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	1.	Effects of near-surface hydraulic gradients on nitrate and phosphorus losses in surface runoff. [electronic resource] by Zheng, Fen-Li Huang, Chi-Hua Norton, L Darrell Producer: 20050209 In: Journal of environmental quality vol. 33 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Meta-Analysis of Gypsum Effects on Crop Yields and Chemistry of Soils, Plant Tissues, and Vadose Water at Various Research Sites in the USA. [electronic resource] by Kost, David Ladwig, Ken J Chen, Liming DeSutter, Tom M Espinoza, Leo Norton, L Darrell Smeal, Dan Torbert, H Allen Watts, Dexter B Wolkowski, Richard P Dick, Warren A Producer: 20190530 In: Journal of environmental quality vol. 47 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)

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