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施用复合微生物肥料使番茄产量提高 7.3 %～ 11.1% ,可溶性固形物含量提高 0 .9%～ 1.3 % ,硝酸盐含量降低 2 7.2 %～ 3 4 .8% ;苦瓜产量提高 10 .7%～ 16.1% ,硝酸盐含量降低 2 8.7%～ 3 6.1% ;菜薹产量提高 7.2 %～ 15.1% ,硝酸盐含量降低 55.6%～ 61.5%。各处理产品中的硝酸盐含量及有害元素的含量 ,均符合无公害蔬菜产品质量标准要求
The compound microbial fertilizer increased the yield of tomato by 7.3% ~ 11.1%, the content of soluble solid increased by 0.9% ~ 1.3%, the nitrate content decreased by 7.22% ~ 34.8% and the yield of bitter melon increased by 10.7% ~ 16.1 %, Nitrate content decreased by 8.72% ~ 3 ~ 6.1%. The yield of cauliflower increased by 7.2% ~ 15.1%, while the nitrate content decreased by 55.6% ~ 61.5%. The content of nitrate and the content of harmful elements in each treatment product all met the quality standard of pollution-free vegetables