【摘要】 本试验应用¹⁵N示踪法,研究了油菜秸秆作为有机肥施用的供氮特性及其产最效应。结果表明,油菜秸秆配合氮素化肥施用,能显著地提高秸秆的肥效作用。更多还原

【Abstract】 ¹⁵N-labeled rape stalks used as a manure were studied on their nitrogen-supplying properties and its effects on crop yields.The result was shown that the efficiency of the stalk-manure was markedly improved,when it was applied in combination with nitrogenous fertilizer.更多还原