Conservation Agriculture for combating land degradation in Central Asia: a synthesis
Date
2016-04-19Date Issued
2016-12-31ISI journal
Impact factor: 0 (Year: 2016)
Author(s)
Citation
Aziz Nurbekov, Akmal Akramkhanov, Amir Kassam, Dossymbek Sydyk, Zokhid Ziyadullaev, Johannes Lamers. (31/12/2016). Conservation Agriculture for combating land degradation in Central Asia: a synthesis. AIMS Agriculture and Food, 1 (2), pp. 144-156.
Abstract
This manuscript reviews scientific findings on agricultural systems, associated land
degradation and selected remedies such as Conservation Agricultural (CA) practices to
counterbalance these. In particular, this review addresses the research findings on CA practices
conducted in the rainfed and irrigated systems in Central Asia. The arid and semi-arid croplands in
this region are vulnerable to different types of soil and environmental degradation, and particularly to
degradation caused by intensive tillage, irrigation water mismanagement, and cropping practices,
especially in the Aral Sea Basin. Overall, the evidence shows that various CA elements, such as
permanent beds, seems to be technically suitable for the major cropping systems and despite the
heterogeneous conditions in the region. CA practices can contribute to combating on-going land
degradation. No-till seeding along with the maintenance of a permanent soil coverage e.g. by residue
retention, reduces wind and water erosion, increases water infiltration and storage which can reduce
crop water stress, improve soil quality and increase soil organic matter. Further, CA practices can
lead to similar or even higher crop yields while reducing production resource needs and costs
considerably, including fuel, seeds, agrochemicals, water and labour. Nevertheless, the growing
research evidence on the productivity, economic and environmental benefits that can be harnessed
with CA, still is from a limited number of studies and hence more research at local scale is needed.
Author(s) ORCID(s)
Akramkhanov, Akmalhttps://orcid.org/0000-0002-4316-5580
Subject(s)
AGROVOC Keywords
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