Soil Fertility Status of Smallholder Farms in Northern Highlands, Tanzania
Amani H. 2004. Agricultural development and food security in sub-Saharan Africa Tanzania Country report. Economic and Social Research Foundation (ESRF). Dar Es Salaam, p 1-93.
Anderson G. 1973. Potassium responses of various crops in East Africa. In: Proceedings of the 10th Colloquium of the International Potash Institute. International Potash Institute, Abidjan, Ivory Coast, p 113-437.
Asadu C, Diels J, Vanlauwe B. 1997. A comparison of the Contributions of Clay, Silt, and Organic Matter to the Effective Cec of Soils of Subsaharan Africa. Soil science 162(11), 785-794.
Bekunda MA, Bationo A, Ssali H. 1997. Soil fertility management in Africa: A review of selected research trials. SSSA Special Publication 51, 63-80.
Boyle M, Frankenberger W, Stolzy L. 1989. The influence of organic matter on soil aggregation and water infiltration. Journal of Production Agriculture 2 (4), 290-299.
Brady N, Weil R. 2002. The nature and properties of soil. pearsonEducation. Inc. uper Saddle river, NewJeresy, p 143-192.
Dative I, Xavier NF. 2018. Investigation of Soil Status in Degraded Soils from Tantalum Mining in Gatumba, Rwanda. World 5(1), 141-146.
Facelli JM, Pickett ST. 1991. Plant litter: its dynamics and effects on plant community structure. The botanical review 57(1), 1-32.
Giller KE, Amijee F, Brodrick SJ, McGrath S, Mushi C, Edje OT, Smithson JB. 1992. Toxic concentrations of iron and manganese in leaves of Phaseolus vulgaris L. growing on freely‐drained soils of pH 6.5 in Northern Tanzania. Communications in soil science and plant analysis 23(15-16), 1663-1669.
Gudu S, Kisinyo P, Makatiani E, Odee D, Esegu J, Shamchama S, Othieno C, Okalebo J, Osiyo J, Owuoche J. 2009. Screening of Sesbania for tolerance to aluminum toxicity and symbiotic effectiveness with acid tolerant rhizobia strains in acid soil in Western Kenya. Experimental Agriculture 45(4), 417-427. https://doi.org/10.1017/S0014479709990044
Hartemink A, Van Kekem A. 1994. Nutrient depletion in Ferralsols under hybrid sisal cultivation in Tanzania. Soil Use and Management 10(3), 103-107. https://doi.org/10.1111/j.1475-2743.1994.tb00468.x
Hede AR, Skovmand B, López-Cesati J. 2001.Acid Soils and Aluminum Toxicity. In: Reynolds, M.P., J.I. Ortiz-Monasterio, and A. McNab (eds.). 2001. Application of Physiology in Wheat Breeding. Mexico, D.F. CIMMYT., p 246.
Hedley MJ, Bolan, NS. 2003. Role of carbon, nitrogen, and sulfur cycles in soil acidification, Handbook of soil acidity. CRC Press, p 43-70.
Kalala, AM, Amuri, NA, Semoka JM. 2017. Optimum Levels of Phosphorus and Potassium for Rice in Lowland Areas of Kilombero District, Tanzania. Agriculture, Forestry and Fisheries 4(1), 26-33. http://dx.doi.org/10.11648/j.aff.20170601.14
Kibblewhite M, Ritz K, Swift M. 2007. Soil health in agricultural systems. Philosophical Transactions of the Royal Society B: Biological Sciences 363(1492), 685-701. https://doi.org/10.1098/rstb.2007.2178
Kiriba D, Thuita M, Semu E, Ikerra, S, Msanya B, Masso C. 2019. Maize response to chemical and microbial products on two Tanzanian soils. Journal of Agricultural Science 11(2), 1-11. https://dx.doi.org/10.5539/jas.v11n2p71.
Kunhikrishnan A, Thangarajan R, Bolan N, Xu Y, Mandal S, Gleeson D, Seshadri B, Zaman M, Barton L, Tang C. 2016. Functional relationships of soil acidification, liming, and greenhouse gas flux, Advances in agronomy. Elsevier, p 1-71.
