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- Balkhoven-Baart, J.M.T.; Maas, F.M.
- Acta horticulturae 2004 no.658 pp. 295-297
- autumn; calcium; cultivars; cutting; flowering; flowers; fruits; iron; leaves; magnesium; mineral content; planting; plums; rootstocks; shoots; spring; trees
- ... In two rootstock trials the Russian rootstock VVA-1 was evaluated for use as a dwarfing plum rootstock under Dutch conditions. From 1994 to 2000, a rootstock trial was carried out with 'Opal' at the former Fruit Research Station in Wilhelminadorp. Rootstock VVA-1 was compared with standard rootstock 'St Julien A'. Planting distance was 4 x 2 m. Four production years were registered. Cumulative pro ...