Research on a combined seed and fertilizer drill of precision variable rate control drived by engine 机械驱动式精密变量施肥播种机的研制
2.
On the demand of precision agriculture of variable rate input technology , the homemade combined seed and fertilizer drill were successful manufactured 摘要根据精准农业变量投入的技术要求，研制成功国产变量施肥播种机。
