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几种作物喷肥能增产夏玉米喷施锌肥能增产１９９１—１９９４年，笔者在河南省武陟县嘉应观乡西营村做了多点喷施硫酸锌肥试验，结果表明，叶面苗期喷施锌肥的比对照田亩增产１６．２％，千粒重增加３４克，空株降低２％。具体方法为：在夏玉米苗期喷施０．２％的硫酸锌水...
Fertilization of several crops can increase the summer corn Zinc Fertilizer can increase production 1991-1994, the author Wuyi County in Henan Province Jiaying concept Township Xiyin Village to do more spraying zinc sulfate fertilizer test results show that the foliage Seedling zinc fertilizer than the control field mu yield 16.2%, 1000 grain weight increased 34 grams, 2% empty strains. The specific method is: Spraying 0.2% zinc sulfate water in the summer corn seedling stage ...