Abarchi, I., Zhang, Z., Vanlauwe, B., Guo, X., Wang, W., Ong'Or, B. T. I. and Timbely, D. (2009). Effects of plant age and rock phosphate on quality and nutrient release of legume residue. Pedosphere 19:78–85.
Barea, J. M., Toro, M., Orozco, M.O., Campos, E. and Azcon, R. (2002). The application of isotopic (32P and 15N) dilution techniques to evaluate the interactive effect of phosphate-solubilizing rhizobacteria, mycorrhizal fungi and Rhizobium to improve the agronomic efficiency of rock phosphate for legume crops. Nutrient Cycling in Agroecosystems 63:35–42.
Barrios, E. and Trejo, M. T. (2003). Implications of local soil knowledge for integrated soil management in Latin America. Geoderma 111(3-4):217–231. doi:10.1016/S0016-7061(02)00265-3
Bloom, A., Chapin, F. III and Mooney, H. (1985). Resource limitation in plants–an economic analogy. Annual Review of Ecology and Systematics 16:363–392.
Charanworapan, C., Suddhiprakarn, A., Kheoruenromne, I., Wiriyakitnateekul, W. and Gilkes, R. J. (2014). Influence of soil properties on amounts of bicarbonate-extractable p in soils incubated with three thai phosphate rocks of contrasting mineralogies. Soil Science 179(7):340–347. doi:10.1097/SS.0000000000000073
Chaudhary, M. I., Adu-Gyamfi, J. J., Saneoka, H., Nguyen Tran, N., Suwa, R., Kanai, S., El-Shemy, H. A., Lightfoot, D. A. and Fujita, K. (2008). The effect of phosphorus deficiency on nutrient uptake, nitrogen fixation and photosynthetic rate in mashbean, mungbean and soybean. Acta Physiologiae Plantarum 30:537–544.
Demolon, A., Boischot, P. and Lajon, J. (1953). Reaction of various soils to application of phosphate fertilizers; its importance in establishing fertilizer practice. Annales Agronomiques 4:291–330.
Devau, N., Le Cadre, E., Hinsinger, P., Jaillard, B. and Gerard, F. (2009). Soil pH controls the environmental availability of phosphorus: Experimental and mechanistic modelling approaches. Applied Geochemistry 24(11), 2163–2174. doi:10.1016/j.apgeochem.2009.09.020
Doll, E. C., Miller, H. F. and Freeman, J. F. (1960). Initial and residual effects of rock phosphate and superphosphate. Agronomy Journal 52:247–250.
Drinkwater, L. E., Schipanski, M., Snapp, S. and Jackson, L. E. (2008). Ecologically-based nutrient management, In Agricultural Systems: Agroecology and Rural Innovation for Development, 159–208 (Eds Snapp, S. and Pound, B.). San Diego, CA: Academic Press.
Duran Zuazo, V. H. and Rodriguez Pleguezuelo, C. R. (2008). Soil-erosion and runoff prevention by plant covers. A Review. Agronomy for Sustainable Development 28:65–86.
Egashira, K., Uchida, S. and Nakashima, S. (1997). Aluminum-humus complexes for accumulation of organic matter in black-colored soils under grass vegetation in Bolivia. Soil Science and Plant Nutrition 43:25–33.
Fonte, S., Vanek, S., Oyarzun, P., Parsa, S., Quintero, D., Rao, I. and Lavelle, P. (2012). Pathways to agroecological intensification of soil fertility management by smallholder farmers in the Andean highlands. Advances in Agronomy 2012:125–184.
Franke, A. C., van den Brand, G. J. and Giller, K. E. (2014). Which farmers benefit most from sustainable intensification? An ex-ante impact assessment of expanding grain legume production in Malawi. European Journal of Agronomy 58:28–38. doi:10.1016/j.eja.2014.04.002
Giller, K. E., Rowe, E. C., de Ridder, N. and van Keulen, H. (2006). Resource use dynamics and interactions in the tropics: scaling up in space and time. Agricultural Systems 88:8–27
Henry, A., Chaves, N. F., Kleinman, P. J. A. and Lynch, J. P. (2010). Will nutrient-efficient genotypes mine the soil? Effects of genetic differences in root architecture in common bean (Phaseolus vulgaris L.) on soil phosphorus depletion in a low-input agro-ecosystem in Central America. Field Crops Research 115:67–78.
Herlihy, M. and McGrath, D. (2007). Phosphorus fractions and adsorption characteristics in grassland soils of varied soil phosphorus status. Nutrient Cycling in Agroecosystems 77:15–27.
Hocking, P. J. and Jeffery, S. (2004). Cluster-root production and organic anion exudation in a group of old-world lupins and a new-world lupin. Plant and Soil 258:135–150.
Johnson, N. C. (2010). Resource stoichiometry elucidates the structure and function of arbuscular mycorrhizas across scales. New Phytologist 185:631–647.
Khasawneh, F. E. and Doll, E. C. (1978). The use of phosphate rock for direct application to soils. Advances in Agronomy 30:159–206.
