美国水稻机械化概述
THE GENERAL INTRODUCTION OF RICE MECHANIZATION IN THE UNITED STATES
-
摘要: 在美国,水稻种植已实现高度机械化。至1981年每英亩所需劳力已减少到仅需3.3工时。 本文从机械化农业要求出发,介绍了美国在水稻生产过程中对机具作业的农业技术要求;所采用机具的主要原理以及近年来在农机具方面的新改进。Abstract: Rice cultivation has been highly mechanized in the United States. The labor required for rice production had decreased to 3.33 man hours per acre by 1981.In this paper, the demands of each step in rice production have been mentioned. And some new farm equipment and their main principles have also been introduced.