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1958——1959年调查南疆核桃品种,约有30余种,现据调查访问及初步分析鉴定,约有7个优良品种,可供大量推广:1、纸皮核桃:本品种壳薄如纸,指捏即碎,幼果扁椭圆形,纵径4.32厘米,横径3.58厘米,每公斤有果约83个,每个种核重为11.7克,仁重7.88克,核仁率67.16%,含油量71.45%,仁甜而饱满,单株产4000——5000个,果实9月中旬成熟。2、油核桃:含油量很高,故称油核桃。幼果成扁广卵形,壳薄
1958 - 1959 survey of walnut varieties in South Xinjiang, about 30 species, according to the investigation and preliminary analysis of the visit identified, there are about 7 fine varieties, for a large number of promotion: 1, walnut: This species thin as a shell paper , Refers to pinch that is broken, young fruit flat oval, vertical diameter 4.32 cm, diameter 3.58 cm, about 83 per kilogram of fruit, each kind of seed weight was 11.7 grams, kernel weight 7.88 grams, 67.16% nucleolar rate, Oil content of 71.45%, sweet and full of sweet, per plant produced 4000 - 5000, ripe fruit in mid-September. 2, walnut oil: high oil content, so called oil walnut. Young fruit into flat broad oval, shell thin