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Journal of Agronomy

Year: 2003  |  Volume: 2  |  Issue: 3  |  Page No.: 179 - 184

Fodder Yield and Quality of Sorghum (Sorghum bicolor L.) As Influenced by Different Tillage Methods and Seed Rates

M. Ayub, A. Tanveer, M. A. Nadeem and M. Tayyub

Abstract

A field was conducted at Faisalabad, Pakistan during 2001, to study the effect of 80, 100 and 120 kg seed rate ha-1 on sorghum (Sorghum bicolor L.) cultivar ‘Hegari’ grown on soil prepared by different tillage methods i.e. deep tillage (one ploughing with disc plough+two ploughing with cultivator+one planking), conventional tillage (two ploughings with cultivator+two planking) and zero tillage. The increase in seed rate significantly increased the green fodder (18-35%) and dry matter yields (21-40%) and yield components like plant density, plant height and number of leaves plant-1 but decreased the stem diameter (0.9-8%). The quality parameters like ash, crude fibre and crude protein contents were decreased and dry matter percent increased with increased seed rate. The deep tillage owing to more number of leaves plant-1 (11.21), plant density (47.30 m-2), plant height (193.13 cm) resulted in significantly greater dry matter (5.66 t ha-1) and green fodder yields (31.59 t ha-1) than zero tillage. The seed rate of 120 kg ha-1, sown on soil prepared by deep tillage proved to be the best combination for getting higher green fodder yield (35.15 t ha-1) of sorghum (Sorghum bicolor L.) cultivar ‘Hegari’ under Faisalabad conditions.

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