夏玉米籽粒含水率对机械粒收质量的影响

李璐璐,薛军,谢瑞芝,王克如,明博,侯鹏,高尚,李少昆

Effects of Grain Moisture Content on Mechanical Grain Harvesting Quality of Summer Maize

Lu-Lu LI,Jun XUE,Rui-Zhi XIE,Ke-Ru WANG,Bo MING,Peng HOU,Shang GAO,Shao-Kun LI

表2 三组籽粒含水率相近玉米品种收获质量方差分析(2017)

Table 2 Variance analysis of harvesting qualities of three maize groups with equally close moisture contents (2017)

品种 Cultivar 指标 Indicator 收获时间 Harvest time (month/day) 10/6 10/16 10/27 11/10 11/25 迪卡653 Dika 653 含水率Moisture content (%) 38.04 33.93 27.08 19.22 12.49 辽单575 Liaodan 575 含水率Moisture content (%) 37.96 34.64 26.47 19.39 14.35 破碎率Broken rate ns ** ns ** * 杂质率Impurity rate ns ns ns ns ns 落粒率Grain loss rate — * ns * * 落穗率Ear loss rate — — ns ns ** 金通152 Jintong 152 含水率Moisture content (%) 37.13 32.46 25.66 22.70 12.69 陕单636 Shaandan 636 含水率Moisture content (%) 37.61 33.19 25.34 22.08 12.35 破碎率Broken rate ** * ** ns ** 杂质率Impurity rate ns ** ns ns ns 落粒率Grain loss rate — ns ns ns ns 落穗率Ear loss rate — ns ns ns ns 泽玉501 Zeyu 501 含水率Moisture content (%) 36.89 33.93 27.47 19.13 13.17 中科玉505 Zhongkeyu 505 含水率Moisture content (%) 36.05 33.65 27.05 18.25 12.88 破碎率Broken rate * ns ** * * 杂质率Impurity rate ns ns * ns * 落粒率Grain loss rate ns ns ns ns ns 落穗率Ear loss rate — — ns ns ns