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Use of Polymers for Alleviating Moisture Stress and Improving Water Use Efficiency in Different Crops in Rainfed Areas

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Title Use of Polymers for Alleviating Moisture Stress and Improving Water Use Efficiency in Different Crops in Rainfed Areas
Use of Polymers for Alleviating Moisture Stress and Improving Water Use Efficiency in Different Crops in Rainfed Areas
 
Creator ICAR_CRIDA
 
Subject Water absorption polymers, rainfed cropping, water use efficiency
 
Description Not Available
This article reviews and summarizes the effect of incorporation of polymers into soil on
water holding capacity, soil properties, crop growth, water use efficiency in crops and
factors affecting the performance of polymers in increasing the water use efficiency.
Earlier studies clearly showed that application of super absorbent polymers (SAP) in
to the soil increase water use efficiency in crops. But the determination of optimum
amount of polymer for the best performance is influenced by many factors including,
climate, polymer type, soil type, temperature, plant species etc. In India, very little
research work has been done on use of polymers in agriculture. Of late, polymers are
being introduced in India by many firms with different trade names with an aim to
promote their use in dryland agriculture for saving water as well as fertilizer nutrients.
The rate of application of polymers recommended by different polymer suppliers
varies from 2.5 kg ha-1 to 60 kg ha-1 depending upon type of polymer, method of
application, crop etc. Because of the above factors, based on the work done abroad,
it is difficult to make general recommendations of polymers to different rainfed or
dryland crops grown by Indian Farmers in diversified climate, soil and management
without systematic research under local conditions and economic evaluation. Thus, it
is essential to research on the type, quantity and quality of the polymers under rainfed
conditions. This review paper comprehensively highlights the scope of research on
use of polymers for enhancing water use efficiency in rainfed conditions.
Not Available
 
Date 2021-02-25T08:27:32Z
2021-02-25T08:27:32Z
2013-01-01
 
Type Technical Report
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/45732
 
Language English
 
Relation Not Available;
 
Publisher K. Sammi Reddy*, K. L. Sharma, A. G. K. Reddy, A. K. Indoria, K. Srinivas, K. S. Reddy, B. Srinivas and B. Venkateswarlu