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Acta Agriculturae Boreali-Sinica
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中文
A Mathematical Model for Estimating Grain Yield Losses by Poor Sunflower Stands at Seedling Stage
Qiao Chungui, Hu Qi, Zhao Jianwei, Shan Limin, Wang Fujun, Zhang Fenghe
ACTA AGRICULTURAE BOREALI-SINICA . 1993, (
3
): 118 -121 . DOI: 10.3321/j.issn:1000-7091.1993.03.022
