Relevant bibliographies by topics / Mehlich soil test

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Academic literature on the topic 'Mehlich soil test'

Author: Grafiati
Published: 2 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Mehlich soil test"

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Bolland, M. D. A., D. G. Allen, and K. S. Walton. "Soil testing for phosphorus: comparing the Mehlich 3 and Colwell procedures for soils of south-western Australia." Soil Research 41, no. 6 (2003): 1185. http://dx.doi.org/10.1071/sr02153.

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Soil samples were collected from 14 long-term field experiments in south-western Australia to which several amounts of superphosphate or phosphate rock had been applied in a previous year. The samples were analysed for phosphorus (P) by the Colwell sodium bicarbonate procedure, presently used in Western Australia, and the Mehlich 3 procedure, being assessed as a new multi-element test for the region. For the Mehlich procedure, the concentration of total and inorganic P in the extract solution was measured. The soil test values were related to yields of crops and pasture measured later on in th
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Hochmuth, George, Ed Hanlon, Bob Hochmuth, Jerry Kidder, and Dale Hensel. "CROP CORRELATION AND CALIBRATION OF MEHLICH-1 SOIL TEST EXTRACTANT FOR VEGETABLES." HortScience 28, no. 5 (1993): 518e—518. http://dx.doi.org/10.21273/hortsci.28.5.518e.

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The Mehlich-l (double-acid) soil test extractant is used widely on sandy soils in the southeastern United States. Research with eight major vegetables in Florida showed that the Mehlich-1 solution for phosphorus was correlated with crop yield and quality responses. Soils with a Mehlich-1 index for phosphorus greater than 30 mg·kg-1 required no phosphorus fertilization. Crop responses were not highly correlated with Mehlich-1 potassium index and it was difficult to predict crop response to potassium fertilization. The lack of predictive capability of the Mehlich-1 extractant for potassium raise
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Hamel, Stephanie C., and Joseph R. Heckman. "Predicting Need for Phosphorus Fertilizer by Soil Testing During Seeding of Cool Season Grasses." HortScience 41, no. 7 (2006): 1690–97. http://dx.doi.org/10.21273/hortsci.41.7.1690.

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Recent changes in soil testing methodology, the important role of P fertilization in early establishment and soil coverage, and new restrictions on P applications to turf suggest a need for soil test calibration research on Kentucky bluegrass (Poa pratensis L.), tall fescue (Festuca arundinacea Schreb), and perennial ryegrass (Lolium perenne L.). Greenhouse and field studies were conducted for 42 days to examine the relationship between soil test P levels and P needs for rapid grass establishment using 23 NJ soils with a Mehlich-3 extractable P ranging from 6 to 1238 mg·kg–1. Soil tests (Mehli
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Ige, D. V., O. O. Akinremi, D. Flaten, and M. A. Kashem. "Comparison of soil test phosphorus methods in neutral to calcareous Manitoba soils." Canadian Journal of Soil Science 86, no. 4 (2006): 691–99. http://dx.doi.org/10.4141/s05-045.

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Increasing concern for the amount of P entering lakes in Manitoba may lead to regulation of P concentration in agricultural soils. A possible means for this regulation is the use of soil test P. This may require a means of comparing soil test P analyses as various laboratories in Manitoba employ different methods of soil test P determination. Thus, the objectives of this study were to (i) compare the methods of P determination in Manitoba soils, and (ii) develop equations for converting different soil test P methods from one to another. One hundred and fifteen archived surface soil samples rep
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Kumar, Manoj. "Evaluation of phosphorus availability indices in acid Alfisols." Annals of Plant and Soil Research 23, no. 4 (2021): 390–96. http://dx.doi.org/10.47815/apsr.2021.10089.

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To identify the most appropriate method of available phosphorus extraction from acid Alfisols of north east India, greenhouse pot experiments were conducted with two acid Alfisols (non-limed and limed), amended with six doses of P fertilization. Maize (Zea mays), as the test crop, was grown for 45 days, and the plant response was regressed against soil P availability estimated using 07 chemical extractants viz. Bray-1, Bray-2, Mehlich-1, Mehlich-3, Olsen’s reagent, water, and CaCl2. Suitability of extractants was adjudged based on their predictive ability (R2 values). Bray-1, Bray-2 and Mehlic
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Gabriela, Mühlbachová, Čermák Pavel, Vavera Radek, et al. "Boron availability and uptake under increasing phosphorus rates in a pot experiment." Plant, Soil and Environment 63, No. 11 (2017): 483–90. http://dx.doi.org/10.17221/480/2017-pse.

