AR Plant Science Unit 5
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| water held between soil particles against the force of gravity | capillary water
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| the smallest of inorganic particles in the soil | clay
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| the most basic form of matter which maintains the characteristics of the substance | elements
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| water that drains out of the soil after it has been wetted | free water
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| any material added to the soil to provide nutrients | fertilizer
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| percentage of nutrients in fertilizer | fertilizer analysis
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| water pulled downward in the soil by gravity | gravitational water
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| water that forms a thin film around soil particles and is not available to plants | hygroscopic water
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| the artificial application of water to plants | irrigation
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| substance that is added to soil, used to raise pH | lime
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| the nutrients needed by plants in the largest amounts; such as nitrogen, phosphorus, potassium, calcium, magnesium, and sulfur | macronutrient
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| the nutrients needed by plants in small amounts; such as boron, copper, chlorine, iron, manganese, molybdenum, nickel, and zinc | micronutrient
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| decayed or partially decayed remains of plants and animals found in the soil | organic matter
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| the measure of acidity or alkalinity of the soil | pH
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| space between soil particles | pore space
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| the largest of the soil particles | sand
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| the middle sized of the soil particles | silt
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| the ability of soil to provide nutrients for plant growth | soil fertility
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| a cross section of the soil, usually 3 to 4 feet deep | soil profile
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| the process of preventing growth of plants in a soil | soil sterilization
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| the way soil particles are arranged | soil structure
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| the amount of sand, silt, and clay in soil | soil texture
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| the layer of soil below the topsoil | subsoil
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| the layer of soil found on the surface | topsoil
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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