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苹果弱树施用生物菌肥九丰肥田宝后 ,树势显著增强 ,新梢长度增加了 2 8 8% ,叶片厚度增加了 39 1% ,百叶干重增加了 5 3 7% ,叶面积和细根干重也有一定提高
The application of bio-fertilizer in Jiufeng and Tianbao of weak apple trees enhanced the tree vigor significantly, the shoot length increased by 28.8%, the leaf thickness increased by 39 1%, the leaf dry weight increased by 53 37%, and the leaf area and fine Root dry weight also have to improve