侧深施氮对水稻产量及氮素吸收利用的影响
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黄恒, 姜恒鑫, 刘光明, 袁嘉琦, 汪源, 赵灿, 王维领, 霍中洋, 许轲, 戴其根, 张洪程, 李德剑, 刘国林
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Effects of side deep placement of nitrogen on rice yield and nitrogen use efficiency
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HUANG Heng, JIANG Heng-Xin, LIU Guang-Ming, YUAN Jia-Qi, WANG Yuan, ZHAO Can, WANG Wei-Ling, HUO Zhong-Yang, XU Ke, DAI Qi-Gen, ZHANG Hong-Cheng, LI De-Jian, LIU Guo-Lin
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表4 侧深施肥不同施肥方式对水稻叶面积指数的影响
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Table 4 Effects of different fertilization methods on leaf area index of rice
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年份 Year | 品种 Variety | 处理 Treatment | 拔节期 Jointing stage | 抽穗期 Heading stage | 成熟期 Maturity stage | 2019 | 南粳9108 Nanjing 9108 | 0N | 1.68 c | 3.69 c | 1.49 c | CFM | 4.15 b | 6.41 b | 3.81 ab | FM1 | 4.81 a | 6.74 a | 3.94 a | FM2 | 4.69 a | 6.77 a | 3.96 a | FM3 | 4.28 b | 6.65 a | 4.05 a | FM4 | 4.26 b | 6.65 a | 3.98 a | 南粳5718 Nanjing 5718 | 0N | 2.53 c | 4.06 c | 2.07 c | CFM | 4.50 b | 7.02 b | 4.10 ab | FM1 | 5.31 a | 7.19 a | 4.16 a | FM2 | 5.29 a | 7.27 a | 4.21 a | FM3 | 4.69 b | 7.24 a | 4.25 a | FM4 | 4.66 b | 7.25 a | 4.21 a | 2020 | 南粳9108 Nanjing 9108 | 0N | 1.81 c | 3.81 c | 1.58 c | CFM | 4.41 b | 6.62 b | 4.01 b | 年份 Year | 品种 Variety | 处理 Treatment | 拔节期 Jointing stage | 抽穗期 Heading stage | 成熟期 Maturity stage | | | FM1 | 4.98 a | 6.62 b | 4.09 b | FM2 | 4.96 a | 6.79 b | 4.11 b | FM3 | 4.52 b | 6.97 a | 4.35 a | FM4 | 4.50 b | 6.96 a | 4.33 a | 南粳5718 Nanjing 5718 | 0N | 2.88 c | 4.14 c | 2.21 c | CFM | 4.87 b | 7.12 b | 4.26 b | FM1 | 5.28 a | 7.12 b | 4.27 b | FM2 | 5.26 a | 7.25 b | 4.28 b | FM3 | 4.98 b | 7.47 a | 4.46 a | FM4 | 5.00 b | 7.46 a | 4.45 a | 方差分析Variance analysis | Y | ns | ns | ns | V | ** | ** | ** | T | ** | ** | ** | Y×V | ns | ns | ns | Y×T | ns | ns | ns | V×T | ** | ** | ** | Y×V×T | ns | ns | ns |
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