Environmental Studies

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[1] The fixation of large amounts of potassium from applied fertilizer would reduce the cation exchange ...

[2] Other things being equal, a soil with 30% clay of the ________ type would be expected to have the ...

[3] Other things being equal, a soil with 30% clay of the ________ type would be expected to have the ...

[4] Given this table of plant residue analyses, choose the "highest quality" residue in terms of ...

[5] Disease suppressive soil often results from:

[6] Soil reaction indicates the degree of acidity or alkalinity in a soil.

[7] The order of strength of adsorption of ions by most colloids when they are present in equivalent ...

[8] Allophane differs from other silicate clays in all ways but one of the following. Select the one.

[9] Which of the following is not a major factor in determining the soil aeration status?

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