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The boron (B) availability in soils, B uptake and possible B interactions with phosphorus (P) were studied in a pot experiment with increasing P rates. Three soil types of different characteristics were used for the experiment that lasted two years. The two soil tests were used in the experiment – Mehlich 3 and NH<sub>4</sub>-acetate. Significant positive correlations were found between barley dry matter yield, B content in plants and B uptake under increasing P treatments (P ≤ 0.001). The significant relationship for B content (P ≤ 0.001) was obtained between the used soil tests f
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7

Carefoot, J. P., and J. K. Whalen. "Phosphorus concentrations in subsurface water as influenced by cropping systems and fertilizer sources." Canadian Journal of Soil Science 83, no. 2 (2003): 203–12. http://dx.doi.org/10.4141/s02-027.

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Over-fertilization of agricultural soils with P has been linked to water pollution, and it is becoming apparent that subsurface P losses can be substantial. The silty-loam Gleysol chosen for this study contained 146 mg Mehlich-3 P kg-1, which exceeds the critical limit (66 mg Mehlich-3 P kg-1) for Québec. Equal quantities of fertilizer P (45 kg P ha-1) were applied from inorganic (triple superphosphate) and organic (composted cattle manure) sources to corn-corn and corn-soybean rotations. We evaluated crop production, the Mehlich-3 P and degree of soil P saturation levels, and the P concentrat
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8

Matula, J. "Differences in available phosphorus evaluated by soil tests in relation to detection by colorimetric and ICP-AES techniques." Plant, Soil and Environment 56, No. 6 (2010): 297–304. http://dx.doi.org/10.17221/23/2010-pse.

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Differences in the evaluation of soil phosphorus status by three soil tests (Mehlich 3, extraction with NH<sub>4</sub>-acetate and water extraction) were tested on 63 agricultural soils with different agrochemical characteristics from the territory of the Czech Republic. Differences between the colorimetric determination of phosphorus and ICP technique were studied. The median of the values of phosphorus supply in soils determined by soil tests was considerably different. Compared to the colorimetric detection of water extraction of soils the median of the NH<sub>4</sub&gt
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9

Angelova, L., N. Genova, S. Stoyanova, et al. "Comparative study of soil test methods for determination of plant available potassium in Bulgarian arable soils." Аналитика и контроль 25, no. 3 (2021): 182–92. http://dx.doi.org/10.15826/analitika.2021.25.3.001.

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This comparative study was aimed at estimating analytical behavior of methods for determination of plant available potassium applied to Bulgarian arable soils and to reveal the relationship between the amount of extractable K. Twenty-four samples from two traditional agricultural regions in Bulgaria were studied. Soil potassium was extracted by NH4OAc/HOAc pH 4.5 (AA), diluted double acid (Mehlich 1), CaCl2, BaCl2 and a modified acetate/lactate method (ALM) and determined by Flame AES. The factors influencing the methods accuracy were identified and uncertainty was estimated. The expanded unce
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Song, Chunyu, Xingyi Zhang, Xiaobing Liu, and Yuan Chen. "Effect of soil temperature and moisture on soil test P with different extractants." Canadian Journal of Soil Science 92, no. 3 (2012): 537–42. http://dx.doi.org/10.4141/cjss2010-051.

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Song, C., Zhang, X., Liu, X. and Chen, Y. 2012. Effect of soil temperature and moisture on soil test P with different extractants. Can. J. Soil Sci. 92: 537–542. Temperature and moisture are important factors affecting adsorption, transformation and the availability of soil phosphorus (P) to plants. The different temperatures and moisture contents at which soil is sampled might affect the results of soil test P (STP). In order to evaluate the effect of the temperature and moisture, as well as the fertilization level, on the results of soil test P, an incubation study involving three soil tempe
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Dissertations / Theses on the topic "Mehlich soil test"

1

Minca, Kristen Kathleen. "Using Soil Nutrient Tests and 1M HNO3 to Predict Total and Bioaccessible Pb in Urban Soils." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1325176659.

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Hunsaker, Heather Mae. "Predicting Maize Yield, Nutrient Concentration and Uptake in P and K Fertilized Soils: Pressurized Hot Water and Other Alternatives to Mehlich I Extraction in Guatemala Soils." BYU ScholarsArchive, 2006. https://scholarsarchive.byu.edu/etd/941.

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The inaccessibility and cost of soil testing reduce effectiveness of fertilizer use on small-scale subsistence farms, and inadequate funding promotes adoption of soil tests in developing countries with minimal validation. For example, Mehlich-I extraction of phosphorus (P) currently used extensively in Guatemala may not be suitable for its broad range of soils. At least four alternatives are available but are relatively untested [Bray 1, Mehlich III, Olsen and pressurized hot water (PHW)]. Pressurized hot water is relatively simple and inexpensive, but is not yet tested against other extractio
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