受强制性开放获取政策约束的文章 - Steve Crittenden了解详情
无法在其他位置公开访问的文章：1 篇
Soil phosphorus saturation ratio sets comparable manure application cutoffs across states differing in agronomic soil test
SJ Crittenden, QM Ketterings, J Knight, KJ Czymmek
Soil Science 182 (1), 36-44, 2017
强制性开放获取政策： US Department of Agriculture
可在其他位置公开访问的文章：2 篇
Multifaceted impacts of sustainable land management in drylands: a review
MJ Marques, G Schwilch, N Lauterburg, S Crittenden, M Tesfai, J Stolte, ...
Sustainability 8 (2), 177, 2016
强制性开放获取政策： European Commission, CGIAR
Restructuring the P Index to better address P management in New York
QM Ketterings, S Cela, AS Collick, SJ Crittenden, KJ Czymmek
Journal of environmental quality 46 (6), 1372-1379, 2017
强制性开放获取政策： US Department of Agriculture
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