不同肥力条件下施肥对粒用高粱产量、品质及养分吸收利用的影响

王劲松,董二伟,武爱莲,白文斌,王媛,焦晓燕

Responses of Fertilization on Sorghum Grain Yield, Quality and Nutrient Utilization to Soil Fertility

JinSong WANG,ErWei DONG,AiLian WU,WenBin BAI,Yuan WANG,XiaoYan JIAO

表2 不同肥力条件下施肥对籽粒品质的影响

Table 2 Effects of fertilization on grain quality with different soil fertility

土壤肥力 Soil fertility 处理 Treatment 总淀粉 Total starch (%) 淀粉组成 单宁 Tannic (g·kg-1) 蛋白质 Protein (g·kg-1) 直链淀粉 Amylose (%) 支链淀粉 Amylopectin (%) LSF NF 69.69±0.47a 20.66±0.10a 79.34±0.10a 13.69±0.86a 50.98±2.73d CF 67.99±0.53bc 20.83±0.87a 79.17±0.87a 10.53±0.28b 108.13±2.72b MSF NF 69.33±0.52ab 20.67±0.50a 79.33±0.50a 10.67±0.69b 51.75±0.86d CF 65.50±1.61c 20.89±0.50a 79.11±0.50a 10.07±0.61b 118.13±2.53a HSF NF 69.70±0.27a 21.32±0.57a 78.68±0.57a 10.78±0.34b 68.54±1.71c CF 60.75±2.13d 22.45±0.84a 77.55±0.84a 7.80±0.42c 117.19±0.54a 土壤肥力Soil fertility (S) * NS NS ** ** 施肥处理Fertilizer (F) ** NS NS ** ** 肥力×施肥 S×F * NS NS NS **