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近年来,由于大量施用氮、磷、钾化肥,有机肥逐渐减少,土壤中微量元素含量愈来愈缺乏,不仅严重影响产量,而且造成农产品品质下降。因此,推广使用微肥显得非常重要。硼肥经多年推广,已被广大农民接受,但是锌肥还处在宣传推广阶段。我市土肥站经过多年试验,发现锌肥的增产作用十分
In recent years, due to the large amount of application of nitrogen, phosphorus and potassium fertilizers, organic fertilizers gradually reduced, the lack of trace elements in the soil, not only seriously affect the yield, but also caused the decline in the quality of agricultural products. Therefore, the promotion of the use of fertilizer is very important. Boron fertilizer for many years to promote, has been accepted by the majority of farmers, but zinc is still in the stage of promotion. Soil Fertilizer Station in our city after years of testing and found that the role of zinc fertilizer production is very significant