Ion-exchange gums use for optimization of wheat plants mineral nutrition in BTLSS with an increased closure level Tikhomirova, Natalia ; Tikhomirov, Alexander A. ; Ushakova, Sofya ; Kudenko, Yurii ; Anischenko, Olesya Abstract Publication: 39th COSPAR Scientific Assembly Pub Date: July 2012 Bibcode: 2012cosp...39.1973T