控释氮肥运筹对钵苗摆栽籼粳杂交稻甬优1540产量及氮肥利用的影响

柯健, 陈婷婷, 徐浩聪, 朱铁忠, 吴汉, 何海兵, 尤翠翠, 朱德泉, 武立权

Effects of different application methods of controlled-release nitrogen fertilizer on grain yield and nitrogen utilization of indica-japonica hybrid rice in pot-seedling mechanically transplanted

KE Jian, CHEN Ting-Ting, XU Hao-Cong, ZHU Tie-Zhong, WU Han, HE Hai-Bing, YOU Cui-Cui, ZHU De-Quan, WU Li-Quan

表6 控释氮肥运筹对钵苗摆栽籼粳杂交稻氮素经济效益的影响(2016-2017)

Table 6 Effects of different application methods of CRNF on economic benefits of indica-japonica hybrid rice in pot-seedling mechanically transplanted in 2016 and 2017

年份 Year	处理 Treatment		氮肥支出 N fertilizer cost (Yuan hm^-2)	施氮工费 Cost of N application (Yuan hm^-2)	其他成本 Other costs (Yuan hm^-2)	净收益 Net income (Yuan hm^-2)
2016	0N	26,555 c	0	0	21,000	5555 c
	SU	33,939 a	588	1500	21,000	10,851 ab
	BC	31,087 b	700	300	21,000	9087 b
	BC+TU	31,755 b	678	900	21,000	9177 b
	BC+PU	34,121 a	666	900	21,000	11,554 a
2017	0N	24,813 c	0	0	21,000	3813 c
	SU	31,295 a	588	1500	21,000	8207 ab
	BC	28,427 b	700	300	21,000	6427 b
	BC+TU	29,259 b	678	900	21,000	6681 b
	BC+PU	31,781 a	666	900	21,000	9214 a
F-value	年份Year (Y)	42.0^**				42.0^**
	处理Treatment (T)	50.6^**				28.4^**
	Y×T	0.2^ns				0.2^ns