Results 31 to 40 of about 142 (100)
Change of a phosphatic condition of soils at application of high doses of organic fertilizers
It was established, that entering of high doses of manures into various types of soils leads to increase of maintenance and mobility of phosphates in soils. The effect of influence of high doses of manures on mobility of phosphates in soils is defined by
V A Sedych +4 more
doaj
Проведенными исследованиями выявлены достоверные разнонаправленные изменения фитосанитарного состояния посевов озимой ржи под влиянием предпосевного внесения полного минерального удобрения на Северо-Западе РФ. Они являлись следствием выраженного влияния
А.М. Шпанев, +1 more
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From the time mineral fertilizers were used single superphosphate have been the main source of phosphate in plant nutrition. This fertilizer contains nor only 19-21% of P2O5 but also sulfate in form of gypsum and small amount of sulfuric acid.
V D Nagornyy, - Nourouson Arimalala R
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The paper presents the studies accomplished in a field experiment (2011-2013) regarding the influence of various tillage systems and fertilization methods on the productivity and economic efficiency of growing sugar beet in short-term rotation.
ЧЕРНЕЛИВСКАЯ Е. А. +2 more
doaj
Введение. В условиях зоны рискованного земледелия Центрального Предкавказья дефицит доступных форм питательных элементов в черноземах выщелоченных является лимитирующим фактором продуктивности подсолнечника.
М.К.Р. Аль-Аттафи +2 more
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The yield of spring barley in the brown soils of the Nizhnee Povolzh'e region
The results of small (20-22 cm) and relatively deep main processing of the soil (27-30 cm) and variable rate application depth of arable horizon of doses of mineral nutrition (N and P2O5) on yield of spring barley.
A V Shuravilin +3 more
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Efficiency of cultivation of lupine grass mixtures in the condi-tions of radio-active contamination
As a result of three-year experiments, carried out on the radio-active contaminated sod-podzol sandy soil, the influence of different seeding rates of lupine grass mixtures on two backgrounds of potash fertilizer in doses K180 and K120 on the yields of ...
Y I Ivanov
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In terms of radioactive contamination of the environment has developed comprehensive techniques (agro and agro-chemical) for the rehabilitation of natural lands Root systems producing fodder appropriate sanitary standards.
V F Shopovalov +3 more
doaj +1 more source
The effect of biological and mineral fertilizers on productivity of spring wheat
Both the increase of the crop productivity and the decrease of net costs of its production require necessity to determine and assess the efficiency of each technological method, including a use of expensive mineral fertilizers.
M. F. Amirov +2 more
doaj +2 more sources
[Lodging in wheat: genetic and environmental factors and ways of overcoming]. [PDF]
Ageeva EV, Leonova IN, Likhenko IE.
europepmc +1 more source

