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(Article of periodic en Anglais - 2014)

Document title

Effectiveness of sustainable land management measures in West Usambara highlands, Tanzania

Authors(s) and Affiliation(s)

WICKAMA J. (1) ; OKOBA B. (2) ; STERCK G. (3) ;
(1) Agriculture Research Inst. Mlingano, Tanga, TANZANIE, REPUBLIQUE-UNIE DE
(2) Kenya Agricultural research Inst. Kabete, Nairobi, KENYA
(3) Dept. of Physical geography, Univ., Utrecht, PAYS-BAS

Abstract

The study was conducted in Lushoto District, north-eastern Tanzania. Sixty fields with five different sustainable land management (SLM) categories were studied. The bio-physical properties of the fields were determined, and measurements of meteorology, soil properties, soil erosion and crop yield were carried out during the period October 2009-June 2011. The results showed that the better SLM categories (SLM 1 and SLM 2) are preferentially implemented on less steep slopes, and they do stabilize the slope and reduce soil losses by water erosion significantly. The use of high amounts of farmyard manure on the terraces of SLM 1 and SLM 2 category fields resulted in a 3 to 4 times higher yield of maize compared to the control plots (SLM 5), while yield of beans increased 6 to 7 times compared to the control plots. Despite the use of farmyard manure on better managed fields, no significant improvements of soil fertility were found. This is probably because the amounts applied are too small to allow build-up of soil nutrients

Source

Article of periodic

published at : Catena / ISSN 0341-8162

Editor : Catena, Cremlingen-Destedt - ALLEMAGNE (1973)

Millesime : 2014, no118 [pp. 91-102]

Bibliographic references : 1 p.

Collation : 4 fig., 7 tabl.

Language

Anglais

INIST-CNRS, Cote INIST : 16767

Digital Object Identifier

Go to electronic document thanks to its DOI : doi:10.1016/j.catena.2014.01.013

Tous droits réservés © Prodig - Bibliographie Géographique Internationale (BGI), 2014
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