养蜂人之苦
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蜜蜂授粉是重要的农业投入要素,经济价值巨大。蜜蜂授粉对于我国农业总产值的产出弹性显著为正,增加蜜蜂授粉投入能够显著增加我国农业总产值。蜜蜂授粉对我国36种作物生产贡献的经济价值高达3042.20亿元,占这些作物总产值的36.25%,相当于全国农业总产值的12.30%,是我国养蜂业总产值的76倍。
在各种作物中,蜜蜂授粉对水果坚果类的贡献最大,达1779亿元,占总价值的58.48%。蜜蜂授粉对于棉花、油菜籽、大豆等产业贡献巨大,每年蜜蜂授粉为棉花和油菜籽贡献的价值分别高达458.36亿元和164.82亿元,相当于这两类作物产值的43.00%和76.00%。
http://cdmd.cnki.com.cn/Article/CDMD-10389-1012425550.htm
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