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SOIL. The superficies of the earth on which buildings are erected, or may be erected.
     2. The soil is the principal, and the building, when erected, is the accessory. Vide Dig. 6, 1, 49.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.
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He said the hydroponics method of cultivation is soil-less and consumes very less water.
The Risk Assessment of Spent Foundry Sands in Soil-Related Applications evaluated the beneficial use of non-olivine foundry sand produced by iron, steel and aluminum metal-casting operations in manufactured soils, soil-less media or road base.
To visit picture gallery, click here Jothor, a student company from the Higher College of Technology had 18 students from different specialisations who produced an environment-friendly method of reusing old date palm leaves by shredding them into a material that can be used for soil-less cultivation or as a fertiliser.
In horticultural applications, perlite is used throughout the world as a component of soil-less growing mixes where it provides aeration and optimum moisture retention for superior plant growth.
Most houseplants soon exhaust the nutrients in the compost and require feeding by the time the roots have filled the pot, either with liquid, foliar or slow-release fertilisers after six weeks if a soil-less compost has been used or two to three months for John Innes composts.
Alternatively, plant them in large pots of John Innes loam-based compost for the best results, or a compost comprising equal parts John Innes No 2 and a soil-less multipurpose compost, which will hang on to water and nutrients more effectively.
Typically the WP4C water potentiometer will be used with soils, soil-less substrates, plant material and seeds, but it is equally applicable to substances as diverse as fruit, bricks and oil.
After conferring with Bradley, Durham made her plans, moved to Mexico in 2011 and set up a laboratory to mix the 13 liquid nutrients needed to raise soil-less vegetables and begin teaching the residents of Cancn - mostly women - how to do it.
A project is now underway for the construction of greenhouses for soil-less horticultural production on the roof of a public housing complex in Corviale (Rome).
In a series of greenhouse studies, Albano grew marigolds for 47 days in containers filled with standard soil-less potting media.
Venus fly trap SOIL-less, they get all the nutrients they need from one fly a week.