水稻旱种是一整套技术措施,一般在春季水源不足,但要有一定水源的地区进行种植。播种时为早种,苗期旱长,稻苗5～6叶期开始进行水管。水稻从播种到水管40～50天,是早种稻田杂草大发生的时间,既有水生杂草,又有旱生杂草,能否控制住这段时间的杂草是水稻早种成败的关键措施之一,具体措施如下: Cultivation of rice is a set of technical measures, usually in spring lack of water, but to have a certain area of ​​water for planting. Early planting when sowing, seedling drought, rice 5 to 6 leaf stage began water pipes. Rice from the sowing to the water pipe 40 to 50 days, is the early species of rice weeds occurred in time, both aquatic weeds, and weeds, weeds can control the weeds during this period is the success or failure of rice One of the key measures is as follows: