The use of cattle manure and their implication on soil chemical properties amongst the smallholder farms in Lushoto District, Tanzania
Adeoti AI. 2008. Factors influencing irrigation technology adoption and its impact on household poverty in Ghana. Journal of Agriculture and Rural Development in the Tropics and Subtropics (JARTS) 109(1), 51-63.
Baitilwake MA, De Bolle S, Salomez J, Mrema JP, De Neve S. 2011. Effects of manure nitrogen on vegetables’ yield and nitrogen efficiency in Tanzania. International Journal of Plant Production 5(4), 417-429.
Bot A, Benites J. 200). The importance of soil organic matter. key to drought-resistant soil and sustained food production. Organización de las Naciones Unidas para la Agriculturay la Alimentación. FAO. FAO soils bulletin.
Bressers E. 2014. Nutrient deficiencies and soil fertility constraints for common bean (Phaseolus vulgaris L.) production in the Usambara Mountains, northern Tanzania. M. Sc.), Wagenigen University, Wagenigen, Netherlands.
Carmo DLD, Lima LBD, Silva CA. 2016. Soil fertility and electrical conductivity affected by organic waste rates and nutrient inputs. Revista Brasileira de Ciência do Solo 40. http://dx.doi.org/10.1590/18069
Cofie O, Kranjac-Berisavljevic G, Drechsel P. 2005. The use of human waste for peri-urban agriculture in Northern Ghana. Renewable Agriculture and Food Systems 20(2), 73-80.
Eghball B, Ginting D, Gilley JE. 200. Residual effects of manure and compost applications on corn production and soil properties. Agronomy Journal 96(2), 442-447.
Ellert BH, Bettany JR. 1995. Calculation of organic matter and nutrients stored in soils under contrasting management regimes. Canadian Journal of Soil Science 75(4), 529-538. https://doi.org/10.4141/cjss95.
Faso B. 2004. Sustainable intensification of crop-livestock systems through manure management in eastern and western Africa: Lessons learned and emerging research opportunities. In Sustainable Crop-Livestock Production for Improved Livelihoods and Natural Resource Management in West Africa: Proceedings of an International Conference Held at the International Institute of Tropical Agriculture (IITA) Ibadan, Nigeria, 19-22 November 2001 (p. 173). ILRI (aka ILCA and ILRAD).
Gillman GP. 1981. Effects of pH and ionic strength on the cation exchange capacity of soils with variable charge. Soil Research 19(1), 93-96.
Gregorich EG, Carter MR. 2007. Soil sampling and methods of analysis. CRC Press.
Grisso RD, Alley MM, Holshouser DL, Thomason WE. 2005. Precision Farming Tools. Soil Electrical Conductivity.
Gyapong KAB, Ayisi CL. 2015. The effect of organic manures on soil fertility and microbial biomass carbon, nitrogen, and phosphorus under maize-cowpea intercropping system. Discourse Journal of Agriculture and Food Sciences 3(4), 65-77.
Harris F, Yusuf MA. 2001. Manure management by smallholder farmers in the Kano close-settled zone, Nigeria. Experimental Agriculture 37(3), 319-332. https://doi.org/10.1017/S0014479701003040
Henao J, Baanante C. 2006. Agricultural production and soil nutrient mining in Africa: Implications for resource conservation and policy development.
Herrero M, Grace D, Njuki J, Johnson N, Enahoro D, Silvestri S, Rufino MC. 2013. The roles of livestock in developing countries. Animal 7(s1), 3-18. https://doi.org/10.10 17/S17517 31112001954
Herrero M, Thornton PK, Gerber P, Reid RS. 2009. Livestock, livelihoods and the environment: understanding the trade-offs. Current Opinion in Environmental Sustainability 1(2), 111-120. https://doi.org/10.1016/j.cosust.2009.10.003
Kaihura FBS, Stocking M, Kahembe E. 2001. Soil management and agrodiversity: a case study from Arumeru, Arusha, Tanzania. In Proceedings of the Symposium on Managing Biodiversity in Agricultural Systems.
Karki AB, Expert B. 2006. Country Report on the Use of Bio-slurry in Nepal. Kathmandu: BSP-Nepal.
Ketema M, Bauer S. 2011. Determinants of Manure and Fertilizer Applications in Eastern Highlands of Ethiopia. Quarterly Journal of International Agriculture 50(3), 237.
Kiratu S, Märker L, Mwakolobo A. 2011. Food Security: The Tanzanian Case. Winnipeg: International Institute for Sustainable Development.
Ko HJ, Kim KY, Kim HT, Kim CN, Umeda M. 2008. Evaluation of maturity parameters and heavy metal contents in composts made from animal manure. Waste management 28(5), 813-820. https://doi.org/10.1016/j.wasman.2007.05.010
Kuepper G. 2000. Manures for organic crop production. ATTRA.
Lekasi JK, Tanner JC, Kimani SK, Harris PJC. 2001. Manure management in the Kenya highlands: practices and potential.
