1.栽培季节双季茭白分春栽和夏秋栽两种。春栽在4月上旬栽植,夏秋栽在7月下旬定植。双季茭白对日照要求不严,一年能孕茭2次。在生产上采用小拱棚寄秧育苗。夏茭早春覆盖栽培,利用水库冷水串灌。在海拔500米以上的高山上种植茭白,应合理搭配不同成熟期的品种,并采用错开种植期、精心管理等措施,达到一年多熟, 1. Cultivation season Shuangjiu white sub-spring planting and planted in summer and fall. Spring planting in early April planting, planted in summer and autumn in late July planting. Shuangjiu white on the unsure requirements of the sun, a year to pregnant 茭 2 times. In the production of small arch shed seedling breeding. Clover early spring cover cultivation, the use of reservoir cold water string irrigation. In the altitude of 500 meters above the mountain planted white, should be reasonable with different maturity varieties, and use staggered planting, careful management and other measures to achieve more than a year cooked,