Soil And Water Conservation In Semi Arid Areas Pdf

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Published: 24.03.2021

Not a MyNAP member yet? Register for a free account to start saving and receiving special member only perks. Irrigation is required for high crop productivity when precipitation is inadequate to meet the crop evapotranspiration ET demand.

Plants for conservation of soil and water in arid ecosystems

Water Scarcity and Sustainable Agriculture in Semiarid Environment: Tools, Strategies and Challenges for Woody Crops explores the complex relationship between water scarcity and climate change, agricultural water-use efficiency, crop-water stress management and modeling water scarcity in woody crops. Understanding these cause- and effect relationships and identifying the most appropriate responses are critical for sustainable crop production. The book focuses on Mediterranean environments to explain how to determine the most appropriate strategy and implement an effective plan; however, core concepts are translational to other regions. Informative for those working in agricultural water management, irrigation and drainage, crop physiology and sustainable agriculture. Researchers, universities, policy makers, technicians, stakeholders, PhD students, and research institutions in agricultural water management, irrigation and drainage, crop physiology, and sustainable agriculture. Water-Energy Nexus in Irrigated Areas.

Soil and Water Conservation in Semi-Arid Areas

The main objective of soil moisture conservation is to minimize the amount of water lost from the soils through evaporation water loss directly from the soil and transpiration water loss occurring through the plants — or combined, the evapotranspiration. Preserving soil moisture is important means to maintain the necessary water for agricultural production, and also helps minimize irrigation needs of the crops. There is a variety of methods that can be used to conserve soil moisture. Most of these are relatively low cost and complexity approaches, primarily relying on the presence of required materials and technical capacity locally. Many of the methods rely on providing some kind of cover for the soil to minimize evapotranspiration and direct soil exposure to heat and sun.

Among these measures, contour bunding is the most widely practiced soil conservation measure in the semiarid tropics in India having medium.


Thank you for visiting nature. You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser or turn off compatibility mode in Internet Explorer. In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript. Mulching and tillage are widely considered to be major practices for improving soil and water conservation where water is scarce.

Metrics details. Soil erosion is among the foremost causes of declining soil resources in Ethiopia, which in turn affect agricultural productivity. To limit this problem, for the last two decades in Gumara watershed, soil and water conservation measures have been practiced through free labor community mass-mobilization. However, their effect on soil fertility has not been evaluated. This study investigated the impact of implemented soil and water conservation measures on fertility improvement in the Gumara watershed.

Limited natural resources are available on the planet under immense pressure due to the ever-increasing population and changing climate. Soil and water are fundamental natural resources for the agricultural production system. Anthropogenic and adverse natural activities are the major factors for the deterioration of natural resources. Among the various degradation processes, soil erosion is one of the serious threats for the deterioration of soil and water resources. In India, about

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