36 results for “Mineral Soil”

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Research ArticleOpen accessIn the abstractSimple and Rapid Method of Isolating Humic Acids from Tropical Peat Soils (Saprists)Shamsuddin Rosliza, Osumanu Haruna Ahmed, Kasim Susilawati et al.Problem Statement: The isolation (extraction, fractionation and purification) of humic acids (HA) from soils is laborious, time consuming and expensive. The extraction, fractionation and purification periods of these substances vary from 12 h-7 days. In order to facilitate production of HA at competitive cost, this study was conducted to investigate whether a simple and rapid procedure could be developed for … …American Journal of Applied Sciences, Vol. 6, Issue 5 · 31 May 2009 · 8,552 accessesView PDF Cite

Research ArticleOpen accessIn the abstractSimple Method of Purifying Humic Acids Isolated from Tropical Hemists (Peat Soil)Susilawati Kasim, Osumanu Haruna Ahmed, Nik Muhamad Ab. Majid, Mohd Khanif YusopThe objectives of this study were: To investigate whether a purification period of HA isolated from Hemists peat soils could be reduced and to investigate whether distilled water could be used to purify HA isolated from Hemists peat soils. Standard procedures were used to extract and fractionate HA in a Hemists peat soil. The isolated HA was purified by suspending … …American Journal of Applied Sciences, Vol. 5, Issue 12 · 31 Dec 2008 · 7,151 accessesView PDF Cite

Research ArticleOpen accessIn the abstractDetermination of Minimal Duration Essential for Isolation of Humic Acids From Soils in Forest Restoration ProgrammesMohd Ramzan Nur Hanisah, Osumanu Haruna Ahmed, Kasim Susilawati et al.This study was conducted to investigate whether a simple and rapid method could be developed for extracting, fractionating and purifying soil HA in forest rehabilitation programmes. Humic acids from 10 g of soil were extracted with 100 mL of 0.10 M NaOH. Different extraction periods (4, 8, 12, 16, 20 and 24 h) were tested. Samples were centrifuged (16,211 G … …American Journal of Agricultural and Biological Sciences, Vol. 3, Issue 3 · 30 Sep 2008 · 8,173 accessesView PDF Cite

Research ArticleOpen accessIn the abstractEffects of Potassium Fulvic Acid and DA-6 on the Growth and Yield of Tomato Cultivated with Rock WoolXiao Huaijuan, Zhou Yan, Mao Ke et al.Potassium fulvic acid and diethyl aminoethyl hexanoate (DA-6) are two kinds of growth regulators with yield increasing and quality improving. There are few reports on the effects of adding potassium fulvic acid and DA-6 in nutrient solution on the growth of soilless culture of vegetables. In this study, tomato was used as the test material to add different concentrations of … …American Journal of Biochemistry and Biotechnology, Vol. 16, Issue 2 · 7 Apr 2020 · 8,285 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordAssessment of Camel Meat Pollution with Trace Metals in Desert Area of Basra ProvinceSarmad G. Mohammed, Hassan T. Abdulsahib, Ibrahim M. Jasim, Mushtak T. JabbarProblem statement: This study investigates the possibility of the camel meat pollution in south of Basra province (Iraq). Trace elements concentrations (Mg, Fe, Pb and Hg) were determined from different tissues of camel (neck, shoulder, plate, leg and loin) from two location in Basra governorate, Safwan and Al-Zubair. Approach: The study focused on the assessment of camel meat pollution on … …American Journal of Agricultural and Biological Sciences, Vol. 6, Issue 4 · 27 Oct 2011 · 8,300 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordThe Influence of Mineral Fertilizers on the Chemical Composition of Verdurous Masses of Forder CropsNurali S. Nurgaliyev, Serik Z. Bekzhanov, Ibadulla A. Tautenov et al.This article presents the results of sorghum and pearl millet studies conducted in order to develop the technology of their cultivation as a new forage crops for livestock in arid areas of Kazakhstan. The article presents data on the effect of seeding rates and term of sowing on seeds germination and survival of plants and a crop of verdurous masses … …American Journal of Agricultural and Biological Sciences, Vol. 10, Issue 3 · 30 Sep 2015 · 7,489 accessesView PDF Cite