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12 articles for “coastal plain”
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Research ArticleOpen accessPhrase in the titleInfluence of Seeding Rate on Weed Density in Soybean Planting System for Southeastern Coastal PlainsPawel Wiatrak, Guihua ChenProblem statement: Increasing seeding rates may help decrease weed pressure in soybean [Glycine max (L.) Merr.] wide row spacing. Approach: The objective of this study was to evaluate the influence of five glyphosate-resistant soybean Maturity Groups (MG) (IV, V, VI, VII and VIII) and six seeding rates (68,000,136,000, 204,000, 272,000, 340,000 and 408,000 seeds ha-1) on weed density under dryland … …American Journal of Agricultural and Biological Sciences, Vol. 6, Issue 1 · 25 Mar 2011 · 7,944 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleIdentifying Nutrient Contributors in North Carolina’s Coastal Plain Blackwater RiversNarayan B. Rajbhandari, Sushama Pradhan, Mauro Di Luzio et al.The goal of this study was to assess potential nitrogen and phosphorus contribution from point sources and non-point sources in North East Cape Fear River (NECFR) watershed in North Carolina. A watershed scale hydrologic model, Soil and Water Assessment Tool (SWAT), was used to quantify Total Nitrogen (TN) and Total Phosphorus (TP) loadings to North Carolina’s Coastal Plain Blackwater Rivers. … …American Journal of Environmental Sciences, Vol. 11, Issue 4 · 5 Nov 2015 · 7,389 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleEffect of Polymer Seed Coating with Micronutrients on Soybeans in Southeastern Coastal PlainsPawel WiatrakPolymer seed coating with micronutrients may affect soybean (Glycine max (L.) Merr) growth and yields under dryland conditions. The objective of this study was to determine the effect of two seed application rates (265 and 395 mL 100 kg seeds-1) of polymer based mixture of Copper (Cu), Manganese (Mn) and Zinc (Zn) micronutrients on dryland soybeans near Blackville, SC from … …American Journal of Agricultural and Biological Sciences, Vol. 8, Issue 4 · 28 Oct 2013 · 8,501 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleInfuence of Seed Coating with Micronutrients on Growth and Yield of Winter Wheat in Southeastern Coastal PlainsPawel WiatrakPolymer seed coating with micronutrients may provide important nutrients during plant growth and improve yields. The objective of this study was to determine the effect of three seed application rates (265, 395 and 530 mL 100 kg seeds-1) of polymer based mixture of Copper (Cu), Manganese (Mn) and Zinc (Zn) micronutrients on dryland winter wheat (Triticum aestivum L.) near Blackville, … …American Journal of Agricultural and Biological Sciences, Vol. 8, Issue 3 · 21 Sep 2013 · 8,543 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleEvaluation of Phosphorus Application with Avail on Growth and Yield of Winter Wheat in Southeastern Coastal PlainsPawel WiatrakPhosphorus (P) application with Avail may affect plant growth and grain yields of winter wheat (Triticum aestivum L.) under dryland conditions. The objective of this study was to determine the effects of two P application rates (45 and 90 kg ha-1) with and without Avail polymer on growth and yields of dryland winter wheat near Blackville, SC from 2010 to … …American Journal of Agricultural and Biological Sciences, Vol. 8, Issue 3 · 16 Sep 2013 · 7,140 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleEVALUATION OF NITROGEN APPLICATION METHODS AND RATES WITH NUTRISPHERE-N ON CORN IN SOUTHEASTERN COASTAL PLAINSPawel WiatrakApplication method of Nitrogen (N) and Nutrisphere-N may influence corn (Zea mays L.) growth and yields under dryland conditions. The objective of this study was to determine the effect of two N application methods (all at planting and split application with 35 kg N ha-1 applied at planting and remaining N at V6 stage) and five N rates (0, 45, … …American Journal of Agricultural and Biological Sciences, Vol. 9, Issue 1 · 4 Jan 2014 · 7,297 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleEVALUATION OF NITROGEN APPLICATION METHODS AND RATES WITH NUTRISPHERE-N ON SOIL NITRATE-NITROGEN IN SOUTHEASTERN COASTAL PLAINSPawel WiatrakNitrogen (N) application with Nutrisphere-N polymer may affect soil Nitrate-Nitrogen (NO3-N) movement in the soil. The objective was to evaluate two N application methods (all at planting and split application) and five N rates (0, 45, 90, 135 and 180 kg N ha-1) with Nutrisphere-N polymer on soil NO3-N in dryland corn (Zea mays L.) near Blackville, SC from 2010 … …American Journal of Agricultural and Biological Sciences, Vol. 9, Issue 1 · 23 Dec 2013 · 7,490 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleInfluence of Phosphorus Application with Avail on Following Soybeans in Southeastern Coastal PlainsPawel WiatrakApplication of Phosphorus (P) in combination of with polymer Avail to previous crop may affect soybeans [Glycine max (L.) Merr.] under dryland conditions. The objective of this study was to determine the effect of two P rates (45 and 90 kg P2O5 ha-1) with and without Avail applied to winter wheat (Triticum aestivum L.) previous crop on growth and yields … …American Journal of Agricultural and Biological Sciences, Vol. 8, Issue 4 · 25 Oct 2013 · 7,222 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleCorn Response to Nitrogen Timing and Rate under Strip Tillage and Low-Yield Environment in Southeastern Coastal PlainsPawel Wiatrak, Ahmad Khalilian, Guihua ChenProblem statement: Insufficient rainfall under low yield environment may affect nitrogen management, plant growth indices and grain yields of corn (Zea mays L.). Approach: The objective of this study was to determine the effects of two N application timings (all at planting and as split application with N applied at planting and V6 stage) and five N fertilizer rates (0, … …American Journal of Agricultural and Biological Sciences, Vol. 6, Issue 1 · 10 Mar 2011 · 7,992 accessesView PDFCite
Research ArticleOpen accessEvery word in the titlePyritization of the Coastal Sediments in the Kelantan Plains in the Malay Peninsula during the HoloceneM.S.K. Enio, J. Shamshuddin, C.I. Fauziah, M.H.A. HusniProblem statement: For a number of geological reasons a proportion of the present coastal plains in the Malay Peninsula were inundated by seawater in the past when pyrite in some of the soils is believed to have been mineralized. Random survey of these sites showed a unique distribution and depth of pyritic layer in the soils along the coastal plains. … …American Journal of Agricultural and Biological Sciences, Vol. 6, Issue 3 · 16 Aug 2011 · 8,740 accessesView PDFCite