Various tillage systems and sowing methods affect growth and yield related characters of cotton

Muhammad Irfan, Hakoomat Ali, Shakeel Ahmad, Abdul Sattar, Ahsan Areeb, Shabir Hussain, Rana Nauman Shabbir, Naeem Sarwar, Fida Hussain

Abstract


Seedbed preparation and sowing methods play significant role in obtaining good crop yields. To explore the agronomic productivity and economic efficacy of different tillage and sowing methods in cotton, a two year field study was conducted during 2010 and 2011. The experiment comprised of two tillage systems viz; conventional tillage (one time disc harrow + two cultivations + planking) and deep tillage (chiseling twice + one cultivation + planking) along with three sowing methods viz; flat sowing, ridge sowing and bed sowing. Split plot design was used with three replications. Deep tillage amplified seed cotton yields by 18.7% and 11.14% during 2010 and 2011, respectively. Bed sowing exhibited higher yield contributing traits such as number of opened bolls per plant and boll weight as compared to ridge and flat sowing. Deep tillage with bed sowing gave maximum net returns of USD 1407.88 with BCR of 1.81 during the year 2010, while during 2011 it was USD 783.50 with BCR 1.45. Bulk density of the soil was found lower in the upper layer of soil surface as compared to lower surface under deep tillage systems as compared to conventional tillage systems. It was concluded that deep tillage produced more number of plants which contributed towards highest seed cotton yield. Moreover deep tillage was more costly except in bed sowing of cotton crop. The interactive effect of tillage systems and sowing methods were found non significant during both years of study.

Keywords


Gossypium hirsutum; Bed sowing; Bulk density; Root penetration; net return

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References


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DOI: https://doi.org/10.33687/jacm.002.01.3187

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