Abstract: The soil improvement and soil moisture technology by agricultural machinery were put forward, designing and making it according to the characteristics of geographical position and climate in the north, drought phenomenon is becoming more and more serious, leading to the difficulty of sowing. Annually, soil moisture is measured before sowing, experiment showing, the technology not only can increase soil moisture but also improve the problem of soi soil hardening by using rotary cultivator in the long time. Meanwhile, it provides the necessary technical support to ensure the farmers to sow seeds and to increase the income of farmers.

Key words: arid region, suspension type, soil moisture, machinery