沿黄灌区不同种植模式下麦后复种油菜适宜施氮量研究

刘陈, 王伟妮, 廖世鹏, 任涛, 郭晨, 许源源, 于道海, 刘俊梅, 张豪强, 孙霞, 鲁剑巍

Study on Optimal Nitrogen Application Rate for Relay Cropped Rapeseed after Wheat under Different Planting Patterns in the Yellow River Irrigation Region

Liu Chen, Wang Weini, Liao Shipeng, Ren Tao, Guo Chen, Xu Yuanyuan, Yu Daohai, Liu Junmei, Zhang Haoqiang, Sun Xia, Lu Jianwei

表3 不同种植模式下施氮量对油菜养分积累量的影响

Table 3 Effects of nitrogen application rate on nutrient accumulation of rape seed under different cropping patterns 元/hm2 yuan/hm2

处理 Treatment 施氮量 Nitrogen application rate 种植成本Planting cost 收益Earning 净收益Net earning 机械 Mechanical 氮肥 Nitrogen fertilizer 磷肥 Phosphorus fertilizer 其他 Others 鲜草产值 Fresh grass output 可替代化肥价值 Alternative fertilizer value 饲料油菜 Forage rape seed 绿肥油菜 Manure rape T1 0 2775 0 297 280 12 964 3144 9592 -228 30 2775 209 297 280 19 286 4327 15 705 746 60 2775 417 297 280 23 168 5534 19 379 1745 90 2775 626 297 280 24 593 5897 20 595 1899 120 2775 835 297 280 25 172 6000 20 965 1793 T2 0 1950 0 297 280 14 852 3510 12 305 963 30 1950 209 297 280 19 846 4501 17 091 1745 60 1950 417 297 280 22 795 5384 19 831 2420 90 1950 626 297 280 24 317 6221 21 143 3048 120 1950 835 297 280 26 105 6478 22 723 3096 T3 0 825 0 297 280 13 670 3296 12 248 1874 30 825 209 297 280 18 734 4350 17 104 2719 60 825 417 297 280 21 446 5343 19 606 3504 90 825 626 297 280 24 717 5976 22 668 3928 120 825 835 297 280 25 919 6150 23 662 3893