不同稻田综合种养模式下水稻产量形成特点及其稻米品质和经济效益差异
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车阳, 程爽, 田晋钰, 陶钰, 刘秋员, 邢志鹏, 窦志, 徐强, 胡雅杰, 郭保卫, 魏海燕, 高辉, 张洪程
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Characteristics and differences of rice yield, quality, and economic benefits under different modes of comprehensive planting-breeding in paddy fields
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CHE Yang, CHENG Shuang, TIAN Jin-Yu, TAO Yu, LIU Qiou-Yuan, XING Zhi-Peng, DOU Zhi, XU Qiang, HU Ya-Jie, GUO Bao-Wei, WEI Hai-Yan, GAO Hui, ZHANG Hong-Cheng
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表3 不同稻田综合种养模式下水稻主要生育时期干物质积累量和收获指数
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Table 3 Dry matter accumulation and harvest index of rice at main growth stages under different modes of comprehensive planting-breeding in paddy fields
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年度
Year | 模式
Type | 栽后25 d
25 days after planting
(t hm-2) | 拔节期
Jointing
(t hm-2) | 抽穗期
Heading
(t hm-2) | 成熟期
Maturity
(t hm-2) | 收获指数
Harvest index
(%) | | 2018 | 稻虾 RC | 1.85 b | 4.15 c | 11.13 c | 18.05 c | 50.14 a | | 稻锦鲤 RK | 1.79 b | 4.03 c | 10.90 c | 17.52 d | 50.46 a | | 稻鳖 RT | 1.84 b | 4.11 c | 11.15 c | 18.13 c | 50.52 a | | 稻鳅 RL | 1.79 b | 4.04 c | 10.92 c | 17.61 cd | 50.88 a | | 稻鲶鱼 RF | 1.81 b | 4.12 c | 11.17 c | 18.27 c | 50.63 a | | 稻鸭 RD | 1.91 b | 4.23 b | 11.56 b | 18.85 b | 50.50 a | | 对照 CK | 2.00 a | 4.58 a | 12.32 a | 20.19 a | 48.69 b | | 2019 | 稻虾 RC | 1.93 b | 4.26 c | 11.55 c | 18.55 c | 49.81 a | | 稻锦鲤 RK | 1.87 b | 4.11 c | 11.32 c | 18.06 d | 50.06 a | | 稻鳖 RT | 1.92 b | 4.21 c | 11.55 bc | 18.60 c | 50.27 a | | 稻鳅 RL | 1.86 b | 4.12 c | 11.35 c | 18.14 d | 50.61 a | | 稻鲶鱼 RF | 1.87 b | 4.14 c | 11.57 bc | 18.84 c | 50.05 a | | 稻鸭 RD | 1.96 b | 4.32 b | 11.96 b | 19.39 b | 50.18 a | | 对照 CK | 2.08 a | 4.64 a | 12.61 a | 20.52 a | 48.78 b |
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