Evaluation of wheat and rice varieties under conservation and natural farming systems
Loading...
![Thumbnail Image](assets/images/Item.jpg)
Date
2022-08-22
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
palampur
Abstract
A field experiment was conducted from rabi 2019-20 to kharif 2021 at the Experimental
Farms of Department of Agronomy, CSK Himachal Pradesh Krishi Vishvavidyalaya,
Palampur and at Rice and Wheat Research centre (RWRC) Malan (H.P.) to study the
performance of wheat and rice varieties under different cultivation system. The objective of
the investigation was to identify the varieties specially suited for different cultivation
practices. The soil of the experimental field at both the locations was silty clay loam in
texture, acidic in reaction, medium in organic carbon, medium in available nitrogen,
phosphorus and potassium in content. The experiment was laid out in split plot design with
four cultivation practices namely reduced tillage, zero tillage, conventional tillage and natural
farming in main plot and three varieties each of wheat (HPW 349, HPW 368 and HS 562) and
rice viz., Sukara Dhan 1 (HPR 1156), Him Palam Dhan 1 (HPR 2656) and Him Palam Lal
Dhan 1 (HPR 2795) in sub plots, replicated thrice. Results so obtained revealed that
conventional tillage resulted in significantly higher values of growth, yield attributes and
yield of both the crops at both the locations though the adoption of reduced tillage, in which
secondary tillage is avoided both the crop residues were used gave comparable yield in wheat.
Among the wheat varieties tested HPW 368 recorded significantly higher values of growth
parameter, yield attributes and yield while rice variety Him Palam Lal Dhan 1 recorded
significantly higher values of yield attributes and yield at both the locations. Significantly
lower values of yield attributes and yield were recorded in natural farming treatment in both
the crops and at both the locations Higher value of economic indicators were recorded in
conventional tillage in both the crops while natural farming resulted in the lowest values of
gross return, net return and B:C ratio. Bulk density and water holding capacity of soil was not
influences by cultivation practices as well as varieties while significantly higher values of
available nutrients as well as higher organic carbon was recorded in reduced tillage while
lowest values were recorded in natural farming. In case of wheat, conventional tillage and
HPW 368 while in case of rice, conventional tillage and Him Palam Lal Dhan 1 (HPR 2795)
were found to be the best treatments for better growth & higher productivity and profitability
of wheat- rice cropping system.