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| Author: | M.A. Richter |
Abstract:
At perrenial field's experiments on tulips (Parade, Oxford, London, Demeter) and narcissus (Golden Harvest, Fortune, Sempre Avanti) conducted at Institute first in subtropical zone of USSR in 1967–1972 years and agrochemistry research put into practice fertilizer system in 1973–1979 years are studed and established the effectivest ways of dressing fertilizations accordingly with levels of soil fertility and wheather's peculiarities vegetative period for yield increasing.
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