稻茬过晚播小麦高产密度和氮肥调控效应分析

张明伟, 丁锦峰, 朱新开, 郭文善

Analysis of High-Yielding Planting Density and Nitrogen Application in Super-Late Sowing Wheat Following Rice

Zhang Mingwei, Ding Jinfeng, Zhu Xinkai, Guo Wenshan

表6 密度、施氮量与运筹比例对过晚播小麦籽粒品质调控的影响

Table 6 Effects of density and nitrogen amounts and ratio on grain quality of super-late sowing wheat

年份 Year 因素 Factor 蛋白质含量 Protein content (%) 湿面筋含量 Wet gluten content (%) 淀粉含量 Starch content (%) 容重 Bulk weight (g/L) 沉降值 Sedimentation value (mL) 2015-2016 密度 (×104/hm2) 270 15.17a 31.74a 62.19a 848.54b 39.43b 330 14.89a 32.52a 61.58a 849.70b 41.41a 390 14.55a 31.10a 62.78a 857.46a 38.93b 施氮量 (kg/hm2) 180 14.21b 30.61b 62.61a 855.60a 37.70b 225 14.85ab 31.78ab 62.17a 854.00a 40.49a 270 15.55a 33.98a 61.77a 846.10b 41.58a 氮肥运筹 4:2:1:3 15.12a 32.08a 62.04a 849.72a 40.39a 5:1:2:2 14.76a 31.76a 62.21a 852.34a 39.29a 6:0:2:2 14.72a 31.53a 62.29a 853.63a 40.08a 2016-2017 密度 (×104/hm2) 270 15.67a 33.28a 59.63a 856.82a 38.08ab 330 15.26a 34.79a 59.53a 858.76a 39.82a 390 14.66b 33.28a 59.68a 861.85a 37.69b 施氮量 (kg/hm2) 180 14.63b 32.88b 59.98a 860.66a 36.07c 225 15.15ab 33.80ab 59.49a 859.72a 38.77b 270 15.81a 34.67a 59.37a 857.04a 40.76a 氮肥运筹 4:2:1:3 15.42a 33.77a 59.38a 859.22a 38.59a 5:1:2:2 15.19a 33.78a 59.69a 858.84a 38.24a 6:0:2:2 14.97a 33.80a 59.77a 859.36a 38.76a