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- They digs in moist soil and feeds on plant roots. 它们在潮湿的泥土中钻洞，吃植物的根部。
- The picture show how the plant roots go deep into the soil. 这张照片显示植物的根是如何深入到土壤里去的.
- The abstraction of elements from soil water by plant roots can have a marked effect on chemical reaction rates. 植物根系从土壤水中摄取养分元素能对化学反应速率产生显著的影响。
- Water is held so tenaciously that most plant root systems cannot absorb it. 水被牢牢地吸住以至于不能被大多数植物根系吸收。
- The growth of a living organism in response to gravity,as the downward growth of plant roots. 对于地心引力的向性有机体的生长对地心引力的向性，如植物根部向下长。
- Zinc is brought up from lower horizons by plant roots, and is held in the resultant organic. 植物根系从土壤深层吸收锌素，并将其保持在所构成的有机残体中。
- A common metallic green European beetle: larvae feed on plant roots and adults on leaves and flowers of e. G. Roses. 普通有金属光泽的绿色甲虫;幼虫吃植物的根部,成虫玫瑰等的叶和花。
- Ground water also contains dissolved carbon dioxide from the air and from the exchange of gases in plant roots. 地下水也含有溶解了的二氧化碳，这些二氧化碳是从空气和从植物根系的气体交换中获得的。
- The growth of a living organism in response to gravity, as the downward growth of plant roots. 对于地心引力的向性有机体的生长对地心引力的向性，如植物根部向下长
- Title： Morphology and histology of eleven medicinal plant roots of Dendrobium Sw. 关键词：石斛属;根;横切面观;根被表面观;形态学;组织学
- The term mycorrhizae refers to the symbiotic association between certain soil fungi and plant roots. 菌根是指是些土壤直菌与植物根系所形成的共生关系。
- They are also completely terrestrial and some form mycorrhizal associations with plant roots. 它们完全是陆生的，一些菌根与某些植物的根形成共生关系。
- The research progress of plant roots on soil erosion control in recent years is reviewed. 摘要介绍了近年来植物根系对土壤侵蚀控制机理的研究进展。
- Humus, a substance found in soil, is soft and spongy and enables plant roots to send out tiny hairs through that they absorb water and food. 土壤中的腐殖质是柔软多孔的,能够使植物根部所伸出微小的根须通过,吸收水和养料。
- Fertilizer N not taken up by plant roots is subject to microbial immobilization and losses by denitrification, volatilization and leaching. 未被植物根系吸收的肥料氮会被生物固定和通过反硝化、挥发和淋失而损失。
- Wang JG, Zhang FS, Zhang XL and Cao YP (1999) Release of Potassium from K-Bearing minerals: Effect of Plant Roots under P Deficiency. 崔建宇、王敬国、张福锁，1999，肥田萝卜、油菜对金云母中矿物钾的活化与利用，植物营养与肥料学报5(4):328-334。
- Remove harmful substances, retained the active substance, add a useful element, plant roots, stems and leaves can be direct and rapid absorption of water-soluble substances. 去除了有害物质，浓缩了活性物质，添加了有益元素，变成了可以被植物根、茎、叶直接而快速吸收的水溶性物质。
- The plant was growing at an angle. 植物呈一定角度生长。
- It is absorbed by plant roots as the potassium ion, K+, and in plants is the most abundant cation in the cell sap. 以钾离子K+的形式通过根系吸收，在植物中是细胞液里最丰富的阳离子。
- Some plants root easily. 有些植物容易生根成长。
