机译:Effects of Nitrogen Application Rate, Density and Seedling Age on Dry Matter Accumulation of No-tillage Rape in Seedling Stage施氮量·密度和苗龄对稻田免耕油菜苗期干物质积累的影响
机译:Effects of Planting Density, Duration of Disclosing Plastic Film and Nitrogen Fertilization on the Growth Dynamics of Rapeseed under No-tillage Cultivation不同密度·揭膜时间和施氮量对免耕油菜生育动态的影响