津浙豫开发研制新型肥料获重大成果据从权威部门获悉，天津、浙江、河南开发研制新型肥料取得重大成果。由天津市植物营养研究所研制的“现代全元化肥”已通过技术鉴定，并列为国家专利。农业生产由于只施用氨、磷、钾等单元素肥料，致使土地板结、植物营养比例失调，农作... Tianjin, Zhejiang and Henan developed major achievements of new fertilizers According to the authoritative department was informed that Tianjin, Zhejiang, Henan, developed a new type of fertilizer to achieve major results. Developed by the Tianjin Institute of Plant Nutrition “modern all-purpose fertilizer” has passed the technical appraisal, and as a national patent. Agricultural production due to the application of ammonia, phosphorus, potassium and other single-element fertilizer, resulting in land compaction, plant nutrition imbalance, farming ...