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Pakistan Journal of Biological Sciences

Year: 2002 | Volume: 5 | Issue: 3 | Page No.: 266-268
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Authors

Ayed Abdelrazzag

Keywords

Research Article

Effect of Chicken Manure, Sheep Manure and Inorganic Fertilizer on Yield and Nutrients Uptake by Onion

Ayed Abdelrazzag
The current study aims at investigating the effect of chicken and sheep manure at rates of 20,40, and 80 t ha‾1, as well as inorganic fertilizers at rate of 400 kg N ha‾1, 200 kg P2O5 ha‾1 and 100 kg K2O ha‾1 on yields, nutrient content, leaf area and dry weight of onion yield. The results revealed that there was no significant difference in yield of onion bulbs due to chicken manure in both years, but in general the yield increased significantly with sheep manure and inorganic fertilizer. In general the yield of onion bulbs was higher in the second year compared with the first year.
There was a significant difference in leaf area of onion only between sheep manure at level of 20 and 40 t/h with 20t ha‾1 of chicken manure only in first year. Under certain circumstances it was found that some treatments showed a significant effect on nutrient concentration of plant tissue except potassium.
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