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2 不同密度和施肥对油菜毯状苗各苗龄出叶数和绿叶数的影响
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Table 2 Effect of planting density and N rate on number of leaves and green leaves during the blanket rapeseed growth process
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密度
Density
(Seed plate-1) | 施肥浓度
Nitrogen
(g L-1) | 出叶数 The number of leaves | 绿叶数 The number of green leaves | | 20 d | 30 d | 40 d | 20 d | 30 d | 40 d | | 400 | 1 | 2.36 d | 3.59 e | 4.38 d | 2.36 d | 3.26 d | 3.28 d | | 2 | 2.60 bc | 4.26 b | 4.96 b | 2.60 bc | 3.83 b | 4.05 b | | 3 | 2.93 a | 4.86 a | 5.68 a | 2.93 a | 4.18 a | 4.51 a | | 600 | 1 | 2.28 d | 3.46 e | 4.20 d | 2.28 d | 3.19 de | 3.20 de | | 2 | 2.50 bc | 4.17 bc | 4.78 b | 2.50 bc | 3.77 b | 3.85 b | | 3 | 2.87 a | 4.60 a | 5.55 a | 2.87 a | 4.05 a | 4.22 a | | 800 | 1 | 2.20 de | 3.40 e | 3.96 g | 2.20 de | 3.12 e | 2.88 f | | 2 | 2.41 d | 3.93 c | 4.56 c | 2.41 d | 3.32 d | 3.36 d | | 3 | 2.67 b | 4.30 b | 5.12 b | 2.67 b | 3.87 b | 3.93 b | | 1000 | 1 | 2.15 ef | 3.23 f | 3.73 e | 2.15 ef | 2.88 f | 2.62 g | | 2 | 2.33 d | 3.76 d | 4.31 d | 2.33 d | 3.22 de | 3.03 e | | 3 | 2.54 bc | 4.13 c | 4.45 c | 2.54 bc | 3.51 c | 3.53 c | | 1200 | 1 | 2.03 f | 3.12 f | 3.56 e | 2.03 f | 2.83 f | 2.46 g | | 2 | 2.23 d | 3.62 d | 4.22 d | 2.26 d | 3.15 e | 2.93 e | | 3 | 2.46 c | 3.86 c | 4.33 d | 2.46 c | 3.22 de | 3.15 de |
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