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Rao, Idupulapati M. ,  Barrios, E. ,  Oberson, Astrid ,  Ayarza, Miguel Angel ,  Friesen, Dennis K. ,  [Opportunities for increasing the efficiency of phosphorus use in tropical agroecosystems] ,  Opportunities for increasing the efficiency of phosphorus use in tropical agroecosystems

Kabaija, E. ,  Smith, O.B. ,  [Effects of phosphorus supplementation upon the performance of West African Dwarf lambs] ,  Effects of phosphorus supplementation upon the performance of West African Dwarf lambs

Kahurananga, J. ,  [Intercropping Ethiopian Trifolium species with wheat] ,  Intercropping Ethiopian Trifolium species with wheat

Lupwayi, N.Z. ,  Haque, I. ,  Saka, A.R. ,  Siaw, D.E.K.A. ,  [Leucaena hedgerow intercropping and cattle manure application in the Ethiopian highlands. II. Maize yields and nutrient uptake] ,  Leucaena hedgerow intercropping and cattle manure application in the Ethiopian highlands. II. Maize yields and nutrient uptake

Mamo, T. ,  Haque, I. ,  [Phosphorus status of some Ethiopian soils. II. Forms and distribution of inorganic phosphates and their relation to available phosphorus] ,  Phosphorus status of some Ethiopian soils. II. Forms and distribution of inorganic phosphates and their relation to available phosphorus

Mamo, T. ,  Parsons, J.W. ,  [Phosphorus-micronutrient interactions in teff (Eragrostis tef)] ,  Phosphorus-micronutrient interactions in teff (Eragrostis tef)

Nnadi, L.A. ,  Haque, I. ,  Mugwira, L.M. ,  [Phosphorus response and mineral composition of Ethiopian highland Trifolium (clover) species] ,  Phosphorus response and mineral composition of Ethiopian highland Trifolium (clover) species

Mohamed-Saleem, M.A. ,  Kaufmann, Ralph R. von ,  [Effect of phosphorus application on the productivity and quality of three Stylosanthes cultivars] ,  Effect of phosphorus application on the productivity and quality of three Stylosanthes cultivars

Mamo, T. ,  Haque, I. ,  [Phosphorus status of some Ethiopian soils. III. Evaluation of soil test methods for available phosphorus] ,  Phosphorus status of some Ethiopian soils. III. Evaluation of soil test methods for available phosphorus

Odongo, N.E. ,  Hyoung-Ho, K. ,  Choi, H.C. ,  Straaten, P. van ,  McBride, B.W. ,  Romney, D.L. ,  [Improving rock phosphate availability through feeding, mixing and processing with composting manure] ,  Improving rock phosphate availability through feeding, mixing and processing with composting manure