Compared with no used Wote super absorbent and PAM in loess hilly and gully regions of northern Shaanxi, applying Wote super absorbent and PAM in small holes near seed potato and soaking seed potato with 1.0% Wote super absorbent and 1.0% PAM, the effects of Wote and PAM on soil moisture and growth of potato were researched. The results showed: soil moisture in 10~20 cm and 30~40 cm deep soil of all treatments were slightly higher than that in CK betore floressence of potato, and were slightly lower than th...
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