侧深施氮对机插水稻产量形成及氮素利用的影响

朱从桦,张玉屏,向镜,张义凯,武辉,王亚梁,朱德峰,陈惠哲

Effects of Side Deep Fertilization on Yield Formation and Nitrogen Utilization of Mechanized Transplanting Rice

CongHua ZHU,YuPing ZHANG,Jing XIANG,YiKai ZHANG,Hui WU,YaLiang WANG,DeFeng ZHU,HuiZhe CHEN

表3 机械侧深施氮对水稻叶片SPAD值的影响

Table 3 Effects of mechanized side deep placement of nitrogen fertilizer on SPAD value in leaf of rice

年份 Year 处理 Treatment SPAD 穗分化期 Panicle initiation stage 齐穗期 Full heading stage 2017 N0 37.80d 40.55c CUB 39.59c 43.06b CUM 41.03b 43.68ab CRUB 41.97b 44.59a CRUM 44.11a 44.73a 2018 N0 38.13d 39.04c CUB 40.30c 40.74b CUM 41.47bc 41.77ab CRUB 42.20b 41.34ab CRUM 43.90a 42.21a