the effect of lime and itscombination with either poultry manure or Tithonia diversifolia on tropicalrainforest soil, top soils were collected from the Teaching and Research Farmof the Federal University of Technology, Akure (7 Ã¢â‚¬Â5’ N, long 5Ã¢â‚¬Â10’ E) in SouthWest, Nigeria and incubated. Five treatments and a control were establishedat Soil:Lime:Manure ratio of 10:1:1, the treatments were; Soil+Lime (S+L),Soil+Lime+ Tithonia diversifolia (S+L+T), Soil+Lim

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Congdon, Robert A., and John L. Herbohn. "Ecosystem dynamics of disturbed and undisturbed sites in north Queensland wet tropical rain forest. I. Floristic composition, climate and soil chemistry." Journal of Tropical Ecology 9, no. 3 (1993): 349–63. http://dx.doi.org/10.1017/s0266467400007409.

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ABSTRACTThis paper introduces studies of nutrient cycling in disturbed and undisturbed rain forest plots in the upper catchment of Birthday Creek, near Paluma, North Queensland. The catchment is underlain by granite and has soils of comparatively low fertility. Differences between unlogged plots and plots disturbed 25 years previously by selective logging are still apparent. Disturbed plots have soils with higher bulk densities and pH, lower CEC, kjeldahl nitrogen and available phosphorus concentrations, and changed species composition. The data suggest that recovery from selective logging is

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Karim, Md Rezaul, Md Abdul Halim, Nigel V. Gale, and Sean C. Thomas. "Biochar Effects on Soil Physiochemical Properties in Degraded Managed Ecosystems in Northeastern Bangladesh." Soil Systems 4, no. 4 (2020): 69. http://dx.doi.org/10.3390/soilsystems4040069.

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A body of emerging research shows the promise of charcoal soil amendments (“biochars”) in restoring fertility in degraded agricultural and forest soils. “Sustainable biochars” derived from locally produced waste biomass and produced near the application site are of particular interest. We tested the effects of surface applications of wood-derived biochars (applied at 7.5 t·ha−1) on soil physiochemical properties (N, P, K, pH, soil moisture content, organic matter content, and bulk density) in three land-use types: agriculture (Camellia sinensis monoculture), agroforestry (C. sinensis with shad

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Hassler, E., M. D. Corre, A. Tjoa, M. Damris, S. R. Utami, and E. Veldkamp. "Soil fertility controls soil–atmosphere carbon dioxide and methane fluxes in a tropical landscape converted from lowland forest to rubber and oil palm plantations." Biogeosciences 12, no. 19 (2015): 5831–52. http://dx.doi.org/10.5194/bg-12-5831-2015.

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Abstract. Expansion of palm oil and rubber production, for which global demand is increasing, causes rapid deforestation in Sumatra, Indonesia, and is expected to continue in the next decades. Our study aimed to (1) quantify changes in soil CO2 and CH4 fluxes with land-use change and (2) determine their controlling factors. In Jambi Province, Sumatra, we selected two landscapes on heavily weathered soils that differ mainly in texture: loam and clay Acrisol soils. In each landscape, we investigated the reference land-use types (forest and secondary forest with regenerating rubber) and the conve

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Moreira, A., G. J. Sfredo, L. A. C. Moraes, and N. K. Fageria. "Lime and Cattle Manure in Soil Fertility and Soybean Grain Yield Cultivated in Tropical Soil." Communications in Soil Science and Plant Analysis 46, no. 9 (2015): 1157–69. http://dx.doi.org/10.1080/00103624.2015.1033542.

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Rangel Mendoza, Jorge Alberto, and Amanda Silva Parra. "Agroforestry systems of Theobroma cacao L. affects soil and leaf litter quality." Colombia forestal 23, no. 2 (2020): 75–88. http://dx.doi.org/10.14483/2256201x.16123.

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The objective of this study was to determine the effect of Agroforestry systems (AFS) and non-AFS of Theobroma cacao L. on soil and leaf litter quality, during rainy (RS) and dry (DS) seasons in a tropical zone. The treatments were T. cacao crop (CC), Yopo forestry (Anadenanthera peregrina L.) Speg. (YF), Acacia forestry (Acacia mangium Willd.) (AF), Agroforestry system of T. cacao + Yopo forestry (CYF), Agroforestry system of T. cacao + Acacia forestry (CAF), arranged in random design in the field. Leaf litter production was highest in CC (0.79 and 0.73 ton.ha-1) during RS and DS, respectivel

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Michael, Patrick S. "Soil fertility status and sweet potato cultivation in composted mounds under humid lowland tropical climatic conditions." SAINS TANAH - Journal of Soil Science and Agroclimatology 17, no. 2 (2020): 144. http://dx.doi.org/10.20961/stjssa.v17i2.43426.

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<p>The importance of organic matter addition in composted mounds in terms of nutrients status, nutrient uptake, and environmental impact under different climatic conditions need to be studied. This study was conducted to assess the importance of Cogon grass materials addition as organic matter in composted mounds used for sweet potato cultivation on selected sandy loam soil properties under humid lowland, tropical climatic conditions. A replicated trial with four treatments with or without organic matter or sweet potato plants was set in a completely randomized design. After 6 months, so

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