The concentrations of unhydrolysable nitrogen changed in the opposite direction from the hydrolysable nitrogen.
非酸解性氮占全氮比例的变化趋势与酸水解态氮的变化趋势相反；
The influence of application of organic and nitrogen fertilizer on the content of alkali hydrolysable N in fertilities soil was studied.
对设施土壤中长期施有机肥与氮肥对土壤中碱解氮含量的影响进行了研究。
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