advantages and disadvantages of crop rotation

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Question:

Answers:regenerates the soil.

Question:A. Moving plants to face the sun B. Taking advantage of corn's ability to fix magnesium C. Rotating nitrogen fixing legume crops with non-legume crops each year. D. All of the above

Answers:C. Rotating nitrogen fixing legume crops with non-legume crops each year.

Question:Why is it that midwest farmers have gone away from rotational crop farming method? Like one year planting soy beans to fertilize the soil then next year growing corn to take advantage of the nitrogen produced by the soy beans. That way they would save money on fertilizer.

Answers:CRP is still used throughout the midwest. There are government subsidies for farmers who take advantage of it. This typically involves a period of 3-5 years where the land is left alone to become overgrown with native plants, as well rotating the cycles of cash crops as you mentioned.

Question:what are the advantages and disadvantages of pesticides?

Answers:Advantage: Pests which spread diseases (think mosquitoes) are eliminated. Crops are preserved. Disadvantage: Pesticides are poisonous and need to be regulated... unregulated pesticides kill humans and animals. Also, pesticides don't distinguish between bad pests (ie - aphids) and helpful pests (ie - ladybugs or bees).