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鸡粪是保护地蔬菜应用最广泛的有机肥,虽是好东西,有时也会给农民朋友带来不必要的损失。1.有机酸毒害:鸡粪所产生的有机酸可影响种子萌发,严重的会造成烂种、烂芽,幼苗生长不良,植株矮小;成株期施用过多的未腐熟鸡粪,可使植株的叶片自上而下变黄,似缺素状。2.棚室氨害:西红柿、瓜类等叶片受害,初期在叶正面出现大小不一、不规则的失绿或水渍状病斑,后变为淡褐色至黄白色,干枯;花受害后,花萼、花瓣呈水渍状,后变褐干枯。
Chicken manure is the most widely used organic fertilizer for protected vegetables. Although it is a good thing, farmers’ friends sometimes bring unnecessary losses. 1. Organic acids poisoning: organic acids produced by chicken manure can affect seed germination, serious will cause rotten, rotten buds, poor growth of seedlings, plants dwarf; excessive application of unmanaged chicken manure at the adult stage, plants The leaves turn yellow from top to bottom, like lack of primeval. 2. Canopy ammonia damage: tomatoes, melons and other leaves victims, the initial appearance of the leaves in different sizes, irregular loss of water or green stain-like lesions, after the light brown to yellowish white, dry; flowers after the victims , Calyx, petal was water-like, after browning dry.