Influence of row spacing and sowing rate on perennial ryegrass (Lolium perenne L.) seed yield and germination in western Srem [Yugoslavia]
1998
Vuckovic, S. | Nedic, M. | Zaric, D. | Zivanovic, Lj. (Poljoprivredni fakultet, Beograd - Zemun (Yugoslavia))
A two factorial experiment of 20 and 50 cm inter-row spacing with 1.4 and 0.7 g of seeds per row was conducted over two years in non-irrigated, very deep clay soil in Silas, western Srem (Yugoslavia). The highest perennial ryegrass seed yield was achieved with plants grown in 20 cm spaced rows employing 20 kg/ha of seeds (750.6 and 560.3 kg/ha in 1995 and 1996 respectively). Substantially lower yields were achieved with plants sown in wider spaced rows employing lower sowing rates. In 1995 and 1996 plants sown in 20 cm spaced rows yielded 694.5 and 537.7 kg/ha of seeds respectively. In 50 cm spaced rows plants yielded 333.5 and 466.4 kg/ha of seeds respectively. Row spacing and sowing rate had no effect on the percentage of germination.
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