红壤旱地油菜―芝麻轮作下油菜控释氮肥施用效果及其后效

吕伟生, 王馨悦, 陈明, 邓雪云, 张晨, 李子婧, 罗军元, 刘小三, 肖国滨

The Effect and the Residual Effect of Special Controlled-Release Nitrogen Fertilizer for Rapeseed (Brassica napus L.) under Rapeseed-Sesame Rotation System in Red-Soil Dryland

Lü Weisheng, Wang Xinyue, Chen Ming, Deng Xueyun, Zhang Chen, Li Zijing, Luo Junyuan, Liu Xiaosan, Xiao Guobin

表7 Effects of controlled-release nitrogen fertilizer for rapeseed on economic benefits in rapeseed-sesame rotation system 元/hm2 yuan/hm2

Table 7

芝麻季处理 Treatment in sesame 油菜季处理 Treatment in rapeseed 产值 Output 施肥投入成本Cost of fertilization 纯收入 Net income 肥料Fertilizer 施肥用工Labour 合计Total N0 CK 20 151 1850 1500 3350 16801 CN 32 229 2822 2500 5322 26907 CRN 34 146 3282 1500 4782 29364 N1 CK 28 959 2122 1500 3622 25337 CN 41 985 3094 2500 5594 36391 CRN 45 336 3554 1500 5054 40282