Abstract:

To improve the applying level of polyacrylamide, field experiments were conducted to investigate the effects of polyacrylamide on yields and quality of watermelon. There were two treatments with PAM treatment (applying polyacrylamide of 37.5 kg/hm2) and CK treatment (no polyacrylamide).The varieties of watermelon were jingxin no.2 and L600. The results showed that yields of jinxin no.2 and L600 with applying polyacrylamide were 63.0 t/hm2 and 85.8 t/hm2 respectively, increased by 6.39% and 20.2% when compared to CK treatment. Applying polyacrylamide did not affected the watermelon fruit quality. The economic benefits of applying polyacrylamide were 85.7 and 143 thousand of jingxin no.2 and L600, which increased by 6.61% and 23.8% respectively when compared to CK treatment. In conclusion, the polyacrylamide has the widely application prospect because of achieving the effects of increasing product and economic gains in watermelon.