Yearly Changes in Mixed Swarde of Galega (Galega orientalis lam.) and Timothy (phleum pratense L.),and their Singlesown Swards

Iwabuchi Kei, Gau Mitsuru, Horikawa Yoh

doi:10.14941/grass.56.233

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Other Title

ガレガ(Galega orientalis Lam.)とチモシー(Phleum pratense L.)の混播・単播草地における経年変化
ガレガ Galega orientalis Lam トチモシー Phleum pratense L ノコンパンタンパンソウチニオケルケイネンヘンカ

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Abstract

Mixed swards of galega (Galega orientalis Lam.) and timothy (Phleum pratense L.) were established with 4 seeding rates of galega, as well as single-sown swards of each two species, and yearly changes of their growth were observed for five years. The growth of galega sown alone was inferior to that of timothy for two years after seeding, and then the plant vigor of galega is same or high, compared to timothy. For two years after seeding, the yields of mixed swards of galega and timothy were same as the single-sown swards of timothy, but higher than that of galega alone. However, since the third year after the seeding, the yields of mixed swards exceeded those of the single-sown swards of each species. When the seeding rate of galega was 2-4 kg/10a, botanical composition of galega and total dry matter yield during the five years were significantly higher than those at the seeding rate of 1kg/10a. Therefore, it is considered that the appropriate seeding rate for the galega and timothy of mixture is the combination over 2kg/10a of galega seeds and 1kg/10a of timothy seeds.

Journal

Japanese Journal of Grassland Science

Japanese Journal of Grassland Science 56 (4), 233-237, 2011

Japanese Society of Grassland Science

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