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24 Cards in this Set
- Front
- Back
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top layer of the earth's surface |
soil |
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sphagnum moss |
helps with root growth |
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peat moss |
used in media mixes, it is partially decomposed moss in water logged areas (bogs) |
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perlite |
volcanic glass material, is white, used in media mixes |
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vermiculite |
mineral mica-type material, used in media mixes |
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pH |
affects the availability of nutrients |
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basic/alkaline pH |
7.1-14 |
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acidic pH |
1-6.9 |
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neutral pH |
7 |
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if the soil is alkaline and you want to make it more acidic, then add |
sulfer or aluminum sulfate |
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if the soil is acid and you want to make it more alkaline, then add |
lime |
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lime |
usually applied as finely ground dolomitic limestone, has lots of calcium and magnesium |
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N |
nitrogen |
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P |
phosphorus |
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K |
potassium |
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16-4-8 |
fertilizer that has 16% N, 4% P and 8% K |
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soluble (liquid |
form that fertilizers must become before they can be used by plants |
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examples of organic fertilizers |
manure, bone meal, blood meal |
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examples of inorganic fertilizers |
bags of fertilizer you can by that were created in a lab |
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traits of organic fertilizers |
slow acting, long lasting, contains mostly nitrogen but lacking other primary nutrients |
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traits of inorganic fertilizers |
high level of nutrients blended together for a specific purpose |
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broadcasting |
spreading fertilizer evenly over the entire surface; used on turf and home lawns |
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side-dressing |
the placement of fertilizer in bands about 8" from the rows of plants (field crops) |
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foliar application |
the spraying of fertilizer directly on the LEAVES of plants |
