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1.重施有机肥 有机肥不会导致蔬菜硝酸盐污染,而且耐贮存,品质好。有机肥应经高温堆沤腐熟,杀死病菌、虫卵后施用。病虫害少,可减少农药用量,提高蔬菜产量和安全质量。用沼气渣生产的蔬菜,是最佳的无公害蔬菜。菜地不使用工
1. re-organic fertilizer organic fertilizer will not lead to nitrate pollution in vegetables, but also resistant to storage, good quality. Organic fertilizer should be high-temperature reactor 沤 composting, killing bacteria, eggs after the application. Less pests and diseases, can reduce the amount of pesticides, improve vegetable production and safety and quality. Vegetable produced with biogas residue is the best pollution-free vegetable. Vegetable does not use workers