Results 61 to 70 of about 65,614 (212)
F1000Research, 2020 Nitrogen (N) is a crop macronutrient of major importance, which affects both plant growth and yield. In this paper we discuss the humus content (%) and various soluble N forms (NO3-, total N, nitrate-N, ammonium-N, and organic nitrogen) available in ...
Ida Kincses +9 more
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Guide to the nature and methods of analysis of the clay fraction of tephras from the South Auckland region, New Zealand. [PDF]
, 1983 The manual outlines some of the more common laboratory procedures available for qualitatively and quantitatively analysing the composition of the tephric clays, many of which are difficult to determine because of their short range order or 'amorphous ...
Lowe, David J., Nelson, Campbell S.
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Comparative analysis of humus balance under grain crops and perennial bean cultures of a farmland
Новые технологии, 2019 The reduction of humus reserves, as one of the components of soil fertility, is influenced by the shortage of soil biomass on lands in agricultural use. The accumulation of humus reserves in the agrolandscape is a multifactorial process.
A. D. Gumbarov, E. V. Dolobeshkin
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Modeling dissolved organic matter mobilization and immobilization in the root zone: Effect of soil treatment on denitrification and N leaching [PDF]
, 2005 This report summarizes the technical description of a code/model concept simulating mobilization and immobilization of dissolved organic matter (DOM) in the Daisy model.
Gjettermann, Birgitte
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Съдържание на хумус в почвите от Силистренска област
Почвознание, агрохимия и екология, 2011 The summarized data about the humus content and humus horizons depth in soils located in the Silistra district are shown in the present paper. The major data from soil map in а scale 1: 10 000 аrе also use to divide soils into soil agrogroups аnd ...
Венета Кръстева +2 more
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Dynamics of humus in field crop rotations on drained lands
Аграрная наука Евро-Северо-ВостокаThe purpose of the research is to study the influence of different types of field crop rotation, fertilizers, drainage and hydrothermal conditions on the dynamics of humus in reclaimed soil.
Yu. I. Mitrofanov, N. K. Pervushina
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International Journal of Bio-Resource and Stress Management, 2023 An experiment was conducted in the experimental farm at School of Agricultural Sciences and Rural Development, Medziphema, Nagaland to evaluate the impact of different nutrient management practices on content and quality of soil humus in a newly ...
Manoj Dutta, B. S. Chauhan
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Бюллетень Почвенного института им. В.В. Докучаева, 2012 The group composition of humus in microaggregates (colloidal, pre-colloidal, fine, medium and coarse silt) of the soddy-podzolic medium-loamy soil has been first studied in three five-course grain-tilled crop rotations in the long-term experiment of V.V.
Yu. V. Kuvaeva
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Stability of salts and complexes of humic acids [PDF]
, 2009 Základem práce je studium vlivu přítomnosti kovů inkorporovaných do struktury huminových látek při tepelné zátěži za přítomnosti vzdušného kyslíku.
Nováčková, Kristýna
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Assessment of the humus state of hortically suitable soils Northwest Caucasus [PDF]
E3S Web of ConferencesThe laying of intensive industrial gardens in Russia is carried out according to special projects, which are based on complex works that begin the selection and assessment of the soil suitability of land plots.
Osipov Alexander +3 more
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