施磷水平对不同茬口下冬小麦生长发育及产量的影响

薛华龙,娄梦玉,李雪,王飞,郭彬彬,郭大勇,李海港,焦念元

Effects of Phosphorus Application Levels on Growth and Yield of Winter Wheat Under Different Crops for Rotation

XUE HuaLong,LOU MengYu,LI Xue,WANG Fei,GUO BinBin,GUO DaYong,LI HaiGang,JIAO NianYuan

表1 施磷水平对不同茬口下冬小麦分蘖及成穗率的影响

Table 1 Effects of P levels on tillering and percentage of available tiller in winter wheat under different crops for rotation

年份 Year	磷水平 P level	最大分蘖数 Maximum tiller (×10⁴·hm^-2)			有效分蘖数 Available tiller (×10⁴·hm^-2)			分蘖成穗率 Percentage of available tillers (%)
年份 Year	磷水平 P level	PCR	MCR	ICR	PCR	MCR	ICR	PCR	MCR	ICR
2018-2019	P₀	511.11h	422.22	494.44h	305.56f	261.1f	288.89f	59.14a	61.08a	59.82a
	P₉₀	1533.33e	1383.33g	1466.67f	522.22e	494.44e	511.11e	34.05c	35.74c	34.84c
	P₁₈₀	1861.11b	1666.67d	1800.01bc	738.89bc	666.67d	722.22c	39.73b	40.03b	40.12b
	P₂₇₀	1988.89a	1797.78c	1927.78a	788.89a	716.67c	772.22ab	39.66b	39.84b	40.06b
2019-2020	P₀	478.33g	390.00h	441.67g	333.33f	273.33g	313.33f	69.68a	70.08a	70.94a
	P₉₀	1688.33d	1475.00f	1570.00e	640.67d	533.33e	600.00d	37.93c	36.16c	38.22c
	P₁₈₀	1856.67bc	1684.17d	1796.67c	793.33b	720.00c	780.00b	42.73b	42.75b	43.41b
	P₂₇₀	2031.67a	1898.33b	2023.33a	858.33a	793.33b	856.67a	42.24b	41.79b	42.32b