Landon JR. 2014. Booker tropical soil manual: a handbook for soil survey and agricultural land evaluation in the tropics and subtropics. Routledgepp.
Lebron I, Suarez D, Yoshida T. 2002. Gypsum effect on the aggregate size and geometry of three sodic soils under reclamation. Soil Science Society of America Journal 66(1), 92-98. http://dx.doi.org/10.2136/sssaj2002.9200.
Lindsay WL, Norvell WA. 1978. Development of a DTPA soil test for zinc, iron, manganese, and copper 1. Soil Science Society of America Journal 42(3), 421-428. http://dx.doi.org/10.2136/sssaj1978.03615995004200030009x.
Ludwig B, Khanna P, Anurugsa B, Fölster H. 2001. Assessment of cation and anion exchange and pH buffering in an Amazonian Ultisol. Geoderma 102 (1-2), 27-40. https://doi.org/10.1016/S0016-7061(00)00099-9.
Makoi J, Ndakidemi PA. 2008. Selected chemical properties of soil in the traditional irrigation schemes of the Mbulu district, Tanzania. African Journal of Agricultural Research 3(5), 348-356.
Makoi JH, Ndakidemi PA. 2007. Reclamation of sodic soils in northern Tanzania, using locally available organic and inorganic resources. African Journal of Biotechnology 6(16), 1926-19. http://dx.doi.org/10.5897/AJB2007.000-2292
Malley ZJ, Semoka JMR, Kamasho JA, Kabungo CV. 2006. Participatory assessment of soil degradation in the uplands of southwestern Tanzania: Implications for sustainable agriculture and rural livelihoods. The International Journal of Sustainable Development and World Ecology 13(3), 183-197. https://doi.org/10.1080/13504500609469671
Masunga S, Swilla L, Tendwa S. 2019. Evaluation of Soil Fertility Status for Maize (Zea mays) Production in Moshi Rural, Kilimanjaro Region Tanzania. Asian Journal of Soil Science and Plant Nutrition. 1-8.
Mmbaga GW, Mtei KM, Ndakidemi PA. 2015. Yield and fiscal benefits of rhizobium inoculation supplemented with phosphorus (P) and potassium (K) in climbing beans (Phaseolus vulgaris L.) grown in Northern Tanzania. Agricultural Sciences 6(8), 783. http://dx.doi.org/10.4236/as.2015.68076.
Moberg J. 2000. Soil and plant analysis manual. The Royal Veterinary and Agricultural University, Chemistry Department, Copenhagen, Denmark. 133
Mohammadi K, Sohrabi Y. 2012. Bacterial biofertilizers for sustainable crop production: a review. ARPN Journal of Agricultural and Biological Science 7, 307-316.
Motsara M, Roy RN. 2008. Guide to laboratory establishment for plant nutrient analysis. Food and Agriculture Organization of the United Nations Romepp.
Msanya BM. 2012. Guide to general rating of some chemical and physical soil properties. SUA. Morogoro, Tanzania. Sokoine University of Agriculture Press. 1-3.
Ndakidemi P, Dakora F, Nkonya E, Ringo D, Mansoor H. 2006. Yield and economic benefits of common bean (Phaseolus vulgaris) and soybean (Glycine max) inoculation in northern Tanzania. Australian Journal of Experimental Agriculture 46(4), 571-577. https://doi.org/10.1071/EA03157
Ndakidemi P, Semoka J. 2006. Soil fertility survey in western Usambara Mountains, northern Tanzania. 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). Journal of Experimental Agriculture International 6(1), 51-59. https://doi.org/10.9734/AJEA/2015/7426
Ngailo J, Wickama J, Nyaki A, Kaswamila A. 2001. Nutrient flow analysis for selected farming systems in northern Tanzania: the case of Mbulu, Moshi rural and Lushoto Districts 5, 49-64. https://edepot.wur.nl/481327.
Nyaki A. 1993. Wheat production and research in Tanzania: Constraints and Sustainability. In: The Eighth Regional Wheat Workshop for Eastern, Central and Southern Africa, p 42-50.
