Question

Utilizing ultisols for agriculture requires _______. a. extensive irrigation b. fertilizer to balance the high alkalinity of the soil c. adding organic matter to supplement the shallow horizons d. fertilizer to replace nutrients that leach from the soil

Answer 1

Answer:

The correct answer is option b, that is, fertilizer to balance the high alkalinity of the soil.  

Explanation:

Ultisols refers to the soils, which have produced in the humid regions and are weathered intensely. They generally comprise a subsoil horizon, which exhibits an appreciable concentration of translocated clay, and are comparatively acidic. The majority of the nutrients are captivated in the upper centimeters of the soils, and these soils are usually low in fertility, however, they can turn productive with the supplementations of lime and fertilizer.  

Answer 2

Answer:

fertilizer to replace nutrients that leach from the soil

Choice D is correct

Explanation:

Utilizing ultisols for agriculture requires fertilizer to replace nutrients that leach from the soil