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Publikováno v:
Environment. Technology. Resources. Proceedings of the International Scientific and Practical Conference; Vol 1 (2005): Environment. Technology. Resources. Proceedings of the 5th International Scientific and Practical Conference; 113-118
Ecological friendly products increasing plant productivity, quality and resistance against diseases are widely used in biological agriculture many years. One of such products is lignosilicon. That is developed by Latvian State Institute of Wood Chemi