Potassium manuring may be less critical in continuous grass farming than in ley farming.
在多年生牧草地施用钾肥的迫切性比短期草地要小些.
The importance of grassland husbandry in agricultural economy structure adjustment of Gansu province Thoughts on the Development of Ley-Livestock Farming in the South of China
试论草畜业在甘肃农业经济结构调整中的重要地位南方发展草畜业的几点思考
简答网 · 中考英语
简答网 · 高考英语
简答网 · 双语娱乐资讯