Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitlePhosphorus availability under alley cropping and mulched and unmulched sole cropping systems in Costa RicaAuthorsBeer, J. W.; Haggar, J. P.; Warren, G. P.; Kass, D.SubjectsCOSTA Rica; AGROFORESTRY; HEDGEROW intercropping; PHOSPHORUSPublicationPlant & Soil, 1991, Vol 137, Issue 2, p275ISSN0032-079XPublication typeArticle