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在切尔斯克砂地葡萄园,春季将硝酸铵与过磷酸钙和钾盐一起施入深30—40cm的土壤中,能促进葡萄的生长、增加产量并提高了葡萄的品质。在一公顷葡萄圆的土壤中施入N·P·K各90—12b公斤(按1:1:1的比例)获得最好的效果。
In the Chileskirch vineyard, applying ammonium nitrate together with superphosphate and potassium salts in the soil to a depth of 30-40 cm in the spring can promote the growth of the grapes, increase the yield and improve the quality of the grapes. The best effect is achieved by applying N-P · K 90-12b kg (1: 1: 1 ratio) to one hectare of grapevine round soil.