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Nitrogen fertilization in tulip bulb production in Japan

, : Nitrogen fertilization in tulip bulb production in Japan. Acta Horticulturae (47): 347-352

In sand culture experiments with tulips it was found that for maximum bulb yield it was necessary to supply N, from shoot emergence until flowering, at rates which would maintain the N content of daughter bulbs at about 1.6% of dry matter during the period of flowering to bulb lifting.

Accession: 000441450

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Related references

Wilckens E.R.; Berti D.M.; Lanuza A.P.; Vidal P.I.; Quintanilla G.A., 2000: Nitrogen fertilization in tulip bulb production (Tulipa sp.). The effect of N fertilizer on the incremental weight and bulb size and number of bulbs and bulblets of tulips (Tulipa sp.) was studied. The small (2-5 g) and medium (5,01-11 g) bulbs were field-planted in Huape, Chile, in May 1995 and flowers were...

Nehl, H.; Benkenstein, H., 1978: Nitrogen fertilization of tulip. 1. Influence of increasing nitrogen levels on bulb yield. The influence of top dressing with increasing N rates (0-180 kg/ha) on the bulb yield of 3 tulip cvs (Oxford, Van der Eerden and Lustige Witwe) and individual bulb size was tested over 3 years. N at 90, 60-90 and 90-120 kg/ha was found to be optim...

Sekhar, N.N.C., 1981: Nitrogen for tulip bulb production. Results are presented and discussed of studies on the effects of N when applied in autumn or spring on the total yield of tulip bulbs, dry matter content, quality, size and N content. Early spring (February) top-dressing gave the highest yield of...

Nakagawa, Y.; Akimitsu, N., 1972: Studies on the production of tulip bulbs. 2. The effect of plant density and time of nitrogen application on bulb yield. The optimum rate of planting seed bulbs was 2.0 kg/3.3m3, i.e. 330 7-cm bulbs, 250 8-cm bulbs or 170 9-cm bulbs. Application of NO3-N at intervals between November and April showed that top growth was most when N was applied immediately after plan...

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Yadav, R.L.; Sen, N.L.; Fageria, M.S.; Dhaka, R.S., 2002: Effect of nitrogen and potassium fertilization on quality bulb production of onion. Onion cultivars Puna Red, White Marglobe, Nasik Red and Rasidpura Local were supplied with 50, 100 or 150 kg N and K/ha in a field experiment conducted in Jaipur, Rajasthan, India during the rabi seasons of 1998-2000. Yield, fresh weight of bulb,...

Fodor, B., 1978: Effect of planting depth, soil covering and fertilization on bulb yield of tulip. Kozlemenyei (9): 59-64

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