Lekasi JK, Tanner JC, Kimani SK, Harris PJC. 2003. Cattle manure quality in Maragua District, Central Kenya: effect of management practices and development of simple methods of assessment. Agriculture, ecosystems & environment 94(3), 289-298. https://doi.org/10.1016/S0167-88.
Liu Y, Villalba G, Ayres RU, Schroder H. 2008. Global phosphorus flows and environmental impacts from a consumption perspective. Journal of Industrial Ecology 12(2), 229-247. https://doi.org/ 10.1111/j.1530-9290.2008.00025.x
Lynch JP. 2011. Root phenes for enhanced soil exploration and phosphorus acquisition: tools for future crops. Plant physiology 156(3), 1041-1049. https://doi.org/10.1104/pp.111.175414
Maerere AP, Kimbi GG, Nonga DLM. 2001. Comparative effectiveness of animal manures on soil chemical properties, yield and root growth of amaranthus (Amaranthus cruentus L.). African Journal of Science and Technology 1(4). http://dx.doi.org/10.4314/ajst.v1i4.44623
Magdoff FR, Bartlett RJ. 1985. Soil pH Buffering Revisited1. Soil Science Society of America Journal 49(1), 145-148.
Mkhabela MS, Warman PR. 2005. The influence of municipal solid waste compost on yield, soil phosphorus availability and uptake by two vegetable crops grown in a Pugwash sandy loam soil in Nova Scotia. Agriculture, ecosystems & environment 106(1), 57-67. https://doi. org/10.1016/j.agee.2004.07.014
Ndakidemi PA, Semoka JMR. 2006. Soil Fertility Survey in Western Usambara Mountains, Northern Tanzania1. Pedosphere 16(2), 237-244. https://doi. org/10.1016/S1002-0160(06)60049-0
Ndakidemi PA. 2015. Dry bean response to fertilization using Minjingu phosphate rock and composted Tughutu (Vernonia subligera O. Hoffn). American Journal of Experimental Agriculture 6(1), 51-59.
Nkamleu GB, Adesina AA. 2000. Determinants of chemical input use in peri-urban lowland systems: bivariate probit analysis in Cameroon. Agricultural systems 63(2), 111-121. https://doi.org/10.1016/S03.
Nkonya E. 1998. Adoption of maize production technologies in Northern Tanzania. CIMMYT.
Reddy DD, Rao AS, Rupa TR. 2000. Effects of continuous use of cattle manure and fertilizer phosphorus on crop yields and soil organic phosphorus in a Vertisol. Bioresource Technology 75(2), 113-118. https://doi.org/10.1016/S0960-8524 (00)00050-X
Reeves DW. 1997. The role of soil organic matter in maintaining soil quality in continuous cropping systems. Soil and Tillage Research 43(1-2), 131-167. https://doi.org/10.1016/S0167-1987(97)00038-X
Richards LA. 1969. Diagnosis and improvement of saline and alkali soils. United States Department Of Agriculture; Washington.
Rodrı́guez H, Fraga R. 1999. Phosphate solubilizing bacteria and their role in plant growth promotion. Biotechnology advances 17(4-5), 319-339. https://doi.org/10.1016/S0734-9750(99)00014.
Rosen CJ, Bierman PM. 2005. Using manure and compost as nutrient sources for vegetable crops. University of Minnesota, Extension Service. USA.
Ross DS, Ketterings Q. 1995. Recommended methods for determining soil cation exchange capacity. Recommended soil testing procedures for the northeastern United States 2, 62-70.
Rukiko P, Machunda R, Mtei K. 2018. Cattle dung production, management and utilization practices in the smallholding dairy farming systems of East Africa: A situational analysis in Lushoto District, Tanzania. J. Bio. Env. Sci. 12(4), 84-95. https://goo.gl/kWTung
Sanchez PA, Palm CA, Buol SW. 2003. Fertility capability soil classification: a tool to help assess soil quality in the tropics. Geoderma 114(3-4), 157-185. https://doi.org/10.1016/S0016-7061(03)00040-5
Sanchez PA. 2002. Soil fertility and hunger in Africa. Science, 295(5562), 2019-2020. https://doi: 10.1126/science.1065256
Smaling EMA, Nandwa SM, Prestele H, Roetter R, Muchena FN. 1992. Yield response of maize to fertilizers and manure under different agro-ecological conditions in Kenya. Agriculture, ecosystems & environment 41(3-4), 241-252. https://doi.org/10.1016/0167-8809(92)90113-P
Vale GA, Grant IF, Dewhurst CF, Aigreau D. 2004. Biological and chemical assays of pyrethroids in cattle dung. Bulletin of Entomological Research 94(3), 273-282. https://doi.org/10.1079 /BER2004300
Waithaka MM, Thornton PK, Shepherd KD, Ndiwa NN. 2007. Factors affecting the use of fertilizers and manure by smallholders: the case of Vihiga, western Kenya. Nutrient Cycling in Agroecosystems 78(3), 211-224.
Walkley A, Black IA. 1934. An examination of the Degtjareff method for determining soil organic matter, and a proposed modification of the chromic acid titration method. Soil science 37(1), 29-38.