If Soil Test Results for P Are Available, the Optimum

question 30

Multiple Choice

If soil test results for P are available, the optimum amount of P fertilizer to apply to a crop can be best recommended by __________.

• A) comparing the cost of P fertilizer to the yield responses measured in the past when P was applied to similar soils with similar soil test P levels
• B) subtracting the available soil test P from the total P uptake for the desired yield goal
• C) subtracting the soil test P level measured from the soil test P level considered to be on the border of "high" and "very high"
• D) calculating the amount of P needed to bring the ratios of soil test P to N, P to K, and P to
• E) these days, all four of the above a done, in order, by a computer program

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Definitions:

Foreign Soil

Foreign soil refers to land or territory under the sovereignty of a country other than one’s own.

Californios

Descendants of Spanish and Mexican settlers in the California region, especially before and right after it became part of the United States.

Fort Sumter

First battle of the Civil War, in which the federal fort in Charleston (South Carolina) Harbor was captured by the Confederates on April 14, 1861, after two days of shelling.

Confederate Forces

Military units, soldiers, and personnel that fought for the Confederacy during the American Civil War, primarily representing the southern states that seceded from the Union.