Introducing new concepts of beef quality , production techniques and marketing at the household level and supporting the introduction of new technologies in feedlot operations will require strengthening of the extension systems for cow - calf production and cattle fattening 在农户层面引进肉牛质量生产技术和市场营销的新观念,支持在饲养场经营中引进新技术,将需要加强母牛犊牛生产和肉牛增肥推广系统。
Experimental research , demonstration and extension conducted by china , as well as many years of practice in canada , have shown that the development of conservation agriculture can reduce water and soil erosion , reduce dust , resist drought , save water , increase the soil fertility and increase the efficiency 中国开展的试验研究示范推广和加拿大多年的生产实践证明,发展保护性耕作,可以减少水土流失抑制扬尘抗旱节水增肥地力节本增效,达到保护农田与生态环境的可持续发展目标。