水稻直播是一项传统的栽培技术,也是世界上面积最大的一种栽培方式,以其省工、高效的突出特点成为世界水稻栽培的主要模式。上世纪末以来,随着我国经济的飞速发展,大量农村劳动力转向第二、第三产业,农村劳动力严 Rice planting is a traditional cultivation technique and also the largest cultivation method in the world. With its prominent characteristics of saving labor and high efficiency, rice planting has become the main mode of world rice cultivation. Since the end of the last century, with the rapid economic development in our country, a large number of rural laborers have turned to the secondary and tertiary industries and the rural labor force has been severely hampered