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3 控释氮肥运筹对钵苗摆栽籼粳杂交稻干物质积累和收获指数的影响(2016-2017)

Table 3 Effects of different application methods of CRNF on DMA and harvest index of indica-japonica hybrid rice in pot-seedling mechanically transplanted in 2016 and 2017

年份 Year	处理 Treatment	地上部干物质重Dry matter accumulation (t hm^-2)			收获指数 Harvest index (%)
年份 Year	处理 Treatment	穗分化期PI	抽穗期HS	成熟期MS	收获指数 Harvest index (%)
2016	0N	4.2 c	13.2 c	18.7 c	55.0 a
	SU	5.9 b	16.4 a	22.8 a	57.4 a
	BC	6.0 b	15.1 b	20.6 b	58.2 a
	BC+TU	6.9 a	15.2 b	20.9 b	58.5 a
	BC+PU	5.6 b	16.8 a	23.6 a	55.6 a
2017	0N	4.6 b	10.0 c	16.4 c	57.1 a
	SU	6.1 a	13.0 a	20.5 a	60.1 a
	BC	6.2 a	11.9 b	19.0 b	57.6 a
	BC+TU	7.1 a	12.0 b	18.8 b	59.9 a
	BC+PU	6.0 a	13.1 a	20.7 a	59.2 a
F-value	年份Year (Y)	5.1^**	511.4^**	147.9^**	3.9^ns
	处理Treatment (T)	24.6^**	62.7^*	79.6^**	1.5^ns
	Y×T	0.5^ns	0.7^ns	1.9^ns	0.6^ns