Tag: Agriculture

Iowa stream sites and watersheds evaluated in this study

Iowa stream nitrate and the Gulf of Mexico

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Author: Jones, Christopher S.; Nielsen, Jacob K.; Schilling, Keith E.; Weber, Larry J. Description: The main objective of this work was to quantify and update the U.S. Midwest agricultural state of Iowa’s contribution of nitrate-nitrogen to the Mississippi River stream network against the backdrop of the ongoing problem of Gulf of Mexico hypoxia. To achieve this objective, we used stream nitrate and discharge data collected from 1999 until 2016 at 23 Iowa stream sites near watershed outlets, along with publicly-available data for sites downstream of Iowa on the Missouri and…

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Legacy phosphorus used in agriculture in China

Quantitative evaluation of legacy phosphorus and its spatial distribution

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Author: Lou, Hezhen; Zhao, Changsen; Yang, Shengtian; Shi, Liuhua; Wang, Yue; Ren, Xiaoyu; Bai, Juan Description: A phosphorus resource crisis threatens the security of global crop production, especially in developing countries like China and Brazil. Legacy phosphorus (legacy-P), which is left behind in agricultural soil by over-fertilization, can help address this issue as a new resource in the soil phosphorus pool. However, issues involved with calculating and defining the spatial distribution of legacy-P hinder its future utilization. To resolve these issues, this study applied remote sensing and ecohydrological modeling to…

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How to rescue biofuels from a sustainable dead end

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Author: Fairley, Peter Description: Russia’s invasion of Ukraine squeezed global oil supplies and inflation increased prices at the pumps. Although petrol prices then started to fall after several months, the situation delivered a powerful reminder of the world’s dependence on fossil fuels … Subject headings: Biofuels; Biotechnology; Sustainable Development; Agriculture; Environmental sciences; Sustainability Publication year: 2022 Journal or book title: Nature Volume: 611 Issue: 7936 Pages: S15-S17 Find the full text: https://www.strategian.com/fulltext/Fairley2022.pdf Find more like this one (cited by): https://scholar.google.com/scholar?cites=204846560647340686&as_sdt=1000005&sciodt=0,16&hl=en Serial number: 4007

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Clinical and pathological studies on lumpy skin disease in Egypt

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Author: Ali, A. A.; Esmat, M.; Attia, H.; Selim, A.; Abdel-Hamid, Y. M. Description: Between May 1988 and May 1989 animals infected with lumpy skin disease in 10 cattle and buffalo herds from 6 different farms (1300 cattle and 300 domestic buffaloes) were observed for clinical signs and lesions. Skin biopsies and specimens from lymph nodes were collected at different stages during the course of the disease. The incidence of the disease in cattle and buffaloes on the 6 farms ranged from 21 to 71% and was highest in the…

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