种植密度对西北不同生态区大豆产量及品质的影响

王晓婷, 王立明, 杜世坤, 杨如萍, 张晓艳, 汤春晖, 陈光荣

Effects of Planting Density on Soybean Yield and Quality in Different Ecological Regions of Northwest China

Wang Xiaoting, Wang Liming, Du Shikun, Yang Ruping, Zhang Xiaoyan, Tang Chunhui, Chen Guangrong

表1 种植密度和生态区对不同大豆品种农艺性状的影响

Table 1 Effects of planting density and ecological region on agronomic traits for different soybean varieties

生态区 Ecological region 种植密度 Planting density 株高 Plant height (cm) 底荚高度 Bottom pod height (cm) 主茎节数 Main stem node number 有效分枝数 Effective branch number 单株荚数 Pods per plant 单株粒数 Grains per plant 百粒重 100-seed weight (g) JH2 FD93 JH2 FD93 JH2 FD93 JH2 FD93 JH2 FD93 JH2 FD93 JH2 FD93 干旱区 Arid region D1 99.0ab 141.2ab 13.7c 18.6a 5.1a 3.1a 19.9a 20.1a 87.0a 51.1a 220.3a 121.7a 19.1a 26.9a D2 102.8a 147.5ab 15.4bc 17.2a 4.6a 2.2ab 19.8a 18.6ab 77.0a 42.7a 183.6b 102.3a 19.4a 25.8a D3 103.2a 135.9b 17.6b 18.6a 2.8bc 2.6ab 18.9a 17.2b 50.5bc 41.0a 119.9cd 93.9a 19.9a 26.3a D4 90.9bc 140.2b 15.7bc 19.7a 3.3b 2.3ab 27.6a 18.6ab 58.7b 43.3a 141.7c 107.1a 20.4a 26.5a D5 105.5a 136.8ab 20.5a 17.0a 1.8d 1.9ab 18.3a 18.5ab 45.9bc 39.4a 117.7cd 101.6a 20.4a 25.9a D6 88.6c 151.7a 16.1bc 20.2a 1.9cd 1.7b 17.7a 18.6ab 39.9c 39.1a 99.2d 91.9a 20.9a 27.7a 半干旱区 Semi-arid region D1 95.2a 112.4b 11.6a 17.4b 5.8a 4.8a 21.0a 21.0ab 142.0a 67.4a 324.4a 145.6a 22.7a 31.1a D2 80.2a 128.2b 13.2a 26.8b 3.2b 2.5ab 18.8a 21.0ab 66.4b 65.9a 154.4b 132.3a 23.5a 30.8a D3 84.2a 130.4ab 13.0a 32.0a 2.8bc 1.2b 18.0b 17.8ab 61.4b 40.0a 143.6b 82.0a 23.0a 30.5a D4 93.0a 127.0b 15.8a 25.6b 1.8bcd 3.4ab 19.4a 21.8a 56.2b 57.2a 137.0b 118.4a 20.4a 32.3a D5 94.8a 153.4a 13.6a 30.0a 1.4cd 2.0b 18.6a 22.0a 41.8b 53.0a 111.6b 112.6a 22.1a 30.9a D6 65.8b 127.4b 15.8a 35.8a 0.8d 1.4b 15.2b 16.8b 27.8b 38.4a 63.6b 69.8a 22.5a 32.8a 干旱半湿润区 Dry subhumid region D1 82.2a 109.9b 12.1b 14.8ab 3.6a 2.7b 15.7ab 15.2b 51.3a 42.7ab 109.2a 80.1b 23.9a 35.7a D2 90.8a 114.3ab 11.9b 112.5b 2.7b 3.4a 16.4a 15.9ab 49.2a 49.6a 102.8ab 92.4ab 23.8a 34.9a D3 92.2a 120.8a 14.0a 15.4ab 2.8b 3.4a 16.4a 17.2a 48.1ab 46.1ab 92.4ab 82.8b 22.8a 34.2ab D4 88.2a 113.3ab 12.0b 14.5ab 2.7b 2.7b 15.8ab 16.0ab 44.0ab 45.6ab 91.3ab 88.9ab 23.7a 34.8a D5 86.6a 119.4ab 12.3b 18.4a 2.2b 2.7b 14.6b 15.8ab 48.9a 39.2b 92.3ab 86.4ab 24.2a 29.8b D6 89.3a 110.5b 12.4b 13.7b 2.0b 2.8ab 15.5ab 16.8a 38.8b 50.6a 84.0b 104.8a 23.2a 34.7a 生态区Ecological region (E) *** ** ns *** *** *** *** 种植密度Planting density (D) ** ** *** ns *** *** ns 品种Cultivar (C) *** ** ns ns *** *** *** E×D *** * ** ns *** *** ns E×C *** ** *** ns *** *** ** D×C ** ns *** ns *** *** ns E×D×C *** ** * ns *** ** ns