引言很多澳大利亚农场主正在使用能够生产大型干草包的打捆机生产大型干草捆,来取代通常的25公斤重的长方形草捆。广泛采用这些捆草机的原因是使用该类型捆草机能节省劳力(Rowley,1976),并满足草捆生产者需要大量的能适应于在各种气候条件下工作的滚动式打捆机(生产的大型圆草捆能更好地适应于露天贮存和田间堆放)的要求。 INTRODUCTION Many Australian farmers are using large bales that produce large hay bales to produce large hay bales instead of the usual 25 kg bale of rectangular bales. The reason for the widespread use of these hangers is that they save labor with this type of hanger (Rowley, 1976) and meet the breeder’s requirement for a large number of roll balers that can be adapted to work in all climates Large round bales can be better adapted to open storage and field stacking) requirements.