Different concentrations of Bioactive Water Retaining Agent (BWRA) were made with carboxymethyl cellulose, plant stover and the mixture of them in order to find out the effect of the BWRA on seedling growth and survival rate.

• 为研究活性保水剂对苗木生长及成活率的影响情况 ,采用羧甲基纤维素、秸秆粉以及两者的混合物配成不同含量的保水剂 ,并进行了造林对比试验。