Effect of long term application of sewag
Nutrient Cycling in Agroecosystems 59: 13–18, 2001.
© 2001 Kluwer Academic Publishers. Printed in the Netherlands.
13
Effect of long-term application of sewage sludge to a grazed grass pasture
on organic carbon and nutrients of a clay soil in Zimbabwe
J. Nyamangara & J. Mzezewa
Chemistry and Soil Research Institute, P.O. Box CY 550, Causeway, Harare, Zimbabwe
e-mail: justice@csri.icon.co.zw
Received 20 May 1999; accepted in revised form 4 January 2000
Key words: long-term application, sewage sludge, soil nutrients
Abstract
A study was conducted to assess the nutrient status of a Zimbabwean vlei clay soil grown to a Kikuyu (Pennisetum
clandestinum Chiov.) grass pasture which had been amended with sewage sludge for 19 years. There was a
significant (P
© 2001 Kluwer Academic Publishers. Printed in the Netherlands.
13
Effect of long-term application of sewage sludge to a grazed grass pasture
on organic carbon and nutrients of a clay soil in Zimbabwe
J. Nyamangara & J. Mzezewa
Chemistry and Soil Research Institute, P.O. Box CY 550, Causeway, Harare, Zimbabwe
e-mail: justice@csri.icon.co.zw
Received 20 May 1999; accepted in revised form 4 January 2000
Key words: long-term application, sewage sludge, soil nutrients
Abstract
A study was conducted to assess the nutrient status of a Zimbabwean vlei clay soil grown to a Kikuyu (Pennisetum
clandestinum Chiov.) grass pasture which had been amended with sewage sludge for 19 years. There was a
significant (P