The effect of sowing date and stand density on the yield and quality of sunflower in 2006
2007
Crnobarac, J.(Poljoprivredni fakultet, Novi Sad (Serbia)) | Balalic, I.(Institut za ratarstvo i povrtarstvo, Novi Sad (Serbia)) | Dusanic, N.(Institut za ratarstvo i povrtarstvo, Novi Sad (Serbia)) | Jacimovic, G.(Poljoprivredni fakultet, Novi Sad (Serbia))
Field test was conducted in 2006 on experimental field of Institute of Field and Vegetable Crops in Novi Sad, Serbia. The effect of sowing date and stand density on seed yield, oil content and yield as well as percentage of harvested plants were investigated. It used domestic perspective hybrids of sunflower. Sowing was made at dates since Mart 20 to June 1, with 10 days increasing step. There were significant differences between hybrids in all investigated traits. Optimal sowing interval according to all investigated traits was from April 1 to April 20. In the second trial there were six stand density (from 30,000-80,000 plants per hectare with increasing step of 10,000). There were significant differences between hybrids in all investigated traits. Optimal stand density according to all investigated traits was nearly 60,000 plants per hectare. Linear decreasing of harvested plants percentage was detected with increasing stand density for -4.74% with each increasing of 10,000 plants per hectare.
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