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5 侧深施肥不同施肥方式对水稻光合势的影响
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Table 5 Effects of different fertilization methods on photosynthetic potential of rice
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年份 Year | 品种 Variety | 处理 Treatment | 播种期至拔节期 S-J (×104 m2 d hm-2) | 拔节期至抽穗期 J-H (×104 m2 d hm-2) | 抽穗期至成熟期 H-M (×104 m2 d hm-2) | 2019 | 南粳9108 Nanjing 9108 | 0N | 55.83 c | 88.23 d | 172.98 d | CFM | 138.55 b | 174.01 c | 342.01 c | FM1 | 160.13 a | 190.15 a | 357.59 a | FM2 | 156.78 a | 188.72 a | 356.02 a | FM3 | 142.99 b | 179.95 b | 359.85 b | FM4 | 142.73 b | 179.73 b | 355.96 b | 南粳5718 Nanjing 5718 | 0N | 84.55 c | 108.45 d | 203.11 d | CFM | 150.24 b | 189.86 c | 370.95 c | FM1 | 176.95 a | 205.62 a | 380.09 a | 年份 Year | 品种 Variety | 处理 Treatment | 播种期至拔节期 S-J (×104 m2 d hm-2) | 拔节期至抽穗期 J-H (×104 m2 d hm-2) | 抽穗期至成熟期 H-M (×104 m2 d hm-2) | | | FM2 | 177.63 a | 206.88 a | 381.55 a | FM3 | 156.87 b | 197.01 b | 385.70 b | FM4 | 155.68 b | 196.33 b | 383.45 b | 2020 | 南粳9108 Nanjing 9108 | 0N | 56.73 c | 88.87 d | 173.62 d | CFM | 139.49 b | 174.47 c | 342.49 c | FM1 | 162.13 a | 190.99 a | 357.97 a | FM2 | 157.28 a | 189.24 a | 356.44 a | FM3 | 143.77 b | 180.63 b | 360.13 b | FM4 | 143.23 b | 180.19 b | 356.26 b | 南粳5718 Nanjing 5718 | 0N | 84.95 c | 108.91 d | 207.15 d | CFM | 151.26 b | 190.18 c | 373.85 c | FM1 | 177.25 a | 206.00 a | 380.13 a | FM2 | 178.13 a | 207.26 a | 385.59 a | FM3 | 157.19 b | 197.55 b | 385.90 b | FM4 | 156.30 b | 196.59 b | 384.13 b | 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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