 | Costa Rica) CATIE (Turrialba - 1989 - 202 páginas
Nitrogen fixing trees as green manure for upland Taro in West Samoa . Nitrogen Fixing Tree Research Reports . Vol 3 : 67-69 . 2.2.9.15.8 . Krukoff , B.A. 1979. Notes on the species of Erythrina . XIII Phytologia . 41 ( 4 ) : 256-300 . | |
 | 136 páginas
Feed information summaries and nutritive values . FAO , Rome . 165 pp . 7.1.15.7 . Kidd , T.J. and T. Taogaga . 1985. Nitrogen Fixing Trees as green manure for upland Taro in Western Samoa . Nitrogen Fixing Tree Research Reports . | |
 | 290 páginas
Determine what percentage of the nitrogen added to the system by Erythrina is from symbiotic nitrogen fixation , what percentage is added to the soil from the ... Nitrogen fixing trees as green manure for upland Taro in West Samoa . | |
 | H. W. Fassbender - 1993 - 540 páginas
El ecosistema natural, los recursos naturales, los agroecosistemas y sus modelos edafologicos; Los agroecosistemas, con especial referencia a los sistemas de produccion agroflorestales; El ciclo del agua; Ciclo de la materia organica; Ciclo ... | |
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