تلخیص
Lahore city waste was added @ 300 M g fur' to a silt loam (Satghara series, Typic Halorthides) soil to study its effect with time on soil organic matter, extractable Phosphorus (P) and potassium (K) under saline-sodic and sodic conditions. City waste application resulted an increase in soil organic matter (OM) content and extractable P and K concentration. Extractable amounts aft and K decreased SO per cent after 470 daysf»f waste application while decrease in OM levels was slightly slow and progressive from 5 per cent level to about 1 per cent at the end of the project time. It was also observed that decay of organic materials was slightly slower in saline-sodic soil than in sodic conditions. Plant analytical data revealed high concentrations of cobalt (Co), cadmium (Cd), cromium (Cr) and lead (Pb) in rice plants grown on waste treated fields as compared to non-treated field
S. M. Minn, , M. Akram, , Z. Ahmad, , Dan Yousaf, M. Z. Rashid' . (1996) IMPACT OF CITY WASTE (SQltt*) APPLICATION ON SOIL FERTILITY STATUS AND HEAVY METAL ACCLWUtATfON IN SALINE-SODIC AND SODIC SblLS , The Journal Soil & Environment , Volume 12, Issue (3-4).
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