核桃是一种重要的木本油料,种仁味美可口,营养丰富,含油率可达70%左右,颇受群众欢迎。 1958年以来,各地建立了不少核桃园,零星核桃树到处可以见到,有的树已经结果,有的树至今尚未结果或结果较少,特别是零星核桃材,常常只见到开花,不见结果。为什么一、二十年生的核桃村只开花不 Walnut is an important woody oil, seed delicious, nutritious, oil content up to 70%, popular among the public. Since 1958, many walnut gardens have been established around the country. Sporadic walnut trees can be seen everywhere. Some trees have been found. Some trees have not yet achieved or have fewer results. Specially sporadic walnut trees often only see flowering and no see result. Why one or two years of walnut village blossom is not