dry fertilizer Articles
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NPK fertilizer granulation for slow-release granular fertilizer
Slow-release fertilizers mainly apply modern plant nutrition and fertilization theory, and take into account the law of crop nutrition demand, adopt some control mechanism technology to delay the release mode of fertilizer in soil, so that nutrient release mode and crop nutrient absorption are coordinated or synchronized. NPK fertilizer granulator machine makes powdery fertilizer into ...
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Lettuce cationic nutrition and yield, and soil chemical characteristics as affected by vanadium application to leaves or soils
Lettuce plants (Lactuca sativa, L., cv. "trocadero") were grown in pots filled with an Alfisol Udalf or an Andisol Udand soil, under greenhouse conditions. Treatments consisted of adding vanadium to soils (0, 100, 250, 500 and 10001mg1kg1 or as foliar sprays (0, 10, 25, 50, and 1001mg111. Soil chemical characteristics, the cationic nutrition of lettuce and their yields were assessed. No ...
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