评论 来源:中国农科新闻网 时间:2023-05-31 12:42:47
【资料图】
答:杨凌老科协咨询专家、西北农林科技大学研究员常宗堂回复说,从图片来看,疑似由化肥施用过量或者冲施不均匀烧根导致。建议叶面喷施“碧护”缓解,亩用碧护7-14克,兑水30公斤,均匀喷雾,每5-7天喷1次,连喷2次,同时用清水浇灌。
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