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【英美经典教材】《农学的教科书》(英文)【已搜索，无重复】
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【英美经典教材】《A Textbook of Agronomy》【已搜索，无重复】 我的这本书： 作者：B. Chandrasekaran， K. Annadurai， E.Somasundaram 2010年，856 页，PDF，6 MB。 Language: English . 封面： 。  。 简介： The challenges before the Agricultural Scientists of our country today are much more complex than even before. The first issue and the cause of some major problems in the future - the depletion of the ozone layer, threatens the inhabitants of Earth due to the advent of harmful ultraviolet radiation. The second issue - global warming and the plight of Antarctica, involves the melting of polar ice caps threatening our coastal regions in the future. Forecast of increase in average temperatures, higher sea levels and changes in rainfall patterns will all have a negative impact on crop production, especially in the tropics.nbsp; Food production has to benbsp; increased to 240 m.t. within the next five years. To achieve the massive target, very little scope and possibility exist in respect of horizontal expansion. Crop production and production technologies are of almost important for successful and economic cultivation of field crops. Under these circumstances, important and relevant informations are collected and compiled in a book form titled ``A Textbook of Agronomy``. ========================================== 敬请各位朋友，下载之后，给个回帖评价。我也好继续推出下一个最新科技书籍。 (不下载，也可以评价。) 谢谢！ |
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2014-07-05 07:07:23, 6.31 M
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