种植密度和施肥量对油菜毯状苗生长的影响

张含笑,林参,左青松,杨光,冯倩南,冯云艳,冷锁虎

Effects of plant density and N fertilizer spraying concentration on growth of rapeseed blanket seedlings

Han-Xiao ZHANG,Shen LIN,Qing-Song ZUO,Guang YANG,Qian-Nan FENG,Yun-Yan FENG,Suo-Hu LENG

表1 不同密度和施肥对油菜毯状苗各苗龄存苗数和死苗数的影响

Table 1 Effect of planting density and N rate on survival and death blanket rapeseed seedings during process of growth

密度 Density (Seed plate^-1)	施肥浓度 Nitrogen (g L^-1)	存苗数 Number of survival plants			死苗数Number of death plants
密度 Density (Seed plate^-1)	施肥浓度 Nitrogen (g L^-1)	20 d	30 d	40 d	20 d	30 d	40 d
400	1	378.12 j	375.48 k	367.48 i	14.72 gh	17.36 j	25.36 l
	2	380.20 j	378.24 k	372.24 i	13.19 h	15.15 j	21.15 l
	3	384.20 j	382.56 k	377.52 i	10.43 h	12.07 j	17.11 l
600	1	563.14 i	550.50 j	535.50 h	25.44 f	38.08 gh	53.08 i
	2	567.18 hi	556.45 ij	545.48 h	22.44 fg	33.17 hi	44.14 ij
	3	574.70 h	567.78 i	558.84 h	17.17 g	24.09 ij	33.03 jk
800	1	731.52 g	710.12 h	657.52 g	48.42 c	69.82 d	122.42 f
	2	740.24 fg	723.28 h	683.28 fg	41.94 d	58.90 f	98.90 g
	3	754.00 f	742.44 g	712.48 ef	32.32 e	43.88 g	73.84 h
1000	1	908.50 e	827.90 f	717.60 e	57.50 b	138.10 b	248.40 b
	2	921.00 de	854.10 e	773.60 d	49.21 c	116.11 c	196.61 c
	3	940.30 d	892.20 d	831.67 c	36.82 d	84.92 d	145.45 e
1200	1	1059.96 c	956.36 c	820.36 c	68.64 a	172.24 a	308.24 a
	2	1080.00 b	996.92 b	903.36 b	58.44 b	141.52 b	235.08 b
	3	1109.64 a	1053.52 a	985.04 a	43.08 d	99.20 e	167.68 d