在北方石灰性褐土类土壤 ,石灰性水稻土上 ,土壤中锌素含量日益成为制约作物产量的要素 ,几年来的试验证明 ,土壤施用锌肥能显著提高玉米、水稻、小麦等作物的产量 ,同时也改善了作物的籽粒品质。一、锌肥的增产作用和对品质的影响三年间 ,我们在小麦、玉米、水稻作物上作试验 In northern calcareous cinnamon soil and calcareous paddy soil, zinc content in the soil is becoming an increasingly limiting factor in crop yield. Experiments over the past few years show that soil application of zinc fertilizer can significantly increase the yield of crops such as corn, rice and wheat , While also improving the crop’s grain quality. First, the role of zinc fertilizer and the impact on the quality of three years, we test wheat, corn, rice crops