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Assessment of River Water Quality in Northwestern Greece
Kotti, Melina; Vlessidis, Athanasios; Thanasoulias, … - In: Water Resources Management 19 (2005) 1, pp. 77-94
The effect of land use patterns on river water quality was studied in three different river basins located in Epirus, Northwestern Greece. Studies were conducted from October 2000 to {September} 2001. During this period, the parameters chemical oxygen demand (COD), biological oxygen demand...
Persistent link: https://www.econbiz.de/10010997829
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Influence of phosphorous and nitrogen fertilizer rate on grain yield of rice at Kamashi zone of Benshal-gul Gumuz Region, Ethiopia
Fayisa, Bekele Anbessa; Welbira, Getahun Dereje - In: Journal of world economic research 5 (2016) 2, pp. 8-14
Persistent link: https://www.econbiz.de/10011699019
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Effects of Long Term Cropping Systems on Soil Chemical Properties
Mazarura, U.; Chisango, C. - In: Asian Journal of Agriculture and rural Development 2 (2012) 4, pp. 632-640
In this study we examined the impact on soil C, total soil N and available P of six rotations namely: long season …  juncea (RK8-Cr). The experiment was established in 1990 under irrigation on a sandy loam soil at Kutsaga Research Station …, Zimbabwe. Soil samples were taken from 0- to 15-cm deep, after each season.  After 9 years, tobacco-grass rotations showed …
Persistent link: https://www.econbiz.de/10010617689
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World Fertilizer Model-The WorldNPK Model
Rosas, Francisco - Food and Agricultural Policy Research Institute … - 2011
coverage includes nitrogen (N), phosphorous (P), and potassium (K). In this report we present the data and procedures used to …
Persistent link: https://www.econbiz.de/10009004795
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World Fertilizer Model-The WorldNPK Model
Rosas, Francisco - Center for Agricultural and Rural Development (CARD), … - 2011
coverage includes nitrogen (N), phosphorous (P), and potassium (K). In this report we present the data and procedures used to …
Persistent link: https://www.econbiz.de/10009004798
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World Fertilizer Model—The World N-P-K Model
Rosas, Juan - Department of Economics, Iowa State University - 2011
coverage includes nitrogen (N), phosphorous (P), and potassium (K). In this report we present the data and procedures used to …
Persistent link: https://www.econbiz.de/10009023957
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Effects of Long Term Cropping Systems on Soil Chemical Properties
Mazarura, Upenyu; Chisango, C. - In: Asian Journal of Agriculture and Rural Development 02 (2012) 04
In this study we examined the impact on soil C, total soil N and available P of six rotations namely: long season … juncea (RK8-Cr). The experiment was established in 1990 under irrigation on a sandy loam soil at Kutsaga Research Station …, Zimbabwe. Soil samples were taken from 0- to 15-cm deep, after each season. After 9 years, tobacco-grass rotations showed …
Persistent link: https://www.econbiz.de/10011200632
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Effects of sewage sludge on heavy metal accumulation in soil and plants and on crop productivity in Aleppo governorate
Al-Zoubi, M. M.; Arslan, A.; Abdelgawad, G.; Pejon, N.; … - International Water Management Institute (IWMI) - 2008
Persistent link: https://www.econbiz.de/10008741070
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Mitigating Greenhouse Gas Emissions from Rice-Wheat Cropping Systems in Asia
Wassmann, R.; Neue, H.U.; Ladha, J.K.; Aulakh, M.S. - In: Environment, Development and Sustainability 6 (2004) 1, pp. 65-90
Persistent link: https://www.econbiz.de/10010847116
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The Effect of Nitrogen and Sulfur Addition on Bioethanol Solid Waste Fermented by the Consortium of Trichodermavirideand Saccharomyces cerevisiaetowards Dry Materials, Organic Mate...
Suryani, Yani; Hernaman, Iman; Rochana, Ana; Setiawati, Ayu - In: Asian Journal of Agriculture and Rural Development 03 (2013) 09
Persistent link: https://www.econbiz.de/10011200615