By Kaur Amninder   Sadana Upkar   in Journal of Plant Nutrition

ISSN:0190-4167|33|6|831-845

Taylor & Francis Ltd‎(2010)‎

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By Aulakh Milkha S.   Singh Dhanwinder   Sadana Upkar S.   in Journal of Sustainable Agriculture

ISSN:1044-0046|25|1|97-115

Haworth Press‎(2004)‎

Access to resources Favorite 11.60738

By Shankar Arun   Sadana Upkar S.   Sekhon Nirmal K.   in Journal of Plant Nutrition

ISSN:0190-4167|37|11|1770-1781

Taylor & Francis Ltd‎(2014)‎

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By Samal Debasmita   Kovar John   Steingrobe Bernd   Sadana Upkar   Bhadoria Pratapbhanu   Claassen Norbert   in Plant and Soil

ISSN:0032-079X|332|1-2|105-121

Springer Publishing Company ‎(2010)‎

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