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Soils

SOILS
Across
compounds in foods essential to life and health
perforating the soil with small holes to allow air, water and nutrients to penetrate the grass roots
chemical reaction that takes place inside a plant, producing food for the plant to survive
a minute opening in a surface
the action of raising land
percolating liquid
a certain soil texture to physically hold water against the force of gravity
formed by the decomposition of leaves and other plant material by soil microorganisms
growing a series of different types of crops in the same area across a sequence of growing seasons
added to soil to increase it
Down
It is the way that energy is released from glucose so that all the other chemical processes needed for life can happen
a mixture of various decaying organic substances
When legume takes nitrogen from the air and puts it into the soil Eg: Clover
continued possession, use, or control of something.
white caustic alkaline substance consisting of calcium oxide
The process of water leaving
a two-step particle aggregation process in which a large number of small particles form a small number large flocs
a whole formed by combining several separate elements.
easily crumbled
biological material in the process of decaying or decomposing
process of applying controlled amounts of water to plants at needed intervals
measure of how acidic/basic water is