氮肥运筹对湘南双季杂交稻生长发育与稻米品质的影响

袁帅, 苏雨婷, 陈平平, 易镇邪

Effects of Nitrogen Management on Yield Formation and Rice Quality of Double Cropping Hybrid Rice in Southern Hunan

Yuan Shuai, Su Yuting, Chen Pingping, Yi Zhenxie

表6 氮肥运筹对稻米加工及蒸煮品质的影响

Table 6 Effects of nitrogen management on rice milling and cooking quality of rice

季别 Season 品种 Variety 处理 Treatment 糙米率 Brown rice rate (%) 精米率 Milled rice rate (%) 整精米率 Head rice rate (%) 直链淀粉含量 Amylose content (%) 胶稠度 Gel consistency (mm) 早稻Early rice 株两优819 N1 78.23b 69.67b 59.02b 19.06a 51.8a N2 80.71a 71.59a 62.41a 18.58ab 48.8b N3 79.33b 69.95b 59.95b 18.06b 49.2b 陆两优996 N1 78.67b 69.76b 56.51a 18.59a 57.0a N2 81.36a 72.06a 57.93a 17.19b 56.5a N3 80.07ab 70.02b 56.75a 17.25b 51.7b 晚稻Late rice 盛泰优018 N1 81.61b 74.20b 65.78b 13.11a 79.5a N2 83.55a 76.18a 68.23a 12.81ab 74.5b N3 82.29ab 74.56b 64.10b 12.60b 73.0b H优518 N1 82.89b 73.92b 62.10ab 12.86a 75.5a N2 83.61a 74.15a 63.24a 12.31b 73.0ab N3 82.74b 73.78b 60.23b 12.26b 71.0b