DYNAMIC NUTRIENTS QUALITY CHARACTERISTIC ON PASTURE IN DIFFERENT ALTITUDE IN SOUTH BOHEMIAN REGION
2023
B. ČERMÁK | F. LÁD | B. VONDRÁŠKOVÁ | F. KLIMEŠ | J. FRELICH | M. KOBES
In 2004-2005, 7 different experimental locations were chosen in the Sumava Mountains area between 450 to 900 m. Three farms had dairy cows, 2 farms had beef cattle on pasture, and 2 farms had a combined beef and dairy herd. During summer, all cattle were grazing. Dairy cows were supplemented with concentrate and hay according to their milk production. During winter, the cattle on all farms were fed with silage. The pasture yield, botanic structure of grass, clover and other plants and the quality of animal product were monitored. Content of richness species in pasture through 2 years (average). Yield, botanic composition and chemical analyses of grass and herbage were measured in seven localities with different altitudes between 450 and 900 metres above sea level. We suggest that evaluation of pasture nutrients, yield can give valuable information that can improve the grazing management. Grazing influenced not statistically significant a low nutrient content in grass with herbs gave a lower cut production, especially in terms of cutting, grazing management and lower part of N fertilisation. The content of average richness species of grasses, trefoils and other plants are present. In the stands 2 and 3 the increasing of trefoils especial white clover are increased. This shoved high utilisation of pasture and good management. Higher stands of pasture depend on altitude had tendency to lower dry matter content.
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