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马水桔新长的叶片不转绿是什么原因?

dg真人游戏faburiqi: 2017-05-07 20:40

问:
四年马水桔,2000棵,今年第一次挂果。现所有树新长的梢上,嫩叶都又细又黄,而且很硬,和正常的不同,老叶就没有问题。在四月份开花期喷施过920,喷完两天就环割了,然后过了二十多天后(四月尾)又环割一次,现在环割口已愈合了。新长的叶不转绿是什么问题?和环割有关吗?

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