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锌肥是植物生长发育及生理活动不可缺少的微量营养元素之一。为了探讨锌肥对玉米的增产效果,我们从1981-1983年在全县十四个人民公社(乡),四种土壤上布置了玉米施用锌肥肥效普查小区田间试验和大面积示范、推广。肯定了锌肥在碳酸盐草甸土、黑土上施用,对玉米增产效果显著,平均增产13.4-33.6％。掌握了在不同土壤类型上玉米施用锌肥的方法、用量及效果。为我县在碳酸盐草甸土、黑土上100多万亩玉米推广使用锌肥提供了科学依据。
Zinc fertilizer is one of the essential micronutrients for plant growth and physiological activities. In order to explore the effect of zinc fertilizer on yield increase of maize, from 1981 to 1983, 14 fields of communes (townships) and four kinds of soil were planted with field experiments and large-area demonstration and popularization of maize using zinc fertilizer efficiency survey plot. It is affirmed that zinc fertilizer is applied on carbonate meadow soil and black soil, and the yield increase effect on corn is remarkable with an average increase of 13.4-33.6%. Mastered the application of corn in different soil types of zinc fertilizer methods, dosage and effect. For my county in carbonate meadow soil, black soil more than 100 million mu of corn to promote the use of zinc provides a scientific basis.