Multiple choice Which of the following desirable effect results because of rotation of crops? Higher pest resistance Increase in fertility of soil Increase in the protein content of the yield Decrease in the use of pesticides Lower moisture content of the yield Reveal answer Fill a bubble to check yourself B Correct answer Explanation Crop rotation helps maintain soil fertility by preventing the depletion of specific nutrients, as different crops have varying nutrient requirements and some, like legumes, fix nitrogen in the soil.