水生作物白莲，生育期180～2O0天，以地下茎莲藕和地上蓬蓬子为收获对象。以往，人们均对白莲粗放经营，任其自生自长。现在，莲农加大了对白莲生产的科技投入，在增产增效上取得了较大的突破。综合来说，搞好田间管理，把好如下“五关”。l平衡灌水白莲虽是水生作物，但在一般 Aquatic plants white lotus, the growth period of 180 ~ 2O0 days to underground stems lotus root and ground Pompons for harvesting objects. In the past, people were all over Bailian extensive management, let it be self-sufficient. Now, Liannong has increased its investment in science and technology of Bailian production and made a big breakthrough in increasing output and increasing efficiency. On the whole, do a good job in the field management, to better the following “five levels.” Balanced irrigation White lotus although aquatic crops, but in general