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研究氮肥施用对移栽油菜和直播油菜生长发育状况和子粒产量的影响,比较和明确两种种植方式下油菜氮肥施用效果。由于种植方式的不同,移栽油菜和直播油菜生育期内植株形态和生长发育特点存在较大差异。移栽油
The effects of nitrogen application on the growth and seed yield of transplanted rape and direct seeding rape were studied. The effects of nitrogen application under the two planting modes were compared and clarified. Due to the different planting methods, there are big differences in plant morphology and growth and development characteristics between transplanted rapeseed and live rapeseed. Transplanting oil