Nutrients introduction with the straw of cereals and legumes in sodpodzolic sandy loam soil depending on the fertilization system
2014
Pekhota,A.P.
anglais. In course of the research there was studied the influence of fertilizer system on nutrients income with straw of legumes and grain legumes in sod-podzolic sandy loam soil. The research was realized in the conditions of the Republic of Belarus. As a result of realized research there were revealed that depending on the level of mineral nutrition with straw of winter crops in sod-podzolic sandy loam soil intake 25.2-49.7 kg/ha of organic matter, 9-36 kg/ha of nitrogen, 8-20 kg/ha of phosphorus and 51-102 kg/ha of potassium, straw legumes – 15.8-of 22.4 kg/ha of organic matter, 12-26 kg/ha of nitrogen, 8-13 kg/ha of phosphorus and 34-52 kg/ha of potassium. Return of the nutrients to the soil with 10 centners of straw of spring crops was as follows: nitrogen – 4.5-5.3 kg/ha, phosphorus - 4.5-5.2, potassium – 13.2-16.1 kg/ha, 10 centners of straw legumes - nitrogen - 6.9-8.2 kg/ha, phosphorus - 4.4 - 4.6, potassium – 16.6-18.0 kg/ha, 10 centners of straw of winter grain crops - nitrogen – 4.1-4.9 kg/ha, phosphorus - 2.6-3.1, potassium – 15.3-17.7 kg/ha.
Afficher plus [+] Moins [-]russe. Установлено, что в зависимости от уровня минерального питания, с соломой озимых зерновых культур в дерново-подзолистую супесчаную почву поступает 25,2–49,7 ц/га органического вещества, азота – 9–36 кг/га, фосфора – 8–20 кг/га, калия – 51–102 кг/га, с соломой зернобобовых культур – 15,8–22,4 ц/га органического вещества, 12–26 кг/га – азота, 8–13 кг/га – фосфора, 34–52 кг/га – калия.
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