Biomass production of some leguminous shrubs and trees in Vietnam
[摘要] Sevenspeciesoflegumetreesandshrubs:Gliricidiasepium,Leucaenaleucocephala,Indigoferateysamii,Acaciamangium,Acaciaauriculiformis,Flemingiacongesta,andDesmodiumransoniiwereplantedaccordingtoarandomizedcompleteblockdesignonthepodzolsoiloftheUniversityexperimentalfarmatThuDuc,HoChiMinhcity.FlemingiaandDesmodiumwereplantedbyseed;theotherspeciesweretransplantedbyseedlings.Fivetonnes/haofgoatmanureandcropresidueswereappliedinpitsbeforeplanting;60kgP2O5and40kgK2O/haofchemicalfertilizerswereappliedeachyear.Onetimeweedingwasdonetwomonthsafterplanting.Ediblepartsofthesespecieswereusedinanintaketrialwithagroupofyounggoats.Theresultsofthreeharvestsinatotalperiodofsixteenmonthsafterplantingindicated:(i)forbiomassproductioninpoorsoil,Indigoferateysamii,GliricidiasepiumandtheAcaciasppwerehighestinranking;(ii)Gliricidiasepium,Indigoferateysamiiwerethebestchoiceinfodderproductionforgoats.TheleavesoftheAcaciaspp,althoughwithalowdigestibility,stillplayanimportantroleinsolvingtheshortageofgrassonpoorsoilsandinadryzone.
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[效力级别] [学科分类] 农业科学(综合)
[关键词] [时效性]