搜索结果: 1-3 共查到“农业工程 cattle”相关记录3条 . 查询时间(0.062 秒)
Fallowing cattle-feed farmland simplest way to alleviate western water shortages（图）
Fallowing cattle-feed farmland simplest western water shortages
2020/3/6
The rate at which humans consume fresh water is now approaching or surpassing the rate at which water sources are naturally replenished, creating shortages for people and ecosystems.In the western U.S...
精量饲喂系统的核心技术是奶牛个体识别技术。系统采用了非接触式的无线射频识别（RFID）技术，奶牛佩带符合ISO11785标准的电子标签。采食开始前，系统核对奶牛信息后按照饲喂要求进行自动投料。系统各测量数据将通过以ZigBee为核心建立起来的无线网络传输到主控计算机，同时主控计算机将奶牛饲喂规则的相关控制指令也通过无线网络传送到饲喂装置，控制饲喂装置工作。系统预留相关扩展接口方便后续升级使用。
Economic evaluation of cattle management in the system of organic farming
organic agriculture economical evaluation of cattle management development of organic agriculture support of organic agriculture
2014/3/29
This paper introduces partial results of the research project QC 1140 aimed at the efficiency of enterprises operating in the system of organic farming, especially considering the use of grassland lin...