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101 articles for “nitrate”
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Research ArticleOpen accessEvery word in the titleControlled Release Behaviors of Tribenuron Methyl Herbicide and Potassium Nitrate Fertilizer from Natural Polymer Blended Poly(Vinyl Alcohol) Hydrogel MicrospheresFawzi Habeeb Jabrail, Wajeeh Mohammed Jamil, Maher Zeki Elsabee, Kailash Chandra GuptaPolyvinyl Alcohol (PVA) hydrogel microspheres for controlled release of fertilizer (KNO3) and Tribenuron Methyl Herbicide (TBM) were prepared by blending the naturally occurring Alginate (AL) and Pectin (PE). The cross-linking in PVA hydrogel microspheres was carried out by varying the amount of glutaraldehyde from 0.5-1.0 wt%. To control the loading and release properties of PVA hydrogel microspheres, a small amount … …American Journal of Applied Sciences, Vol. 16, Issue 5 · 13 Jul 2019 · 7,673 accessesView PDFCite
Research ArticleOpen accessEvery word in the titlePreliminary Evaluation of a Permeable Reactive Barrier for Reducing Groundwater Nitrate Transport from a Large Onsite Wastewater SystemCharles Humphrey, Sushama Pradhan, Eban Bean et al.A permeable reactive barrier was installed between a large Onsite Wastewater System (OWS) and a monitoring well located down-gradient from the OWS. Groundwater samples from the well had shown elevated and increasing concentrations of NO3--N (>20 mg L-1 for 2 years). The barrier was constructed using woodchips from various tree species that were placed in a trench excavated to approximately … …American Journal of Environmental Sciences, Vol. 11, Issue 4 · 25 Aug 2015 · 7,372 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleFoliar and Soil Application of Potassium Nitrate Affects the Tolerance of Salinity and Canopy Growth of Perennial Ryegrass (Lolium perenne var Boulevard)S.J. Tabatabaei, F. FakhrzadTwo experiments were conducted to determine the effect of KNO3 application on perennial ryegrass salinity tolerance. Two NaCl levels (0 and 60 mM) factorially combined with four KNO3 (KN) levels (0, 5, 10 and 15 mM) as the treatments. The KN was applied either to the soil or foliarly sprayed. The results showed that in both experiments the increased salinity … …American Journal of Agricultural and Biological Sciences, Vol. 3, Issue 3 · 30 Sep 2008 · 8,052 accessesView PDFCite
Research ArticleOpen accessIn the keywordsEvaluation of Ten Cucumber (Cucumis sativus L.) Hybrids Under Greenhouse Conditions in the Aral Sea Region of KazakhstanIbadulla Aigalievich Tautenov, Gulsym Zykriyaevna Sauytbayeva, Rakhym Iskendirovich Kudiyarov et al.Greenhouse cucumber production in the Aral Sea region of Kazakhstan faces unique challenges due to harsh climatic conditions and limited agricultural resources, making cultivar selection a critical determinant of productivity and economic viability. This study evaluated ten parthenocarpic smooth-fruited cucumber hybrids, Multistar F1, Melen F1, Hoyrat F1, Minmax F1, Lami F1, Infinity F1, Magnum F1, Sprint F1, Joki F1, and … …OnLine Journal of Biological Sciences, Vol. 26, Issue 2 · 6 Jul 2026 · 1,083 accessesView PDFCite
Research ArticleOpen accessIn the keywordsEffect of In Vitro Nitrogen Nutrition to Phalaenopsis deliciosa Seedling GrowthChieh Wean Choong, Chin Hao Lim, Zherui Xiong, Siew Mee ChoongIn a continuous effort to conserve Phalaenopsis species, the optimization of a previously designed defined medium was carried out to understand the effect of in vitro nitrogen nutrition on Phalaenopsis deliciosa Rchb.f. In order not to alter the nutrient balance, macronutrient level instead of solely Nitrogen (N) was adjusted. Seedlings were obtained from in vitro germination and randomly inoculated on … …OnLine Journal of Biological Sciences, Vol. 16, Issue 1 · 16 Dec 2015 · 7,824 accessesView PDFCite
