洛惠渠已于2月10日开閘放水,按照預定計划积极进行春灌。为了做好今年的春灌工作,保証夏粮增产,我局首先实地調查了需要春灌的各种作物的面积,并根据冬灌、地下水位、墒情、土地返盐程度及排水条件等因素,因时因地因作物制宜地确定了灌水定額与灌水次数;其次,根据历年的河源供水量的利用率、灌水定額、輪灌期和各級渠道有效利用系数,用其适合于今年客观情况的 Lo Wai drainage channel has been launched on February 10, in accordance with the scheduled active spring irrigation. In order to do a good job in this year’s spring irrigation work and ensure the summer grain yield increase, the Bureau first conducted an on-the-spot investigation on the area of ​​various crops that needed spring irrigation. According to factors such as winter irrigation, groundwater level, soil moisture content, land return salt level and drainage conditions, Secondly, according to the utilization rate of Heyuan water supply over the years, irrigation quota, rotation period and the effective utilization coefficient of channels at all levels, it is suitable for this year’s objective situation