Soil Tillage Effect in Cotton Crop
Aug 3, 2018

WCRC WCRC2

ABSTRACT
An experiment to study the impact of five methods of tillage on soil physical aspects and cotton growth was established in Thessaly Greece in 1996 in order to reduce inputs in the cotton crop. The methods included conventional tillage with ploughing at 25cm, reduced tillage with heavy cultivator at 20 cm, reduced with rotary cultivator at 15cm, reduced with disc harrow at 8 cm and no-tillage. Soil in reduced tilled plots had a higher bulk density, shear strength and resistance to penetration. Cotton plants grown under reduced methods of tillage had delayed emergence, reduced growth, less bolls and lower yields. At harvest, conventional tillage gave the best yield with 4 t/ha of seed cotton followed by heavy cultivator with 3.8 t/ha. The methods of rotary cultivator and disk harrow yielded much less, with 3.2 t/ha. The no-tillage plots gave 2.8 t/ha of seed cotton and were last of all.


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