苏联农业科学硕士西甫采夫报道了他在北高加索黑钙土条件下用微量元素硼、锰、(?)和锌作玉米种子播前浸种的试验结果。这些微量元素对玉米的产量和品质都发生了良好的影响,尤其硼和锌的效果最好.在用微量元素浸种时,双果穗的植株数目都比 The Soviet Union agricultural science master 西普 采夫夫 reported that he was in the North Caucasus Chernobal conditions with trace elements boron, manganese, (?) And zinc as the corn seed sowing before the test results. These trace elements have a good effect on the yield and quality of corn, especially the best effect of boron and zinc.When soaked with trace elements, double the number of ears than the number of plants than