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１ 土壤和肥料中的养分与农产品质量的关系１．有机质与农产品质量的关系 研究结果表明，土壤有机质与稻米蛋白质含量呈显著正相关，而与直链淀粉的含量呈极显著负相关，与垩白面积也呈极显著负相关；用猪粪尿和绿肥作基肥单施，使糙米的含氮量、蛋白质态氮和氨基酸总量都分别
1 soil and fertilizer nutrients and the quality of agricultural products 1. The relationship between organic matter and agricultural product quality The results showed that there was a significant positive correlation between soil organic matter and rice protein content but negatively correlated with amylose content and negatively correlated with chalkiness area. Green manure as a single fertilizer, so that the brown rice nitrogen, protein nitrogen and total amino acids were