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近年来,许多农民逐渐感觉到农田越来越不耐旱了。为什么农田的抗旱保墒能力会逐年下降呢?通过调查发现,除了近几年降雨量减少、地下水得不到补充外,还有许多人为原因。一、农家肥使用量大幅减少,化肥使用量明显增多俗话说,春天看肥堆,秋后看粮堆。可是现在春耕前地里的肥堆很
In recent years, many farmers gradually feel that farmland is getting more and more drought-resistant. Why farmland drought drought and soil conservation capacity will decline year by year? Through the survey found that, in addition to the recent few years of rainfall, groundwater can not be added, there are many human causes. First, a substantial reduction in the use of farmyard manure, fertilizer use increased significantly As the saying goes, see the spring heap, see the autumn after the piles. But now in spring before the fertilizer pile is very