[CITATION][C] The influence of variety, stand density and tuber seed size on yield and grading of potatoes (Solanum tuberosum L.) in organic farming

T Haase, C Schuler, E Kolsch, J Heb - … of the European Association of Potato …, 2002

[CITATION][C] The influence of variety, stand density and tuber size on yield and grading of potatoes (Solanum tuberosum L) in organic farming

T Haase, C Schuller, E Kolsch, J Heb - Potatoes today and tomorow. Abstracts of …, 2002