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2 控释氮肥运筹对钵苗摆栽籼粳杂交稻产量及其构成因素的影响(2016-2017)

Table 2 Effects of different application methods of CRNF on grain yield and its components of indica-japonica hybrid rice in pot-seedling mechanically transplanted in 2016 and 2017

年份 Year	处理 Treatment	有效穗数 Panicles per m²	每穗粒数Spikelets per panicle	结实率 Grain-filling percentage (%)	千粒重 1000-grain weight (g)	实收产量 Actual grain yield (t hm^-2)
2016	0N	165.9 b	291.6 a	94.7 bc	23.38 a	10.2 c
	SU	233.4 a	271.3 b	97.0 ab	22.70 b	13.1 a
	BC	235.6 a	252.7 c	92.9 c	22.72 b	12.0 b
	BC+TU	239.9 a	249.7 c	92.0 c	22.80 b	12.2 b
	BC+PU	235.1 a	280.7 b	98.6 a	22.86 b	13.1 a
2017	0N	207.1 b	272.8 a	93.1 a	23.41 a	9.5 c
	SU	282.0 a	243.0 bc	85.9 bc	22.34 b	12.0 a
	BC	275.3 a	223.0 d	83.2 cd	22.70 b	10.9 b
	BC+TU	283.6 a	232.0 cd	81.1 d	22.51 b	11.3 b
	BC+PU	280.1 a	249.5 b	87.5 b	22.35 b	12.2 a
F-value	年份Year (Y)	268.7^**	83.0^**	197.0^**	6.2^*	41.9^**
	处理Treatment (T)	122.6^**	34.9^**	20.6^**	11.5^**	50.6^**
	Y×T	0.4^ns	1.1^ns	8.5^**	1.2^ns	0.2^ns