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9 侧深施肥不同施肥方式对水稻氮素吸收速率的影响
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Table 9 Effects of different fertilization methods on nitrogen uptake rate in rice (kg hm-2 d-1)
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年份 Year | 品种 Variety | 处理 Treatment | 播种期至拔节期 S-J | 拔节期至抽穗期 J-H | 抽穗期至成熟期 H-M | 2019 | 南粳9108 Nanjing 9108 | 0N | 0.43 d | 1.29 c | 0.21 d | CFM | 0.71 c | 2.31 a | 0.43 b | FM1 | 1.17 a | 1.47 b | 0.38 c | FM2 | 1.19 a | 1.52 b | 0.40 c | FM3 | 0.84 b | 2.33 a | 0.47 a | FM4 | 0.83 b | 2.29 a | 0.46 a | 南粳5718 Nanjing 5718 | 0N | 0.42 d | 1.32 c | 0.21 d | CFM | 0.67 c | 2.68 a | 0.47 b | FM1 | 1.16 a | 1.57 b | 0.41 c | FM2 | 1.16 a | 1.63 b | 0.42 c | FM3 | 0.80 b | 2.68 a | 0.51 a | FM4 | 0.81 b | 2.72 a | 0.52 a | 2020 | 南粳9108 Nanjing 9108 | 0N | 0.45 d | 1.31 c | 0.23 d | CFM | 0.73 c | 2.33 a | 0.45 b | FM1 | 1.17 a | 1.51 b | 0.42 c | FM2 | 1.21 a | 1.54 b | 0.42 c | 年份 Year | 品种 Variety | 处理 Treatment | 播种期至拔节期 S-J | 拔节期至抽穗期 J-H | 抽穗期至成熟期 H-M | | 南粳5718 Nanjing 5718 | 0N | 0.44 d | 1.34 c | 0.23 d | FM3 | 0.86 b | 2.35 a | 0.49 a | FM4 | 0.85 b | 2.31 a | 0.48 a | CFM | 0.69 c | 2.70 a | 0.49 b | FM1 | 1.18 a | 1.59 b | 0.43 c | FM2 | 1.20 a | 1.65 b | 0.44 c | FM3 | 0.82 b | 2.72 a | 0.53 a | FM4 | 0.83 b | 2.74 a | 0.54 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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