为SAP和PAM的复配节水技术提供理论依据，采用盆栽试验方法，研究SAP和PAM两种高分子聚合物不同配比处理对土壤水分及小麦生长发育和产量的影响。结果表明：在小麦全生育期土壤含水量均表现为复配>PAM>SAP>CK，土壤含水量较高时各处理较对照增幅为3.98%~6.86%，含水量较低的情况下增幅为13.6%~64.78%，复配处理增幅最大，说明施用SAP、PAM均能降低土壤水分蒸发量，尤其是复配处理效果更显著。SAP处理在小麦全生育时期根部生长量变化较为平缓，对小麦苗期生长量影响较大，PAM处理的地上、地下干物质重和根冠比从开花期到成熟期均为最高，说明PAM可促进小麦中后期的生长发育。SAP、PAM单施和复配均可提高小麦产量，较对照增幅分别为10.35%、19.09%、16.44%，PAM处理主要通过提高粒重来提高产量，复配处理主要通过增加穗粒数来提高产量。

The effect of different mixture ratios of two high molecular polymers SAP and PAM on soil moisture content, growth and yield of wheat in the potted experiment were studied, provides the theory basis for water-saving technology of applying combined SAP with PAM. The results showed that, during the whole growth period of wheat, the soil moisture content all prove to be SAP+PAM > PAM > SAP > CK. Compared with CK, when the soil water content at high level, the increment of different treatments ranged from 3.98% to 6.86%, and when it was at low level, the increment ranged from 13.6% and 64.78%, and the increment was the highest in SAP+PAM treatment, providing an information that SAP and PAM could reduce soil moisture evaporation, especially the SAP+PAM treatment was more obvious. The roots growth during the whole growth period of SAP treatment was not sharp, but had effect during the wheat seedling growth stage. Dry weight of shoot, root and root to shoot ratio of PAM treatment were the highest from anthesis to mature growth stage, proving that PAM could accelerate the growth of wheat in the late period of wheat. Single application of SAP, PAM and their compound all improved the wheat yield, compared with CK, the increment were 10.3%, 19.09% and 16.44% separately. The PAM treatment improved wheat yield mainly through increasing the grain weight, while combination treatment mainly through increasing the grain number per spike.