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在华宁县的阳朝、小土城和麦勒果一带,栽种着一种核桃,因果大、壳薄、种仁饱满、味香、含油率高而出名。又因壳色白净被称为大白壳核桃。华宁大白壳核桃平均果重18克,最大的每个重22.3克;果的直径为4.2——4.6厘米。果仁与壳的重量比为56.2％与43.8％,壳厚0,9—1.2毫米。这些指标都接近或超过省内外的优良核桃品种。因此被列为云南省四大优良核桃品种之一。但多年来,由于各种因素制约,这种核桃产量满足不了需求。为了发挥这一品种的优势,县林业局、县科委从技术、资金等方面给予了适当扶持,地区科委列项,作为华宁县“八五”期
In the counties of Yangting, Tuotou and Meileu of Huaning county, a walnut is planted, famous for its big causalities, thin shells, rich kernels, fragrant notes and high oil content. Because the shell color white net is known as white shell walnut. Hua Ning white walnut average weight 18 grams, the largest weight of 22.3 grams each; fruit diameter of 4.2 - 4.6 cm. The weight ratio of nuts to shell is 56.2% and 43.8%, and the shell thickness is 0,9-1,2 mm. These indicators are close to or better than the province of fine walnut varieties. Therefore, it is listed as one of the four fine walnut varieties in Yunnan Province. But over the years, due to various constraints, this yield of walnut can not meet the demand. In order to give full play to the advantages of this variety, the county forestry bureau and county science and technology commission have given appropriate support from the aspects of technology and funds, and the regional science and technology commissions are listed as the “Eighth Five-Year Plan” period