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178 articles for “Fertilizer”
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Research ArticleOpen accessEvery word in the titleNodulation and Biomass Yield Response of Cowpea to Row Spacing and Phosphorus Fertilizer Application in the Guinea Savanna Agro-Ecological Zone of GhanaAlhassan Bawa, Lukman YussifPhosphorus fertilizer application and planting distance play a major role in the production of shoot, root and nodule dry biomass of cowpea. However, phosphorus is a major limiting nutrient in soils in Ghana. Selection of cowpea varieties that produce good biomass yield under low soil phosphorus or those with high phosphorus response efficiency can be a low input approach in … …American Journal of Agricultural and Biological Sciences, Vol. 12, Issue 4 · 23 Jan 2018 · 8,231 accessesView PDFCite
Research ArticleOpen accessEvery word in the titlePotential Radiological Impacts of Phosphate Fertilizers Brands used in Southeast, NigeriaKenneth K. Agwu, Mark C. Okeji, Paschal TchokossaThe radionuclides present in phosphate fertilizers used in Southeast Nigeria were identified and their activity concentration determined to assess the potential radiological impact on the environment due to fertilizer applications in agricultural farm lands. The radioactivity concentration of 226Ra, 232Th and 40K in the fertilizer samples range from 13.22±1.83 to 87.37±8.98 Bqkg-1 for 226Ra (mean: 31.71±5.4 Bqkg-1), 0.78±0.07 to 47.65±6.05 … …American Journal of Applied Sciences, Vol. 14, Issue 6 · 12 May 2017 · 7,480 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEFFECT OF LIMING AND FERTILIZER APPLICATION IN HEMIC AND SAPRIC OF TROPICAL PEAT: PHOSPHORUS MINERALIZATION, INFRA-RED SPECTROSCOPY AND MICROSCOPYAmeera Abdul Reeza, Aminuddin Hussin, Ahmad Husni Mohd Hanif, Mohd Aspollah Md. SukariThis study was conducted to investigate the changes in nutrient level P as well as in the structural and functional groups upon the decomposition of Hemic and Sapric peat material due to application of lime and fertilizers. The peat materials were left to decompose for 8 weeks under laboratory incubation and samples were taken for the determination of extractable P … …American Journal of Agricultural and Biological Sciences, Vol. 9, Issue 3 · 31 Mar 2014 · 8,389 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleDrying Poultry Manure for Pollution Potential Reduction and Production of Organic FertilizerA. E. Ghaly, M. AlhattabDisposal and storage of raw poultry manure has become an environmental problem because of the associated air, water and soil pollution. Poultry manure begins to decompose immediately after excretion giving off ammonia which, in high concentrations, can have adverse effects on the health and productivity of birds as well as the health of the farm workers. Application to land is … …American Journal of Environmental Sciences, Vol. 9, Issue 2 · 13 Mar 2013 · 9,724 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAntagonistic Effects of Fertilizer on Photochemical Efficiency of Hibiscus cannabinus L. (Kenaf) Planted on Beach Ridges Interspersed with Swales SoilMohd-Hazimy Yusoff, Hazandy Abdul-Hamid, Arifin Abdu et al.Problem statement: Hibiscus cannabinus L. or Kenaf is a highly productive, warmseasonal C3 annual crop and is one of the potential candidates to substitute kenaf fiber as raw product for pulp and paper production. It survives well on less fertile soils including those of Beach Ridges Interspersed with Swales (BRIS) soil. Approach: The objective of this study was to determine … …American Journal of Agricultural and Biological Sciences, Vol. 6, Issue 3 · 19 Sep 2011 · 8,511 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleSeeking an Alternative Modality to the Management of Nigeria's Fertilizer Subsidy Scheme-An Empirical Approach to the Case Study of Ondo State (1976-1996)Victor O. Asekunowo, Grace T. Olutunla, Adebiyi G. DaramolaProblem statement: The objective of Nigeria’s fertilizer subsidy scheme was to make inorganic fertilizers readily available to farmers at affordable prices in order to boost food production in the country. Shortly into the scheme, farmers complained that fertilizers were not received at the time of need and in sufficient quantities. Approach: Using Ondo State, Nigeria as a case study, to … …Journal of Social Sciences, Vol. 6, Issue 3 · 30 Sep 2010 · 7,831 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEvaluation the Effects of Biological Fertilizer on Physiological Characteristic and Yield and its Components of Corn (Zea mays L.) Under Drought StressBarmak Jafari Haghighi, Zeynab Yarmahmodi, Omid AlizadehProblem statement: This experiment was carried out for study the effects of chemical and biological fertilizers and interaction between them on some physiological characteristic and yield and its components of seed corn in two different irrigation. Approach: The experiment was conducted in a split plot factorial with completely randomized block design using four replications. Sub plots consisted of combined application … …American Journal of Agricultural and Biological Sciences, Vol. 5, Issue 2 · 30 Jun 2010 · 8,484 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEffect of N and K Fertilizers on Nutrient Leaching and Groundwater Quality under Mature Oil Palm in Sabah during the Monsoon PeriodPetronella G. Ah Tung, Mohd Kamil Yusoff, Nik Muhamad Majid et al.Problem statement: The oil palms are mainly grown in the humid tropics with high rainfall. Soluble Nitrogen (N) and Potassium (K) fertilizers are commonly required by the oil palm plantations to maximize palm productivity due to the highly weathered soils with low fertility. Thus, leaching losses of N and K nutrients may be unavoidable and these nutrients may move further … …American Journal of Applied Sciences, Vol. 6, Issue 10 · 31 Oct 2009 · 10,143 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEffect of Organic Based N Fertilizer on Dry Matter (Zea mays L.), Ammonium and Nitrate Recovery in an Acid Soil of Sarawak, MalaysiaSusilawati Kasim, Osumanu Haruna Ahmed, Nik Muhamad Ab. Majid et al.Problem statement: Exchangeable ammonium (NH4+) could be recovered by humic and fulvic acids from humic substances. The ability of these acids in fixing or retaining NH4+ has been demonstrated in many findings and reports. Both acids could affect the plant growth, nutrients uptake by enhancing photosynthesis rate and root growth among others. Thus, in this study, the effect of both … …American Journal of Applied Sciences, Vol. 6, Issue 7 · 31 Jul 2009 · 8,244 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleInvestigating the Effect of Three Nitrate Fertilizers on Nitrate Leaching under the Root Zone in Clay Loam SoilThamer Ahmed Mohammed, M. Nooshin, Megat Johari Megat Mohd. Noor, A. LiaghatProblem statements: Nitrogen fertilizer is recognized as an important factor in crop’s yield level, however more application of N fertilizers in the soil have some adverse effects on environment and especially on groundwater contamination. Perception and recognition the factors influencing nitrate transport through soil profile is helpful for fertilizer management to minimize adverse impacts on environment and nitrate leaching below … …American Journal of Environmental Sciences, Vol. 5, Issue 3 · 30 Jun 2009 · 7,064 accessesView PDFCite