Many forest tree species have multiple archegonia which,after fertilization produce a number of proembryos.
许多林木树种都有颈卵器，受精以后便产生许多原胚。
Effects of bathing pool bacterials density on laying, fertilization rate and live embryo rate in goose farm
鹅场洗浴池细菌密度对鹅产蛋数、受精率和活胚率的影响
Prevention effects of formula fertilization by soil testing against rice sheath blight in early rice fields
测土配方施肥对早稻纹枯病预防效果
Scientific fertilization is one of the important methods to achieve the fastgrowth and highyield Eucalyptus.
摘要科学施肥是实现桉树人工林速生丰产的一个重要措施。
Advance in Growth Monitoring and Variable Nitrogen Fertilization in Winter Wheat Based on Remote Sensed Data
基于遥感数据的冬小麦长势监测和变量施肥研究进展
Effect of nitrogen fertilization on the vegetation structure and biomass of degraded meadow and soil fertility
施氮对退化草甸植被结构和生物量及土壤肥力的影响
Water and Nitrogen Dynamics in Soil and Crops Growth as Affected by Sprinkle Irrigation and Fertilization Management
喷灌水氮管理对土壤水氮动态及作物生长的影响
Experiment on Artificial Fertilization of Martens Pearl Oyster Pinctada martensii without Ammonia Water Stimulation.
马氏珠母贝无氨水刺激人工授精试验
Management of Fertilization and Water for Chinese Cabbage in seedling period and continuous cropping period in Autumn
秋季大白菜幼苗期和莲座期的肥水管理
The Characteristics of Ginger Nutrition and Technology of Balanced Fertilization for Excellent Quality and High Yield
生姜的营养特性和优质高产平衡施肥技术
artificial fertilization Fecundation carried out by stripping broodstock organisms and mixing together sperm and eggs.
人工受精以人为方式使精卵于生物体外授精。
The oocytes release from the MII arrest complete the meiotic division till fertilization or parthenogenetic activation.
直至受精或孤雌活化，卵母细胞才能最终完成减数分裂。
Effect of nitrogen fertilization and square loss on cotton aphid population, cotton leafhopper population and cotton yield
施肥与摘蕾对棉蚜，棉叶蝉种群数量及棉花产量的影响
The polar nuclei autonomously developed into endosperm without fertilization and the egg apparatus ultimately degenerated.
卵器最终退化，极核不经受精自发形成胚乳。
Double Fertilization of Hevea brasiliensis Study of pathological changes and clinical features of dermatitis blastomycosis
橡胶树双受精作用的研究皮炎芽生菌病的临床和病理
Effect of Vascular Endothelial Growth Factor on the Early Development of Bovine Embryos Derived From In Vitro Fertilization
血管内皮生长因子对牛早期胚胎发育的影响
Inorganic Nitrogen Leaching from Meadow Brown Rice Field on Lower Liaohe River Plain as Affected by Chemical N Fertilization.
下辽河平原潮棕壤稻田的无机态氮淋溶
Effects of culture system on developmental competence of bovine oocytes following maturation, fertilization and culture in vitro
培养条件对牛卵母细胞体外受精后胚胎发育的影响
Parthenogenetic Activation of Buffalo Oocytes and Compare Embryo Development after Chemical Activation and in vitro Fertilization
水牛卵母细胞孤雌激活及孤雌胚与体外受精胚发育的比较
Effect of Selenium Fertilization on Flag Leaf Physiological Characteristics and Grain Selenium Content and Yield after Anthesis of Wheat
硒肥对小麦花后旗叶生理特性和子粒含硒量及产量的影响
Effects of bicarbonate with identical layer of water and fertilization at the same soil zone on growth and nutrient uptake of maize plants
碳酸氢根与水肥同层对玉米幼苗生长和吸收养分的影响
Effects of sexual developmental stages, follicular and? Luteal factors on in Vitro maturation and in vitro fertilization of bovine oocytes
牛性机能发育阶段与卵泡，黄体因素对卵母细胞
In order to accelerate close canopy of new plantation Phyllostachys nuda forest, fertilization experiment on new growing bamboo was carried.
为了促进新造林的郁闭，对新造石竹林进行施肥研究试验。
Differences in the requirements of plant species for potassium fertilization are often attributable to the kind and activity of the root system.
各种植物对钾肥的不同需求，常归因于根系的特性和活力。
Effects of Follicle Size and Bovine Follicular Fluid on Developmental Competence of Bovine Oocytes Following Maturation, Fertilization and Culture in vitro
卵泡大小及卵泡液对牛卵母细胞体外受精后发育的影响
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