一水稻旱直播的优点水稻旱直播在东北地区已有80多年历史.它分两种类型,一种是人力旱直播;另一种是畜力或机械旱直播。其优点有下述几点:1.调节雨量之供应:东北地区雨量多集中在7、8两月,大部地区发生春旱夏涝现象。水直播常感缺水的困难,据在铁岭的调查,人力旱直播比水直播 The advantage of dry broadcasting of rice The dry broadcasting of rice has been in the northeast for more than 80 years and is divided into two types, one is manpower dry broadcasting; the other is animal power or mechanical dry broadcasting. The advantages of the following points: 1. To adjust the supply of rainfall: the rainfall in the northeast mostly concentrated in the 7,8 two months, most areas of the phenomenon of spring drought summer floods. Water often feel the difficulty of water shortages, according to the survey in Tieling, human direct broadcast drought than water