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长期以来,不少农民经常反映一个很带有普遍性的问题,即种庄稼年年季季要施肥,可是,对哪块地该施什么肥?宜施什么肥?何时施肥好?心中没数,而且施肥量呈逐年上升趋势。这样长期下去,不仅会人为地造成肥害,使土壤板结,土质变劣,影响农作物生长,降低产量,而且还增加了生产成本和农民负担。据调查,造成农民盲目施肥的原因有以下几个方面: 一是农民缺乏科学种田知识对自已所承包耕地的氮、磷、钾等元
For a long time, many peasants often reflect a very common problem, namely, to grow crops every year to fertilize, but what kind of fertilizers should be applied? What kind of fertilizer should be applied? , And the amount of fertilizer showed an upward trend year by year. In the long run, this will not only result in man-made fatalities, make soil compaction, deteriorate soil quality, affect the growth of crops and reduce the output, but also increase the production cost and peasant burden. According to the survey, farmers blindly fertilize the following aspects: First, farmers lack scientific knowledge of farming their own contracted cultivated land of nitrogen, phosphorus, potassium and other yuan