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Agroforestry Systems 36: 131-149, 1997. © 1997 Kluwer Academic Publishers. Printed in the Netherlands. S h a d e - b a s e d control of cover crops Imperata cylindrica: tree fallows and K. G. M A C D I C K E N 1, K. H A I R I A H 2, A. O T S A M O 3, B. D U G U M A 4 and N. M. M A J I D 5 1Winrock International Institute for hoidenish Development, 11030 159th Ave. S.E., Snohomish, WA 98290, USA; 2Laboratorium Kimia Tanah, Faculty of Agriculture, Brawijaya University, Malang, Indonesia; 3Balai Teknologi Reboisasi, Banjarbaru, South Kalimantan, Indonesia; 41RA/ICRAF, Yaounde, Cameroon; 5Faculty of Forestry, Universiti Pertanian Malaysia, Serdang, Malaysia Key spoken intercourse: argument, light, planned fallows, tree plantations Abstract. lmperata is shade-intolerant, although little is known of the relative roles of controversy for light, water and nutrients in curbing its growth. Shading of lmperata results in bring down gelt storage, reduced rhizome and tuber-b ulb production, reduced shoot wry weight, increase susceptibility to disputation, increased susceptibility to herbicides and decreased zing/regeneration.

nonwoody cover crops in the genera Calapogonium, Crotoleria, Mucuna and Pueraria have been shown to in effect muffle Imperata growth and can be engaged to nix and in some cases eradicate lmperata. Tree fallows with fast-growing species such(prenominal) as Sesbania sesban, Acacia nilotica and Leucaena leucocephala can improve soil physical and chemical substance properties and suppress weed growth. Forest plantations have been successfully used, particularly w ith the use of moderate to high tillage, wee! ding and fertilizer inputs to suppress lmperata growth. These plantations beget sellable wood and reclaim the site for other uses. redundant query is needed to evaluate the specific nature of competition and allelopathic effectuate from Imperata. Continued evaluation of tree species and provenances for lmperata suppression, forms of tillage after woody...If you deficiency to get a full essay, order it on our website: BestEssayCheap.com

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