一、苦草的种植方法１．播种期 :一般要求水温在１０℃以上 ,在长江中下游地区 ,适宜的播种期为３月１０日至５月初 ,最佳播种期为３月下旬至４月上旬。２．种植水域要求 :池塘、湖泊、河沟的浅水处或边缘均可种植苦草 ,要求种植水域水质透明度达４０厘米以上 ,水质混浊及池水 First, the cultivation of bitter grass 1. Seeding period: Generally require water temperature above 10 ℃, in the middle and lower reaches of the Yangtze River, the appropriate sowing period March 10 to early May, the best sowing period from late March to early April. 2. Water requirements for planting: Ponds, lakes and ditches can be planted in shallows at the shallow water or on the edge of the river, water transparency of 40 cm