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玉米化肥深施技术应用效果一、推广应用化肥深施技术的重要意义大力推广化肥深施技术是农业部１９９４年４月提出的我国粮食增产农民增收的一项新措施。农业部计划用５年的时间新增化肥深施面积８．２亿亩，使全国的化肥深施面积达到１０亿亩，并使氮素化肥的平均利用率从...
Application effect of deep application of chemical fertilizers in maize I. Significance of promoting the application of deep fertilizers technology Vigorously promoting deep application of fertilizers is a new measure put forward by the Ministry of Agriculture in April 1994 to increase the income of peasants by increasing grain output in our country. The Ministry of Agriculture plans to add a depth of 820 million mu of chemical fertilizers over a five-year period, bringing the total area of fertilizer to 1 billion mu nationwide and bringing the average utilization rate of nitrogenous fertilizers from ...