Biological Nitrogen Fixation for Sustainable Agriculture pdf epub mobi txt 電子書 下載 2024


Biological Nitrogen Fixation for Sustainable Agriculture

簡體網頁||繁體網頁
Ladha, J. K./ George, T./ Bohlool, B. B. (EDT)
Kluwer Academic Print on Demand
1992-5
223
$ 303.97
HRD
9780792317746

圖書標籤:  


喜歡 Biological Nitrogen Fixation for Sustainable Agriculture 的讀者還喜歡




點擊這裡下載
    


想要找書就要到 小哈圖書下載中心
立刻按 ctrl+D收藏本頁
你會得到大驚喜!!

发表于2024-11-29

Biological Nitrogen Fixation for Sustainable Agriculture epub 下載 mobi 下載 pdf 下載 txt 電子書 下載 2024

Biological Nitrogen Fixation for Sustainable Agriculture epub 下載 mobi 下載 pdf 下載 txt 電子書 下載 2024

Biological Nitrogen Fixation for Sustainable Agriculture pdf epub mobi txt 電子書 下載 2024



圖書描述

Chemical fertilizers have had a significant impact on food production in the recent past, and are today an indispensable part of modern agriculture. On the other hand, the oil crisis of the 1970s and the current Middle East problems are constant reminders of the vulnerability of our fossil fuel dependent agriculture. There are vast areas of the developing world where N fertilizers are neither available nor affordable and, in most of these countries, balance of payment problems have resulted in the removal of N fertilizer subsidies. The external costs of environmental degradation and human health far exceed economic concerns. Input efficiency of N fertilizer is one of the lowest and, in turn, contributes substantially to environmental pollution. Nitrate in ground and surface waters and the threat to the stability of the ozone layer from gaseous oxides of nitrogen are major health and environmental concerns. The removal of large quantities of crop produce from the land also depletes soil of its native N reserves. Another concern is the decline in crop yields under continuous use of N fertilizers. These economic, environmental and production considerations dictate that biological alternatives which can augment, and in some cases replace, N fertilizers must be exploited. Long-term sustainability of agricultural systems must rely on the use and effective management of internal resources. The process of biological nitrogen fixation offers and economically attractive and ecologically sound means of reducing external nitrogen input and improving the quality and quantity of internal resources. In this book, we outline sustainability issues that dictate an increased use of biological nitrogen fixation and the constraints on its optimal use in agriculture.

Biological Nitrogen Fixation for Sustainable Agriculture 下載 mobi epub pdf txt 電子書

著者簡介


圖書目錄


Biological Nitrogen Fixation for Sustainable Agriculture pdf epub mobi txt 電子書 下載
想要找書就要到 小哈圖書下載中心
立刻按 ctrl+D收藏本頁
你會得到大驚喜!!

用戶評價

評分

評分

評分

評分

評分

讀後感

評分

評分

評分

評分

評分

類似圖書 點擊查看全場最低價

Biological Nitrogen Fixation for Sustainable Agriculture pdf epub mobi txt 電子書 下載 2024


分享鏈接





相關圖書




本站所有內容均為互聯網搜索引擎提供的公開搜索信息,本站不存儲任何數據與內容,任何內容與數據均與本站無關,如有需要請聯繫相關搜索引擎包括但不限於百度google,bing,sogou

友情鏈接

© 2024 qciss.net All Rights Reserved. 小哈圖書下載中心 版权所有