１水稻机械抛秧技术的特点影响抛秧稻产量的主要因素是抛秧均匀度和密度，其次是入土深度和直立度。连云港市３年推广应用的实践表明，２ＺＰＹ系列水稻抛秧机具有抛秧均匀、对秧苗损伤小、作业质量好、结构简单、操作方便和成本低等优点。（１）作业效率高。机抛秧效率... 1  rice machinery throwing technology characteristics Throwing rice production impact of the main factor is the throwing seedling uniformity and density, followed by penetration depth and uprightness. The practice of popularizing and applying for 3 years in Lianyungang City shows that 2ZPY series of rice transplanter has the advantages of uniform throwing seedlings, small damage to seedlings, good operation quality, simple structure, convenient operation and low cost. (1) high operating efficiency. Machine throwing seedling efficiency ...