Pakistan Research Repository


Dr. Nazir, Hussian (2006) FINAL REPORT Project PSF(2003-2006) APPROPRIATE COMPOSTING TECHNOLOGY FOR RICE-WHEAT SYSTEM IN NORMAL AND SALT-AFFECTED SOILS. Project Report. (PSF) , Pakistan Science Foundation (PSF) Islamabad, .

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SUMMARY The soils of Pakistan are low in organic matter due to which over all fertility status is not higher enough to give the good yield of different crops. Among the causes of low organic matter are high temperature, low rainfall and removal of almost all the crop residues except the roots. The mechanical harvesting and threshing of crops, especially rice and wheat have aggravated the situation. Burning of rice and wheat straw has become a popular practice among farmers. To ensure the good productivity of crops, the organic matter contents have definitely to be raised. But after the introduction of chemical fertilizers, the conventional sources of organic matter like farmyard manure (FYM) and the green manure have almost been left gradually. Resultantly, the organic matter status of Pakistan soils has already reached the bare minimum. The present project was planned and approved by Pakistan Science Foundation to standardize the composting technology and assess its usefulness in enhancing fertility status and reclamation of salt-affected soils resulting in more crop yields. The project was approved for 3 years with a total cost of Rs.3, 75,615/-. Soil Salinity Research Institute, Pindi Bhattian and University of Kassel, Witzenhausen, Germany collaborated to accomplish this work. Soil Salinity Research Institute implemented this project while the University was playing only the guiding role, if and when needed. Rice and wheat straw were composted successfully in constructed pits of 4x4x4 feet. Chopped material was piled in 5 cm layers alternated with thin layer (2 cm) of farmyard manure and incubated at moisture of 40-50 %. Well-rotten compost was, thus, prepared in 60-70 days. Five experiments on rice as well as wheat were conducted to assess the usefulness of the produced compost. Three experiments were carried out in the field and two in the Wire house. The themes of these experiments were to assess the level of compost with or without chemical fertilizers, comparison of compost with FYM and Sesbania green manure. The efficiency of compost in reclamation of salt-affected soils was also evaluated. The salient results of different experiments are as under:

Item Type:Monograph (Project Report)
Subjects:Agriculture & Veterinary Sciences(a)
ID Code:1996
Deposited By:Dr. Nazir Hussian
Deposited On:09 Feb 2009 22:42
Last Modified:09 Feb 2009 22:43

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