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Fertility (soil): Quiz


Question 1: ________ is in the range 6.0 to 6.8.
Soil pHFertilizerSulfurAluminium

Question 2: It contains sufficient minerals (trace elements) for plant nutrition, including ________, chlorine, cobalt, copper, iron, manganese, magnesium, molybdenum, sulfur, and zinc.

Question 3: It contains soil organic matter that improves soil structure and ________ retention.
Water wellWater contentHydraulic conductivityPorosity

Question 4: Since the beginning of agricultural production in the ________ of North America in the 1880s about one half of its topsoil has disappeared.
Western United StatesGreat PlainsMidwestern United StatesSouthern United States

Question 5: The term, ________, is used to describe agriculture and garden life.
Water wellSoilLandslideClay

Question 6: It is rich in nutrients necessary for basic plant nutrition, including ________, phosphorus and potassium.

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