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花椰菜又名花菜、菜花,花椰菜生产近几年已经越来越受到人们的重视。由此,防止因施肥措施不当,造成花椰菜中硝酸盐、亚硝酸盐及镉、铬等重金属超标,对提高花椰菜品质尤为重要。一、施肥原则1.有机肥为主,化肥为辅。花椰菜田单施化肥比单施有机肥中的硝酸盐残留高。因此无公害花椰菜生产用肥,必须以有机肥为主,
Cauliflower, also known as cauliflower, cauliflower, cauliflower production in recent years has been more and more people’s attention. Therefore, to prevent improper fertilizer measures, resulting in cauliflower nitrate, nitrite and cadmium, chromium and other heavy metals exceeded, to improve the quality of cauliflower is particularly important. First, the principle of fertilization 1. Organic fertilizer, supplemented by fertilizer. Single broccoli fertilizers than the single application of organic manure in the high nitrate residues. Therefore, pollution-free broccoli fertilizer production, organic fertilizer must be based,