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喷施葡萄专用叶面肥效果好近些年我省葡萄生产存在着施肥不合理现象,氮磷肥偏多,而钾肥和葡萄必需的其他微量元素等不足,导致植株缺素症(亦称生理性病害),如叶片失绿黄化,大小粒不匀,小叶病等。尤其近几年自然灾害严重,症状更为明显,严重影响葡萄产量和品质,使...
Spraying grape-specific foliar fertilizer effect In recent years, there is an irrational phenomenon of fertilization in grape production in our province, nitrogen and phosphorus fertilizer is too much, while potassium and other essential trace elements of grape deficiencies, leading to plant-deficient disease (also known as physiological Diseases), such as the loss of green leaves, the size of the grain uneven, lobular disease. Especially in recent years, serious natural disasters, the symptoms are more obvious, seriously affecting the yield and quality of grapes, so that ...