氮肥减量条件下间作绿豆压青对甘蔗生长及氮代谢的影响

谢金兰, 林丽, 李长宁, 罗霆, 莫璋红

Effects of Intercropping Mungbean Straw Returning on Sugarcane Growth and Nitrogen Metabolism under Nitrogen Fertilizer Reduction

Xie Jinlan, Lin Li, Li Changning, Luo Ting, Mo Zhanghong

表5 不同时期硝酸还原酶活性

Table 5 Activities of nitrate reductase at different stages μmol/(h·g)

处理 Treatment 新植蔗New-planting cane 宿根蔗Ratoon cane 分蘖期 Tillering stage 伸长期 Elongation stage 分蘖期 Tillering stage 伸长期 Elongation stage A 0.80a 1.93a 0.87a 0.82aA B 0.84a 1.73ab 0.89a 0.85aA C 0.74a 1.63b 0.88a 0.79aA CK 0.71a 1.74ab 0.90a 0.66bB