Comparison of spurs and leaves of annually and bienniallybearing apple trees of 'Perkins' variety in respect to their contents of nitrogen compounds
M. Bielińska-Czarnecka, U. Dzięcioł, B. Dawydko
DOI:
https://doi.org/10.5586/aa.1964.021
Journal ISSN:- 2300-357X (online)
- 0065-0951 (print; ceased since 2016)
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