Much of the research on nutrient deficiencies is based on growing plants hydroponically, that is, in soilless liquid nutrient solutions.
许多关于营养不足的研究是基于水培法种植植物，即在无土液体营养液中。
Plants are held in place so their roots lie in soilless troughs, and water with dissolved nutrients is circulated over them.
其方法是：把作物固定在无土水槽里扎根，溶解在水里的营养液在根系周围循环。
Sprouting vegetables can be produced in disused light industry workshops through semi-closed, spatial and soilless culture. It is a new production method combined tradition with intensive production.
利用轻工业生产用厂房进行芽苗蔬菜半封闭、立体、无土栽培，是传统农业生产与工业集约化规模生产相结合的一种新型生产方式。
What are the advantages and disadvantages of soilless culture?
无土栽培 有什么优缺点？
It is a simple but practical way of soilless and blanching culture of chicory.
锯末软化栽培法是一种简单实用的无土软化栽培方法。
The invention provides a soilless sod culture medium prepared by urban waste compost and sand.
本发明提供了一种无土草皮栽培基质，是利用城市垃圾堆肥和沙子制成。
Never add other ingredients such as soil or aggregate which will defeat the entire soilless concept.
千万别再加其他成分了，比如园土啊，集料啊什么的，否则就会破坏无土介质的概念了。
In this study, we come up with a new approach to utilizing the gangue as soilless culture substrate.
就煤矸石利用技术提出了一种新途径。
The domestic wastewater advanced treatment with soilless cultivated bracketplant chlorophytum was studied.
利用吊兰无土栽培系统对二级处理后的生活污水进行深度处理。
There are also formulae with added trace elements for use with soilless mixes and these are very beneficial.
还有一些肥料里面添加了微量元素，是专门为无土介质设计的，很有用。
Which environmental factors must be considered while regulating and controlling the environment of soilless culture?
对无土栽培的环境设施调控，应考虑哪些主要的环境因素？
The prospect, direction and problem of researches on utilizing microorganism in soilless culture were discussed as well.
本文还提出了基质微生物研究的方向和存在的问题，并就基质微生物研究利用的前景进行了展望。
Applied method and effect of Eco organic type soilless culture techniques were studied in the long season greenhouse tomato.
比较系统地研究了有机生态型无土栽培技术在温室长季节番茄生产中的应用方法和效果。
To rotate, fallow, soil disinfection and select succession cropping-ensuring and pest-resistance species, soilless culture etc.
轮作、休闲、土壤消毒、选种耐连作或抗病虫品种、无土栽培等。
There have been great advances in the last 15 years in commercial growing medium and the trend is definitely toward soilless mixes.
最近的15年里，商业贩卖的介质有了长足的进步，并朝着无土化发展。
The results of investigation and analysis implied that the major target of soilless culture study conducted in China were fruits, vegetables, flowers and ornamental plants as well.
结果表明，我国无土栽培的研究对象主要集中于果蔬、花卉及观赏绿化植物；
From the analysis of different culture substrate on appreciating characters and nutrient feature of Begonia semperflorens, the medium M2 is the best material for soilless culture .
通过对四季秋海棠的观赏特性和营养特性分析，在进行四季秋海棠无土基质培时，M2是一种比较优良的基质。
The growth and the purification ability of Hemerocallis fulva Linn. in heavy and light eutrophic water were studied by means of soilless cultivation technique on artificial substratum.
利用小型人工基质无土栽培萱草，研究其在轻度和重度富营养水中的生长及净化能力。
This thesis is divided into six parts to introduce advantage and practice of soilless culture technology. It analyses the development tendency and problems existing in soilless culture.
从六个方面阐述了无土栽培技术的优越性和实用性，讨论了无土栽培的发展趋势和目前存在的问题。
Reed residue substrate, a new organic substrate made from solid wastes of paper-mill, was developed and extended in East China as peat alternative for soilless culture and nursery production.
以造纸废弃芦苇末再生合成的芦苇末基质是正在华东地区推广以替代草炭的本土化有机基质。
Soilless breeding eel can be further divided into running water breeding and closed water breeding.
鳝鱼无土养殖可分为流水无土养殖和静水无土养殖两种类型。
Soilless breeding eel can be further divided into running water breeding and closed water breeding.
鳝鱼无土养殖可分为流水无土养殖和静水无土养殖两种类型。
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