Výsledky vyhledávání - "Mathew J. Helmers"

Akademický článek

Increased extreme precipitation challenges nitrogen load management to the Gulf of Mexico

Autor: Chaoqun Lu, Jien Zhang, Hanqin Tian, William G. Crumpton, Mathew J. Helmers, Wei-Jun Cai, Charles S. Hopkinson, Steven E. Lohrenz

Publikováno v: Communications Earth & Environment, Vol 1, Iss 1, Pp 1-10 (2020)

Over the past 40 years, precipitation extremes have become more important for delivering N to the Gulf of Mexico, according to simulations with a hydro-ecological model. This is likely to diminish the effectiveness of alternative N use practices

Externí odkaz: https://doaj.org/article/9530388c8fd14a1496bc8b42127ced17

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Assessing the Impacts of Climate Variability on Fertilizer Management Decisions for Reducing Nitrogen Losses from Corn Silage Production

Autor: Craig F. Drury, Ward Smith, Hambaliou Baldé, Mathew J. Helmers, Brian Grant, Robert Gordon, Andrew VanderZaag, Xavier P.C. Vergé, Wentian He, Zhiming Qi

Publikováno v: Journal of Environmental Quality. 48:1006-1015

There is an incentive for dairy farmers to maximize crop production while minimizing costs and environmental impacts. In cold climates, farmers have limited opportunity to balance field activities and manure storage requirements while limiting nutrie

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8b65e7b852355fc7a98a71f5913a4ce3
https://doi.org/10.2134/jeq2018.12.0433

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