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4 控释氮肥运筹对钵苗摆栽籼粳杂交稻叶面积指数和光合势的影响(2016-2017)

Table 4 Effects of different application methods of CRNF on leaf area index and leaf area duration of indica-japonica hybrid rice in pot-seedling mechanically transplanted in 2016 and 2017

年份 Year	处理 Treatment	叶面积指数Leaf area index			光合势Leaf area duration (m² m^-2 d)
年份 Year	处理 Treatment	穗分化期 PI	抽穗期 HS	成熟期 MS	移栽-穗分化期 TS-PI	穗分化-抽穗期 PI-HS	抽穗-成熟期 HS-MS
2016	0N	3.4 b	7.4 c	2.6 c	67.1 c	215.9 d	271.1 c
	SU	6.3 ab	12.2 a	6.1 a	125.8 b	368.9 ab	492.9 a
	BC	6.6 a	10.3 b	4.2 b	134.3 ab	340.2 c	391.4 b
	BC+TU	7.4 a	10.7 b	4.0 b	148.9 a	356.9 b	397.9 b
	BC+PU	6.7 a	12.1 a	6.4 a	133.1 ab	374.0 a	498.1 a
2017	0N	4.1 c	5.8 c	2.4 c	81.0 c	196.8 c	221.1 c
	SU	7.1 b	10.7 a	5.5 a	142.7 b	357.5 ab	438.6 a
	BC	7.4 a	9.5 b	2.9 b	148.5 b	339.1 b	335.5 b
	BC+TU	8.2 ab	9.6 b	3.1 b	164.6 a	349.5 ab	342.5 b
	BC+PU	7.3 ab	10.8 a	5.8 a	145.3 b	361.7 a	448.7 a
F-value	年份Year (Y)	17.9^**	92.3^**	25.89^**	17.9^**	8.7^**	230.4^**
	处理Treatment (T)	68.4^**	186.9^**	4.63^*	68.4^**	300.3^**	563.2^**
	Y×T	0.1^ns	1.3^ns	0.51^ns	0.1^ns	0.7^ns	0.2^ns