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Potassium Nutrition for Small Grains Grown on Chestnut Soils

机译:栗土上小粒谷物的钾营养

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Stavropol Krai is one of the largest grain-growing regions in Russia. However, about 50% of its ce-real grain output comes from areas that suffer from season-to-season . uctuations in yield due to moisture defi cit. Soil and climatic conditions in these drier areas do allow for fairly high cereal yields if adverse weather conditions are avoided. However, insuffi cient precipita-tion, non-uniform distribution of rainfall between growth stages of cereals, soil drought, and hot, dry winds cause large reductions in yield. Since optimal mineral nutrition improves water use effi ciency in crops (Nikitishen and Lichko, 2007), balanced fertilization can be an effective method to increase yield and improve quality of grains in these dry areas
机译:斯塔夫罗波尔边疆区是俄罗斯最大的粮食种植区之一。但是,其谷物实粮产量的约50%来自各个季节的受灾地区。水分缺乏导致产量增加。如果避免不利的天气条件,这些干燥地区的土壤和气候条件的确可以使谷物的单产很高。但是,由于降水不足,谷物生长期之间降雨的不均匀分布,土壤干旱以及干热风的影响,导致单产大大降低。由于最佳的矿物质营养可以提高农作物的水分利用效率(Nikitishen和Lichko,2007),平衡施肥可以成为提高干旱地区谷物产量和质量的有效方法。

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