施氮量对高粱产量、品质及氮利用效率的影响

曹晓燕, 武爱莲, 王劲松, 董二伟, 焦晓燕

Effects of Nitrogen Fertilization on Yield, Quality and Nitrogen Utilization Efficiency of Sorghum

Cao Xiaoyan, Wu Ailian, Wang Jinsong, Dong Erwei, Jiao Xiaoyan

表1 施氮量对高粱产量和收获指数的影响

Table 1 Effects of N fertilization on grain yield and harvest index of sorghum

处理Treatment 千粒重 1000-grain weight (g) 穗粒数 Grains number per panicle 籽粒产量(g/盆) Grain yield (g/pot) 收获指数 Harvest index (%) N0 16.82±0.28c 113.12±3.08c 5.70±0.11c 27.57±0.59c N1 21.98±0.32b 354.41±11.18b 23.35±0.47b 45.50±0.43a N2 22.60±2.04b 448.99±25.52a 29.60±0.79b 47.42±0.70a N3 22.23±1.35b 545.10±37.34a 34.21±0.81a 49.51±0.78a N4 28.80±0.46a 366.50±13.95b 31.64±1.11b 44.57±0.01a N5 23.76±0.43b 296.60±9.54b 21.12±0.54b 42.25±1.17b