2010•Unpublished venueRequires access
Sequential extraction and chemical fractions of Zn and Cu as influenced by manures and fertilizers under long term rice-wheat cropping system in northwest India.
S. S. Dhaliwal, U. S. Sadana, S. S. Sidhu, Sohan Singh Walia, H. S. Dhadli, V. D. Watts
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Abstract
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