Abstract
The organic residues play significant role in the improvement of soil environments and nutrient availability for better crop production. The efficiency of manures, crop residues, industrial by-products and city sweeps was studied. 250 kg of soil was mixed with each of farmyard manure (1
M. Saeed, , Samia Naheed Akhtar,, M. Rashid , T. Siddique' . (1997) EFFECT OF ORGANIC RESIDUES INCORPORATION ON AVAILABLE P AND K , The Journal Soil & Environment , Volume 13, Issue (1-4).
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