Research ArticleOpen accessIn the keywordsInfluences of Feed Additives on in vitro Volatile Fatty Acid ProductionA. V. Duncan, A. Woldeghebriel, C. Privott et al.This study investigated effects of the feed additives nitrate and fumarate alone or in combination on in vitro Volatile Fatty Acid (VFA) production. Rumen fluid was collected from Holstein-Friesian cattle averaging 650 kg in BW (body weight) offered 11.4 kg d-1 per animal of concentrate diet containing equal amounts of soybean meal, whole cottonseed and ground corn once a day … …American Journal of Animal and Veterinary Sciences, Vol. 10, Issue 1 · 30 Dec 2014 · 7,227 accessesView PDFCite
Research ArticleOpen accessIn the keywordsResponses in Nitrogen Mass and Nitrogen Metabolism of Wild Sugarcane (Saccharum spontaneum L.) UV-B Radiation Under Field ConditionsYanqun Zu, Yuan Li, Haiyun Wang, Yongmei HeField experiments were conducted to evaluate effects of enhanced UV-B radiation (280-315 nm) on intraspecific responses in nitrogen mass and nitrogen metabolism of six wild sugarcane (Saccharum spontaneum L.) clones. The clones were collected from original sites with different altitudes (4-1780 m above sea-level) and latitudes (18-38°N). The supplemental UV-B radiation was 5.00 kJ⋅m-2, simulating a depletion of 20% stratospheric … …American Journal of Environmental Sciences, Vol. 9, Issue 6 · 7 Jan 2014 · 6,656 accessesView PDFCite
Research ArticleOpen accessIn the keywordsTHE IMPACT OF THE POLYMER COATING NUTRISPHERE™ IN INCREASING NITROGEN USE EFFICIENCY AND CORN YIELDTimothy A. Smith, Ronnie W. Heiniger, Pawel WiatrakCurrently, it is estimated that 50 to 60% of the N applied fertilizer is actually utilized by the crop with the remaining N lost through leaching or denitrification. A three year study was conducted at eight locations in North Carolina to examine the impact of Nutrisphere™ on corn yield, optimum N rate, maximum yield, tissue N concentration, plant biomass and … …American Journal of Agricultural and Biological Sciences, Vol. 9, Issue 1 · 21 Dec 2013 · 8,037 accessesView PDFCite
Research ArticleOpen accessIn the keywordsEast Kolkata Wetland: A Multifunctional Niche of International ImportanceI. Mukherjee, S. Ray Chaudhuri, D. Ghosh, A. R. ThakurProblem statement: In the megacity Kolkata, the need for space to accomodate the ever increasing population is increasing day by day. As a result the encoarchment of the large wetland on the eastern frindge of the city is increasing and so is the threat of its loosing the status of Ramsar Status. Approach: Proper documentation of the existing traditional practice … …OnLine Journal of Biological Sciences, Vol. 12, Issue 2 · 31 Jul 2012 · 9,082 accessesView PDFCite
Research ArticleOpen accessIn the keywordsSynthesis of Baso4 Nanoparticles by Precipitation Method Using Polycarboxylate as a ModifierMohamed El-Shahate Ismaiel Saraya, Inas Mostafa BakrProblem statement: Barium Sulfate (BaSO4) is suitable for many applications because of its whiteness, inertness and high specific gravity. Approach: Nanoparticles of barium sulphate (BaSO4) have been synthesized from barium nitrate by precipitation method in the presence of water soluble organic polycarboxylic polymer as a modifying agent. Transmission electron microscopy, Scanning electron microscopy, Fourier transform infrared spectroscopy and X-ray powder … …Current Research in Nanotechnology, Vol. 2, Issue 1 · 29 Jul 2011 · 15,705 accessesView PDFCite