Characters of new wheat varieties in Ningxia and analysis compare with Ningchun4
guan jing-de1 wang xiao-liang2 li jian-ping3 li fu-sheng1chen dong-sheng2 du hong-juan1 lv xun-jun1(1.ningxia yongning agrometeorological experimental station; yongning 750105; china; 2.institution of crop research; ningxia academy of agricultural sciences; yongning 750105; china; 3.ningxia institute of meteorology; yinchuan 750002; china)
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