Calculation and Analysis of Contribution Rate of Agricultural Scientific and Technological Progress in China's Main Grain Production Region

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Chinese Agricultural Science Bulletin ›› 2014, Vol. 30 ›› Issue (29) : 53-59. DOI: 10.11924/j.issn.1000-6850.2014-0448

Calculation and Analysis of Contribution Rate of Agricultural Scientific and Technological Progress in China's Main Grain Production Region

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{{article.zuoZheEn_L}}. {{article.title_en}}. {{journal.qiKanMingCheng_EN}}. 2014, 30(29): 53-59 https://doi.org/10.11924/j.issn.1000-6850.2014-0448

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