The effect of yield and quality of sugarbeet at different sowing and harvesting dates in relation to plant density - I. Field emergence, growth, leaf and root yield

Cakmakc, R.; Oral, E.

Ziraat Fakultesi Dergisi, Ataturk Universitesi 32(4): 367-378

2001


Accession: 003969945

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Abstract
The effects of sowing date, plant density, and harvesting date on the yield and quality of sugarbeet were studied during 1994-97 in Turkey. The treatments were: 5 sowing dates (1 April, 14 April, 26 April, 15 May, and 28 May), 4 plant densities, and 2 harvesting dates (26 September and 16 October). Seeds sown on 1 April, 14 April, 26 April, 15 May, and 28 May emerged at 19, 18, 14, 12, and 15 days, respectively. Averaged over the years, the plant populations for the different treatments reached 5550, 7300, 8890, and 10 360 plants/day. Sowing at 15 and 28 May decreased root yield by 70.3 kg per day delay in sowing. The root yields were maximum at plant densities of 9200, 9600, 9700, 9700, and 9300 (from the first to the last sowing date). A delay in harvest from 26 September to 16 October increased root yield from 4735 to 5366 kg/day.