Publication Date

1993

Description

The present work deals with the total yield and botanical composition of binary mixed pastures resulting from paired combinations of 8 grasses (Italian, perennial and hybrid ryegrass, cocksfoot, tall fescue, timothy, meadow softgrass and prairie grass) and 3 legumes (red clover, white clover and birdsfoot trefoil) with two levels of N, 160 and 320 kg/ha, during a 2-year field trial. In both years prairie grass was the most productive grass in the different combinations and its yield increased considerably with the high rate of N. Cocksfoot and timothy were slow to establish but in the second year they yielded well, In the first year, ryegrasses were very aggresive and gave mean yields of about 12 t OM/ha while in the second year the grasses were invaded more by unsown species and their yield decreased considerably.

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Agronomic Behavior of Binary Mixtures in Basque Country Pastures

The present work deals with the total yield and botanical composition of binary mixed pastures resulting from paired combinations of 8 grasses (Italian, perennial and hybrid ryegrass, cocksfoot, tall fescue, timothy, meadow softgrass and prairie grass) and 3 legumes (red clover, white clover and birdsfoot trefoil) with two levels of N, 160 and 320 kg/ha, during a 2-year field trial. In both years prairie grass was the most productive grass in the different combinations and its yield increased considerably with the high rate of N. Cocksfoot and timothy were slow to establish but in the second year they yielded well, In the first year, ryegrasses were very aggresive and gave mean yields of about 12 t OM/ha while in the second year the grasses were invaded more by unsown species and their yield decreased considerably.