NDLI: China’s Food Security and Soil Water Management: A Green Water and Blue Water Approach

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China’s Food Security and Soil Water Management: A Green Water and Blue Water Approach

Content Provider	Scilit
Author	Lal, Rattan Stewart, B. A.
Copyright Year	2012
Description	Soil water plays a crucial role in regulating farm 'eld water balance (FWB) and soil-plantatmosphere continuum (SPAC), in which precipitation, surface water, groundwater, irrigation, soil evaporation, and plant transpiration are received and converted by soils of farm 'elds and exert interactive in¥uences on one another (Heilig et al. 2000; Li et al. 2000). The ultimate goal of soil water management is to increase the ef'ciency of output for per unit of water, that is, economic output produced by depleting unit volume of soil water. All the water that is consumed by crop growth and development occurs through the uptake of soil water by plant rooting systems, which in turn exert considerable in¥uences on the changes and conversion of soil water. Soil water is thus affected by precipitation, irrigation, percolation, and groundwater. Conversely, soil moisture determines both the intensity and the dif'culty of crops' uptake, thereby affecting crop growth and development and eventually the economic output of crops. Hence, soil water is a key to converting all water components involved in both FWB and SPAC. Book Name: Soil Water and Agronomic Productivity
Related Links	https://content.taylorfrancis.com/books/download?dac=C2010-0-36024-7&isbn=9780429107412&doi=10.1201/b12214-16&format=pdf
Ending Page	363
Page Count	22
Starting Page	342
DOI	10.1201/b12214-16
Language	English
Publisher	Informa UK Limited
Publisher Date	2012-06-19
Access Restriction	Open
Subject Keyword	Book Name: Soil Water and Agronomic Productivity Water Science and Technology Food Security Uptake Soil Water Output Conversely
Content Type	Text
Resource Type	Chapter

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