Nyoki D, Ndakidemi PA. 2016. Effects of rhizobia inoculation, phosphorus and potassium on chlorophyll concentration of soybean grown under maize intercropping system. International Journal of Plant and Soil Science 13, 1-10. http://dx.doi.org/10.9734/IJPSS/2016/30710
Nyoki D, Ndakidemi PA. 2017. Growth response of Bradyrhizobium inoculated soybean grown under maize intercropping systems, and P and K fertilization. International Journal of Biosciences 10, 323-334. http://dx.doi.org/10.12692/ijb/10.3.323-334
Nyoki D, Ndakidemi PA. 2018. Yield Response of Intercropped Soybean and Maize Under Rhizobia (Bradyrhizobium japonicum) Inoculation and P and K Fertilization. Communications in soil science and plant analysis 49(10), 1168-1185. https://doi.org/10.1080/00103624.2018.1455846.
Okalebo JR, Gathua KW, Woomer PL. 2002. Laboratory methods of soil and plant analysis: a working manual second edition p 21.
Opala P, Okalebo J, Othieno C, Kisinyo P. 2010. Effect of organic and inorganic phosphorus sources on maize yields in an acid soil in western Kenya. Nutrient cycling in agroecosystems 86 (3), 317-329.
Rahhi YA. 2011. Determination of profitable crop production options for Bashay irrigation schemes in Mbulu district, Tanzania, Dissertation for Award of Master degree at Sokoine University of Agriculture, Morogoro, Tanzania, p 100.
Rengel Z, Tang C. 2003. Role of plant cation/anion uptake ratio in soil acidification, Handbook of soil acidity. CRC Press, Western Australia, p 71-96.
Reyes T, Quiroz R, Luukkanen O, De Mendiburu F. 2009. Spice crops agroforestry systems in the East Usambara Mountains, Tanzania: growth analysis. Agroforestry systems 76(3), 513-523.
Roy R, Nabhan H. 2001. Soil and nutrient management in Sub-Saharan Africa in support of the soil fertility initiative: Proceedings of the expert consultation Food and Agriculture Organization of the United Nations. Rome, p 1-376.
Rutherford P, McGill W, Arocena J, Figueiredo C. 2007. Total nitrogen, Soil sampling and methods of analysis. CRC Press, p 239-245.
Sanchez PA, Logan TJ. 1992. Myths and science about the chemistry and fertility of soils in the tropics. SSSA Special Publication 29, 35-35.
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
Schoenholtz SH, Van Miegroet H, Burger J. 2000. A review of chemical and physical properties as indicators of forest soil quality: challenges and opportunities. Forest ecology and management 138 (1-3), 335-356. https://doi.org/10.1016/S0378-1127(00)00423-0
Schwertmann U, Herbillon AJ. 1992. Some aspects of fertility associated with the mineralogy of highly weathered tropical soils. Myths and Science of Soils of the Tropics 47-59.
Scoones I. 2001. Dynamics and diversity : soil fertility management and farming livelihoods in Africa:case studies from Ethiopia, Mali, and Zimbawe. Earthscan Publications Ltd. London and New York., p 77.
Sebastiani SK, Mgonja A, Urio F, Ndondi T. 2005. Response of sweetpotato (Ipomoea batatas) to application of nitrogen and phosphorus fertilizers in the northern highlands of Tanzania. In: II International Symposium on Sweetpotato and Cassava: Innovative Technologies for Commercialization, p 219-224.
Simon Z, Mtei K, Gessesse A, Ndakidemi PA. 2014. Isolation and characterization of nitrogen fixing rhizobia from cultivated and uncultivated soils of northern Tanzania. American Journal of Plant Sciences 5(26), 4050. http://dx.doi.org/10.4236/ajps.2014.526423.
Smaling EM, Braun A. 1996. Soil fertility research in sub‐Saharan Africa: New dimensions, new challenges. Communications in soil science and plant analysis 27(3-4), 365-386. http://dx.doi.org/10.1080/00103629609369562.
Vågen T, Shepherd KD, Walsh MG, Winowiecki L, Desta LT, Tondoh JE. 2010. AfSIS technical specifications: soil health surveillance. Africa Soil Information Service (AfSIS). Nairobi, Kenya: World Agroforestry Centre.
Viets F. 1974. Testing soils for zinc, copper, manganese and iron. Soil testing and plant analysis 153-172.