种植密度和施肥量对油菜毯状苗生长的影响
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张含笑,林参,左青松,杨光,冯倩南,冯云艳,冷锁虎
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Effects of plant density and N fertilizer spraying concentration on growth of rapeseed blanket seedlings
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Han-Xiao ZHANG,Shen LIN,Qing-Song ZUO,Guang YANG,Qian-Nan FENG,Yun-Yan FENG,Suo-Hu LENG
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表3 不同密度和施肥对油菜毯状苗各苗龄形态特征的影响
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Table 3 Effect of planting density and N rate on agronomic traits of the blanket rapeseed seedings during process of growth
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密度
Density
(Seed plate-1) | 施肥浓度Nitrogen
(g L-1) | 根颈长
Root collar length (cm) | 苗高
Plant height (cm) | 叶长
Leaf length (cm) | | 20 d | 30 d | 40 d | 20 d | 30 d | 40 d | 20 d | 30 d | 40 d | | 400 | 1 | 1.33 h | 1.34 f | 1.35 h | 4.74 i | 7.75 g | 8.85 h | 1.39 fg | 2.14 fg | 2.79 efg | | 2 | 1.37 g | 1.38 e | 1.38 g | 5.23 g | 8.04 f | 9.06 g | 1.74 bc | 2.52 c | 3.08 bc | | 3 | 1.40 ef | 1.41 e | 1.42 f | 5.47 f | 8.52 d | 9.52 e | 2.03 a | 2.86 a | 3.37 a | | 600 | 1 | 1.35 h | 1.36 f | 1.36 g | 5.15 h | 7.78 g | 8.96 h | 1.38 fg | 2.11 fg | 2.73 efg | | 2 | 1.40 efg | 1.42 e | 1.42 f | 5.73 g | 8.12 ef | 9.33 f | 1.70 bcd | 2.43 cd | 3.00 cd | | 3 | 1.45 ef | 1.48 d | 1.47 e | 6.05 ef | 8.66 d | 9.70 e | 1.96 a | 2.73 a | 3.25 ab | | 800 | 1 | 1.38 g | 1.41 e | 1.41 f | 5.25 h | 7.97 ef | 9.89 de | 1.28 gh | 2.08 g | 2.64 gh | | 2 | 1.45 ef | 1.51 d | 1.51 d | 5.88 g | 8.41 d | 10.42 d | 1.57 de | 2.37 d | 2.87 de | | 3 | 1.52 c | 1.63 c | 1.67 c | 6.36 e | 8.87 c | 10.73 c | 1.77 b | 2.65 b | 3.04 cd | | 1000 | 1 | 1.40 efg | 1.50 d | 1.53 d | 5.76 f | 8.25 e | 10.13 c | 1.21 gh | 1.96 h | 2.48 hi | | 2 | 1.53 c | 1.62 c | 1.67 c | 6.58 cd | 8.80 c | 10.75 c | 1.44 ef | 2.19 ef | 2.67 fgh | | 3 | 1.60 b | 1.71 b | 1.72 bc | 6.99 ab | 9.64 b | 11.46 ab | 1.61 bcd | 2.41 d | 2.82 ef | | 1200 | 1 | 1.45 d | 1.58 c | 1.58 d | 5.85 f | 8.36 e | 10.35 c | 1.19 h | 1.90 h | 2.36 i | | 2 | 1.58 bc | 1.73 ab | 1.73 ab | 6.73 bc | 8.98 c | 11.04 bc | 1.38 f | 2.11 fg | 2.51 hi | | 3 | 1.67 a | 1.81 a | 1.81 a | 7.18 a | 9.93 a | 11.9 4a | 1.53 d | 2.30 e | 2.63 fgh |
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