Assessment of seasonal efficacy of different evaporation retardants in semi-arid tropics

Authors

  • M. L. JAT Dryland Farming Research Station, Maharana Pratap University of Agriculture & Technology, Arjia, Bhilwara–311001, Rajasthan.
  • R. SAMMAURIA Dryland Farming Research Station, Maharana Pratap University of Agriculture & Technology, Arjia, Bhilwara–311001, Rajasthan.
  • G. R. MARUTHI SANKAR AICRP for Dryland Agriculture, Central Research Institute for Dryland Agriculture, Santoshnagar, Hyderabad–500059, Andhra Pradesh
  • A. K. KOTHARI Dryland Farming Research Station, Maharana Pratap University of Agriculture & Technology, Arjia, Bhilwara–311001, Rajasthan.
  • S. K. SHARMA Dryland Farming Research Station, Maharana Pratap University of Agriculture & Technology, Arjia, Bhilwara–311001, Rajasthan
  • J. K. BALYAN Dryland Farming Research Station, Maharana Pratap University of Agriculture & Technology, Arjia, Bhilwara–311001, Rajasthan
  • P. K. MISHRA AICRP for Dryland Agriculture, Central Research Institute for Dryland Agriculture, Santoshnagar, Hyderabad–500059, Andhra Pradesh

DOI:

https://doi.org/10.54386/jam.v12i2.1311

Keywords:

Seasonal efficacy, evaporation retardants, poly films, maize stover, correlation

Abstract

An experiment was conducted in 2007–08 at Arjia, Rajasthan to evaluate the efficacies of different evaporation
retardants viz., Maize stover (6 kg m-2), Burnt oil (2 mm thick film), Poly film (50 micron), Cetyle alcohol
(2.2 kg ha-1) and Control in reducing evaporation from surface of water bodies. Results revealed that there was
significant relation between evaporation retardants and control treatments in pre-monsoon, monsoon and postmonsoon seasons. Due to application of different evaporation suppressants, on an average, maize stover resulted in lowest evaporation of 2.75 mm day-1, followed by poly film (2.94 mm day-1) and burnt oil (3.89 mm day-1). As compared to control, cetyle alcohol as surfactant resulted in the lowest mean reduction (31.3%) in evaporation. On an average, the maize stover caused mean reductions in evaporation to the tunes of 59 and 58% over different seasons in comparison with open pan evaporation and control treatments, respectively. Thus it is concluded that application of maize stover is proved to be the most effective method for suppression of evaporation from freewater
surfaces.

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Published

01-12-2010

How to Cite

M. L. JAT, R. SAMMAURIA, G. R. MARUTHI SANKAR, A. K. KOTHARI, S. K. SHARMA, J. K. BALYAN, & P. K. MISHRA. (2010). Assessment of seasonal efficacy of different evaporation retardants in semi-arid tropics. Journal of Agrometeorology, 12(2), 225–228. https://doi.org/10.54386/jam.v12i2.1311

Issue

Vol. 12 No. 2 (2010): December

Section

Research Paper

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