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

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

Characteristics and differences of rice yield, quality, and economic benefits under different modes of comprehensive planting-breeding in paddy fields

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

表2 不同稻田综合种养模式下水稻主要生育时期叶面积指数及叶面积衰减率

Table 2 Leaf area index and decreasing rates of leaf area of rice at main growth stages under different modes of comprehensive planting-breeding in paddy fields

年度 Year 模式 Type 栽后25 d 25 days after planting 拔节期 Jointing 抽穗期 Heading 成熟期 Maturity 叶面积衰减率 Decreasing rate of leaf area (LAI d-1) 2018 稻虾 RC 1.72 b 3.25 c 6.70 c 2.73 b 0.0662 c 稻锦鲤 RK 1.71 b 3.23 c 6.64 c 2.59 c 0.0675 b 稻鳖 RT 1.76 b 3.26 c 6.81 c 2.73 b 0.0669 bc 稻鳅 RL 1.78 b 3.24 c 6.68 c 2.69 b 0.0676 b 稻鲶鱼 RF 1.74 b 3.29 bc 6.91 b 2.76 b 0.0692 b 稻鸭 RD 1.81 b 3.36 b 7.07 ab 2.80 ab 0.0700 ab 对照 CK 1.89 a 3.51 a 7.22 a 2.92 a 0.0717 a 2019 稻虾 RC 1.77 b 3.31 c 6.90 bc 2.75 b 0.0692 b 稻锦鲤 RK 1.75 b 3.30 c 6.80 c 2.66 c 0.0690 bc 稻鳖 RT 1.80 b 3.35 c 6.91 bc 2.78 b 0.0689 c 稻鳅 RL 1.75 b 3.30 c 6.84 c 2.73 b 0.0685 bc 稻鲶鱼 RF 1.81 b 3.38 c 7.17 ab 2.77 b 0.0705 b 稻鸭 RD 1.87 b 3.49 b 7.19 ab 2.88 b 0.0712 ab 对照 CK 1.94 a 3.61 a 7.30 a 2.98 a 0.0725 a