Publication Date

1993

Description

In a 2-year trial under dryland conditions on fallow land, an experiment was conducted to determine herbage quantity and quality of the mixtures of barley (Hordeum vulgare L.) and Hungarian vetch (Vicia pannonica Crantz.) or hairy vetch (Vicia villosa Roth.) grown at different seeding rates. Barley-vetch seeding rates were %: 100-0, 80-20, 60-40, 40-60, 20-80, 0-100. Seeding rates at 100% were 300 and 200 viable seeds/m2 for barley and vetches, respectively. Mean herbage dry matter (DM) and crude protein (CP) yields were different (P<0.05) among seeding rates with a 2-year average yield of 2058- 4742 kg DM/ha and 233-508 kg CP/ha. Botanical composition of the mixtures, based on weight, was generally 24-48% and 20-43% for Hungarian vetch and hairy vetch respectively, The best seeding rates in terms of herbage yield and crude protein yield were 20-80 or 40- 60, which are those equivalent to 60-160 or 120-120 seeds/m2 for barley and vetches, respectively. Mixtures of barley-vetches gave a better performance than barley or vetches grown alone.

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Herbage Yields of Barley and Hungarian Vetch or Hairy Vetch at Different Seeding Rates

In a 2-year trial under dryland conditions on fallow land, an experiment was conducted to determine herbage quantity and quality of the mixtures of barley (Hordeum vulgare L.) and Hungarian vetch (Vicia pannonica Crantz.) or hairy vetch (Vicia villosa Roth.) grown at different seeding rates. Barley-vetch seeding rates were %: 100-0, 80-20, 60-40, 40-60, 20-80, 0-100. Seeding rates at 100% were 300 and 200 viable seeds/m2 for barley and vetches, respectively. Mean herbage dry matter (DM) and crude protein (CP) yields were different (P<0.05) among seeding rates with a 2-year average yield of 2058- 4742 kg DM/ha and 233-508 kg CP/ha. Botanical composition of the mixtures, based on weight, was generally 24-48% and 20-43% for Hungarian vetch and hairy vetch respectively, The best seeding rates in terms of herbage yield and crude protein yield were 20-80 or 40- 60, which are those equivalent to 60-160 or 120-120 seeds/m2 for barley and vetches, respectively. Mixtures of barley-vetches gave a better performance than barley or vetches grown alone.