Koske, R. E. and Gemma, J. N. (1989). A modified procedure for staining roots to detect VA mycorrhizas. Mycological Research 92:486–488.
Lajtha, K. and Schlesinger, W. H. (1988). The biogeochemistry of phosphorus cycling and phosphorus availability along a desert soil chronosequence. Ecology 69:24–39.
Lehmann, J., Lan, Z., Hyland, C., Sato, S., Solomon, D. and Ketterings, Q. M. (2005) Long-term dynamics of phosphorus forms and retention in manure-amended soils. Environmental Science & Technology 39:6672–6680.
Mafongoya, P. L., Bationo, A., Kihara, J. and Waswa, B. S. (2006). Appropriate technologies to replenish soil fertility in southern Africa. Nutrient Cycling in Agroecosystems 76:137–151.
Mamo, M. and Wortmann, C. (2009). Phosphorus sorption as affected by soil properties and termite activity in eastern and Southern Africa. Soil Science Society of America Journal 73:2170–2176.
Marschner, H. (1995). Mineral Nutrition of Higher Plants. 2nd edn. London: Academic Press.
Nijjer, S., Rogers, W. E. and Siemann, E. (2010). The impacts of fertilization on mycorrhizal production and investment in western gulf coast grasslands. American Midland Naturalist 163:124–133.
Ojiem, J. O., De Ridder, N., Vanlauwe, B. and Giller, K. E. (2006) Socio-ecological niche: A conceptual framework for integration of legumes in smallholder farming systems. International Journal of Agricultural Sustainability 4:79–93.
Perez, M. J., Smyth, T. J. and Israel, D. W. (2007). Comparative effects of two forage species on rhizosphere acidification and solubilization of phosphate rocks of different reactivity. Journal of Plant Nutrition 30:1421–1439.
Qin, H., Lu, K., Strong, P. J., Xu, Q., Wu, Q., Xu, Z., Xu, J. and Wang, H. (2015). Long-term fertilizer application effects on the soil, root arbuscular mycorrhizal fungi and community composition in rotation agriculture. Applied Soil Ecology 89:35–43. doi:10.1016/j.apsoil.2015.01.008
Shearer, G. and Kohl, D. H. (1986). N2-fixation in field settings: Estimations based on natural 15N abundance. Australian Journal of Plant Physiology 13:699–756.
Smyth, T. J. and Sanchez, P. A. (1982). Phosphate rock dissolution and availability in Cerrado soils as affected by phosphorus sorption capacity. Soil Science Society of America Journal 46:339–345.
Snapp, S. S. and Lynch, J. P. (1996). Phosphorus distribution and remobilization in bean plants as influenced by phosphorus nutrition. Crop Science 36:929–935.
Snapp, S.-S., Mafongoya, P.-L. and Waddington, S. (1998). Organic matter technologies for integrated nutrient management in smallholder cropping systems of southern Africa. Agriculture Ecosystems and Environment 71:185–200.
Somado, E. A., Sahrawat, K. L. and Kuehne, R. F. (2006). Rock phosphate-P enhances biomass and nitrogen accumulation by legumes in upland crop production systems in humid West Africa. Biology and Fertility of Soils 43:124–130.
Tiessen, H. and Moir, J. O. (1993). Characterization of available P by sequential extraction. In Soil Sampling and Methods of Analysis, 229–241 (Ed Carter, M. R.). Boca Raton: Lewis Publishers.
Toledo, V. M. (2002). Ethnoecology: A conceptual framework for the study of indigenous knowledge on nature. In Ethnobiology and Biocultural Diversity: Proceedings of the Seventh International Congress of Ethnobiology, 511–522 (Eds Stepp, J. R., Wyndham, F. S. and Zarger, R.). Athens: University of Georgia Press.
Vanek, S. J. and Drinkwater, L. E. (2013). Environmental, social, and management drivers of soil nutrient mass balances in an extensive andean cropping system. Ecosystems 16(8):1517–1535. doi:10.1007/s10021-013-9699-3.
Vanlauwe, B., Diels, J., Sanginga, N., Carsky, R. J., Deckers, J. and Merckx, R. (2000). Utilization of rock phosphate by crops on a representative toposequence in the Northern Guinea savanna zone of Nigeria: response by maize to previous herbaceous legume cropping and rock phosphate treatments. Soil Biology & Biochemistry 32:2079–2090.
Villaroel, J. (1988). Eficiencia agronómica de la aplicación directa de roca fosfórica y su efecto residual en cultivos de papa y gramíneas en suelos moderadamente ácidos 6. Cochabamba: AGRUCO.
WinklerPrins, A. and Barrera-Bassols, N. (2004). Latin American ethnopedology: A vision of its past, present, and future. Agriculture and Human Values 21:139–156. doi:10.1023/B:AHUM.0000029405.37237.c8
Zingore, S., Murwira, H. K., Delve, R. J. and Giller, K. E. (2008). Variable grain legume yields, responses to phosphorus and rotational effects on maize across soil fertility gradients on African smallholder farms. Nutrient Cycling in Agroecosystems 80:1–18. doi:10.1007/s10705-007-9117-3