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河西一熟制灌区不同作物根茬还田后的分解规律研究梁国森，王如菊（张掖地区农科所７３４０００）了解不同作物根茬还田后的分解速率和特征，对于评价植物残体在保持和改善土壤有机质状况，预测土壤有机质含量的动态变化，以及制定合理的高产培肥措施，具有重大意义。为此...
Study on the Decomposition Law of Different Crops Stubble in Hexi Irrigation System Liang Guo-sen, Wang Ru-ju (Zhangye Prefecture Agronomy Station, 734000) Understanding the decomposition rate and characteristics of different crop stubble after returning to the field, Soil organic matter status, prediction of soil organic matter content of the dynamic changes, as well as the development of a reasonable measures of high-yielding fertilizers, of great significance. to this end...