Camellia oleifera is an economical tree with great potential for comprehensive development and utilization. However, improper handling of camellia oleifera fruit will greatly reduce the use value of oil camellia and cause unnecessary economic losses. When Camellia oleifera fruit is harvested, .......

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4HW-700 simple sweet potato harvester is a new type of agricultural machinery developed by the Shandong Zhaoyuan Taishan Agricultural Machinery Research Institute. This product was granted a national patent in August 2003. In addition to harvesting sweet potatoes, it can also harvest peanuts a.......

The ewes are responsible for breeding tasks such as mating, pregnancy, and breastfeeding. They should maintain a good level of nutrition in order to achieve the goals of multiple births, prolificacy, more living, and more strength. Therefore, the feeding and management of pregnant ewes is part.......