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Mineral Nitrogen as a Universal Soil Test to Predict Plant N Requirements and Ground Water Pollution – Case Study for Poland

Written By

Agnieszka Rutkowska and Mariusz Fotyma

Submitted: March 8th, 2011 Published: December 22nd, 2011

DOI: 10.5772/29397

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Written By

Agnieszka Rutkowska and Mariusz Fotyma

Submitted: March 8th, 2011 Published: December 22nd, 2011