(a) Maintain the stability of output. Combining the pastures with different growth years and different growth and letting periods can make full use of the time factors to make pastures grow faster and the grassland use period is prolonged. Different grasses and mixed species can use the natural plant community layer structure and root group distribution. Laws, make full use of space factors, increase the utilization of light energy and land force; grasses and mixed species with different growth habits can use the laws of mutual help among species in natural plant communities to fully utilize biological factors and avoid changes in single pasture due to environmental factors. , Serious damage caused by the damage of weed pests and diseases.
(b) Improve feed quality. Mixed forage grasses can make forage ingredients more uniform, better palatability, reduce waste and increase the utilization of pasture. Forage legumes are often caused by simple legume grazing, and mixed grasses can avoid such dangers. Legume grass mixed with gramineous grasses, compared with a single gramineous pasture grass protein content.
(iii) Easy to harvest and modulate. Cocoon or entwined pastures are mixed with upright pastures to prevent lodging, facilitate harvesting, and facilitate the modulation and silage of hay. The stems and leaves of gramineous pasture have less water content, the water loss is more uniform, and it is not easy to fall off; the leguminous pasture has more water content, and the water content of stems and leaves is larger, the drying time is long and uneven, and it is easy to dissipate in the modulated hay. Mixing the two, the loss of drying when drying hay is small.
(d) Contribute to the sustainable production of grassland. Pasture mixed species can increase the amount of organic matter in the soil, help the formation of soil aggregates, make the soil water and fertilizer, improve soil fertility, and thus can improve the yield and quality of the post-cropping.
(b) Improve feed quality. Mixed forage grasses can make forage ingredients more uniform, better palatability, reduce waste and increase the utilization of pasture. Forage legumes are often caused by simple legume grazing, and mixed grasses can avoid such dangers. Legume grass mixed with gramineous grasses, compared with a single gramineous pasture grass protein content.
(iii) Easy to harvest and modulate. Cocoon or entwined pastures are mixed with upright pastures to prevent lodging, facilitate harvesting, and facilitate the modulation and silage of hay. The stems and leaves of gramineous pasture have less water content, the water loss is more uniform, and it is not easy to fall off; the leguminous pasture has more water content, and the water content of stems and leaves is larger, the drying time is long and uneven, and it is easy to dissipate in the modulated hay. Mixing the two, the loss of drying when drying hay is small.
(d) Contribute to the sustainable production of grassland. Pasture mixed species can increase the amount of organic matter in the soil, help the formation of soil aggregates, make the soil water and fertilizer, improve soil fertility, and thus can improve the yield and quality of the post-cropping.
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