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The occupant with the strongest bond at the cation exchange site is nitrogen.

The biosphere is an area of high biological activity surrounding plant roots.

Fresh chicken manure is placed in a compost pile which goes through a process to become mature compost. As part of the process, free amino acids and sugars dissolve into the nearby water. What step in the process of decay is this?

The biological activity of soil microorganisms is affected by soil temperature.

Urea is a man-made nitrogen source that is chemically organic.

Silt particles are the soil particles most easily detached by running water.

Which set of soil classes is well suited for cultivated crops?

Microirrigation concentrates water application at the crop’s root zone.

Vegetation that produces soils that are the highest in organic matter form contain deciduous forest.

Society would benefit by having all wetlands drained and converted to farmland.