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Investigations on growth factors in the production of pot plants (Hedera) under glass. II. Seasonal variations in growth, nutrient uptake and dry weight/fresh weight ratio with varying supplies of N, P and K


, : Investigations on growth factors in the production of pot plants (Hedera) under glass. II. Seasonal variations in growth, nutrient uptake and dry weight/fresh weight ratio with varying supplies of N, P and K. Tidsskrift for Planteavl 81(4): 409-429

Plants of the ivy Gloire de Marengo, grown in a soil mixture or rockwool granules with a constant circulating nutrient solution, were supplied with combinations of N at 25, 50 or 100 p.p.m., P at 5, 10 or 20 p.p.m. and K at 30, 55 or 105 p.p.m. in winter and summer.

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