According to the natural and economic characteristics in the Weibei dry plateau

the key technology and new way to increase production

i. e. high-efficient and optimized cultivation pattern are present . The results of three years experimental demonstration and popularization show that the production of wheat cultivated by the pattern increases by 62. 92% compared w ith CK

it is about 2176 kg /hm2;production of soybean after wheat harvesting (double cropping) increases by 100%

about 1 500～2 250 kg/hm2

both with significant effects.