Effect of set up parameters for a dual tine and presswheel seeding module on seed placement and germination
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Tarih
2011
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info:eu-repo/semantics/openAccess
Özet
The objective of this study was to compare the effect of different types of furrow openers, seeding tine depth and seed discharge settings on seed placement and germination rates. This work was undertaken using a direct drill, Precision Seeding System (PSS), made in South Australia that consists of a front fertilizer tine and a rear (seed) tine fitted with presswheel, all made into a single module. The front tine was designed to work deeper than the seeding tine and uses a presswheel to press the soil over the seed. The Precision Seeding System (PSS) has multi setting options that allows fitting of different types of fertilizer and seed openers and presswheels, and allows use of a range of seed delivery tube and seeding tine settings. According to research results, for the combined dual tine and presswheel module, the fertilizer tine and height of seeding tine above presswheel significantly affected the measured parameters of lateral seed spread and position, vertical seed scatter and position. The lateral seed position and lateral seed scatter were found to be near the centre at no presswheel while using presswheel spread far from the centre. There was no difference, in final percentage of plants emerged, among the treatments but the shallow seed opener and seed boot position gave faster emergence than deeper seed opener and seed boot position.
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Cilt
7
Sayı
2
