volume 44 issue 3 (september 2010) : 189 - 194
INFLUENCE OF POLYETHYLENE MULCHING ON SOIL MOISTURE, NUTRIENT UPTAKE AND SEED COTTON YIELD
1Agricultural Research Station,
University of Agricultural Science, Dharwad-580 007, India
ABSTRACT
The study was conducted on medium deep black soils at during kharif season of 2005-06
under rainfed conditions to study the effect of polyethylene mulching (75,100 and 125 micron
thickness ) and no-mulch (main plots ) on the status of soil moisture, microbial population in
soil and uptake of nutrients by different cotton genotypes (RCH 20 Bt, DHB 290, DHH 11,
Sahana, Jayadhar and DLsa 17) as sub plots. Results revealed that mulching in cotton with poly
ethylene film of varying thickness has improved the seed cotton yield to the extent of 11 to 27
per cent as compared to no-mulch crop. Among the genotypes tested, RCH-20 Bt was far superior
than other hirsutum/desi cotton varieties/hybrids and it has given 35 to 154 per cent more yield
than other genotypes. Also, mulching in cotton with PE film has retained more moisture in top
as well as in deeper soil layers throughout crop growth than no-mulch treatment Desi cottons
have retained slightly more moisture than others during cropping period. Uptake of nutrients
like N,P and K by the crop was better due to poly ethylene mulching and it was still higher when
mulched with thicker PE film.
under rainfed conditions to study the effect of polyethylene mulching (75,100 and 125 micron
thickness ) and no-mulch (main plots ) on the status of soil moisture, microbial population in
soil and uptake of nutrients by different cotton genotypes (RCH 20 Bt, DHB 290, DHH 11,
Sahana, Jayadhar and DLsa 17) as sub plots. Results revealed that mulching in cotton with poly
ethylene film of varying thickness has improved the seed cotton yield to the extent of 11 to 27
per cent as compared to no-mulch crop. Among the genotypes tested, RCH-20 Bt was far superior
than other hirsutum/desi cotton varieties/hybrids and it has given 35 to 154 per cent more yield
than other genotypes. Also, mulching in cotton with PE film has retained more moisture in top
as well as in deeper soil layers throughout crop growth than no-mulch treatment Desi cottons
have retained slightly more moisture than others during cropping period. Uptake of nutrients
like N,P and K by the crop was better due to poly ethylene mulching and it was still higher when
mulched with thicker PE film.
REFERENCES
- Blaise, D., (2004), In Int. Symp. on “Strategies for Sustainable Cotton Production – A Global vision” Crop Production,
- held 23-25 November, 2004 hold at Univ. Agric. Sci., Dharwad, pp. 21-30.
- Elias, F. and Goldhamer, A. D., (1991), California Agric., 45 : 25-28.
- Finck,A and Venkateswarlu,J (1982), In :12th International Congress of Soil Science, New Delhi, India,61-79
- Nalayini, P. et. al.,(2004), In: Int. Symp. on “Strategies for Sustainable Cotton Production – A Global vision” Crop
- Production, held 23-25 November, 2004,pp75-77
- Paul, K. I. et. al.,(2003), Eur. J. Soil Sci., 54 : 39-47.
- Singh et al.,(1999), Fertil. News,44(5),27-30 & 33-38.
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Copyright :
This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Indian Journal of Agricultural Research
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