Conservation Agriculture

Conventional agriculture has largely been characterized by tillage, which leaves soil vulnerable to erosion. Continuous use of conventional farming practices with conventional tillage and burning crop residues has degraded the soil resource base and intensified soil degradation, with concomitant...

पूर्ण विवरण

में बचाया:
ग्रंथसूची विवरण
मुख्य लेखकों: Farooq, Muhammad, Siddique, Kadambot H. M
स्वरूप: पुस्तक
भाषा:English
प्रकाशित: Springer 2015
विषय:
ऑनलाइन पहुंच:https://scholar.dlu.edu.vn/thuvienso/handle/DLU123456789/57279
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विवरण
सारांश:Conventional agriculture has largely been characterized by tillage, which leaves soil vulnerable to erosion. Continuous use of conventional farming practices with conventional tillage and burning crop residues has degraded the soil resource base and intensified soil degradation, with concomitant decreases in crop production ca pacity. Soil loss is expected to be a critical issue for global agricultural production under conventional farming practices. For instance, global erosion rates from con ventionally ploughed agricultural fields averaged one to two orders of magnitude greater than erosion under native vegetation, long-term geological erosion and rates of soil production. Likewise, conventional tillage has also made agriculture a major contributor to global warming due to increasing greenhouse gas emissions. Soil and vegetation on the earth’s land surface store three times as much carbon as is present in the earth’s atmosphere. Land clearing and degradation turn this valuable carbon sink into a major source of greenhouse gas emissions...