In Minqin area, under the protection of shelterbelts, the wheat yields have the distribution of the impacted area and the increased area, which the yield in the impacted area is 67.29% of common yield and the yield in the increased area is higher than common yield 3.3%. Under the protection of shelterbelts, the wheat yield is higher than the no-shelterbelts 4.65% in Minqin oasis; the shelterbelts of Minqin are better than of Liangzhou District, so obviously, its wheat contributed to 20.8%. The shelterbelts of Liangzhou District is few, and the wheat yield with shelterbelts porotection is higher than no protectoon 18.5%. Minqin shelterbelts on wheat production in the contribution rate is relatively low, and wheat production have increased spoace. The goverment increases the strength to the construction of the shelterbelts in order to play the role of crop production.
Key words: Minquin, oasis, shelterbelts, crop yield