"English walnut: a Eurasian tree ( Juglans regia) cultivated in southern Europe and California for its valuable wood and its large, edible nuts." “胡桃:欧亚大陆的一种核桃树(核桃核桃属),核果大且可吃,其木材有价值.”
The walnut nolid moth, Nola distributa walker, is a major pest of walnut tree in the vicinity of peking. 核桃瘤蛾是北京市郊区核桃树的主要害虫之一。
Give him a walnut tree. 给他一棵核桃树。
It runing and jumping through the shrub and field, under a walnut tree; 它跑跑跳跳,就穿过了灌丛和一片空地,跑到了一棵核桃树下;
North American walnut tree with hard dark wood and edible nut. 北美胡桃树,有硬的黑木和可食用的果实。
North American walnut tree having light-brown wood and edible nuts; source of a light-brown dye. 北美胡桃树,有浅褐色的木头和可食用的果子;一种浅褐色染料的来源。
Father, red sorghum claims to cure your fever; the age-old walnut tree professes. 父亲,红高粱说要治好您的发烧,老核桃树说。
Except for the peach trees and the walnut trees, the leaf litters decomposition of other tree species can prevent the negative polarization of the urease; 除桃树、核桃树种外,引入其他树种可以防止土壤脲酶活性不断降低这一负向极化;
There was remarkable correlation between the depth of frozen earth and the sprout rate of young walnut tree; 冻土深度与核桃幼树抽条率极显著相关;
Improvement of Young Seedling Walnut Tree 幼龄实生核桃树的改造技术
The Status of Mineral Nutrients by Walnut Tree Reproductive Organs 核桃生殖器官的矿质营养动态
Studies on the Shield Bud Grafting on Walnut Tree 核桃嵌芽接技术研究
The cutting back pruning of central section of spring shoots could stimulate growth of precocious walnut, and obviously strengthen the tree vigor and control branches withered. 从春梢中部短截修剪,能够刺激扶风早实核桃植株的生长,对增强树势和抑制枝条枯死有明显作用。
The density and strength of English Walnut, Gingko, Camphor Tree Camphor Wood and Rubber Tree were medium, and the density and strength of Common Jujube and Chinese Chestnut were high. 核桃、橡胶、樟树和银杏的密度和力学强度较大,板栗和枣树木材的密度和力学强度很大;
In semiarid mountainous area of Yangquan, the main factor which restricts walnut tree growth is water. Seed soaking strengthen management during seeding stage is the important method to improve seedling ratio and growth. 水分是阳泉半干旱土石山区影响苗木生长的重要因子,进行核桃种子浸泡处理、加强苗期管理,是提高出苗率和促进苗木生长的重要手段。
The resistance of shoots of different cultivars of walnut seedlings had positive correlation significantly with the increment of tree height, the increment of trunk girth, tree height and trunk girth. 不同品种的核桃实生树枝条电阻分别与株高增长量、干周增长量、株高、干周呈显著正相关。
Water Potential in Different Parts of Walnut Tree During Early Period of Fruit Development 核桃果实发育初期的水分状况
The results obtained showed that ( 1) walnut tree could not sprout when some factors such as average day temperature, average day ground temperature, average day evaporation, average day wind velocity and atmospheric humidity changed greatly; 结果表明:(1)日平均气温、日平均地温、日较差、日蒸发量、日平均风速、大气湿度等因子在达到任一极端值时,均不能使核桃幼树抽条;
We introduced into the eastern black walnut tree seeds for nurturing technological research from Pennsylvania in America. 从美国宾西法尼亚州引进东部黑核桃种子进行苗木培育技术研究,探索提高发芽率的方法、苗木的适应性及苗木快速培育技术。
Walnut is the most widespread tree in genus walnut ( Juglans) of walnut family ( Juglandaceas). It is a kind of woody and grain plant which mainly produces kernels and itis also an important plant for economics, commercial timber and greening. 核桃属胡桃科(Juglandaceae)核桃属(Juglans)植物,是我国栽培较为广泛以果仁为主要产品的树种之一,也是经济、用材和四旁绿化的多用途重要树种。
Selecting and Exploiting of Jianshi Walnut Superior Tree 建始核桃优树选择与利用研究
Early fructification, more fruit-bearing and abundant branches of precocious walnut in Fufeng county will cause that nutritional components is overly consumed and tree vigor get untimely weakened. 扶风早实核桃由于结实早,结果多,分枝多,养分过度消耗,容易引起树势过早衰弱。
In this research, the relation between sprout of the young walnut tree and a lot of meteorological measures was analyzed. 研究分析了在和田地区核桃幼树抽条与诸气象因子的关系。
Allelopathy is obvious selectivity and specificity, walnut tree is the typical allelopathic plant, but as long as we choose suitable plants intercropping with walnut, agroforestry will be able to give full play of the advantages grown. 化感作用具有明显的选择性和专一性,核桃虽为典型的化感树种,但只要选择与其相适应、相生的植物,就能充分发挥林药复合种植的各种优势。