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为进一步验证全生物型叶面肥对春架豆角的增产效果，２０００年威县农业局进行了喷施全生物型叶面肥与不喷的对比试验。喷施时期为豆角开始座花时，每１０天喷一次共喷３次。浓度为３００倍液，一般在下午进行喷施。结果证明：喷施全生物型叶面肥的折合６６７ｍ２（亩）产１３
In order to further verify the effect of all-bio-type foliar fertilizer on the yield increase of spring bean, the Weixian Bureau of Agriculture carried out the comparative experiment of spraying all bio-type foliar fertilizer with no spraying. Spraying period for the beginning of flowering beans, spraying every 10 days a total of 3 times. Concentration of 300 times the liquid, usually spray in the afternoon. The results show that: All-bio-type foliar spray equivalent 667m2 (mu) production 13