Question

video: why do farmers rotate crops? - farm basics

1. what does crop rotation mean in farming?
2. name two reasons why farmers rotate crops.
3. analyze the potential long - term effects on soil health if a farmer doesnt practice crop rotation.
4. evaluate the pros and cons of rotating multiple crops versus sticking to just two main crops corn and soybeans.

website click here

1. what is mechanization in agriculture?
2. list two benefits of agricultural mechanization mentioned in the text.
3. how does mechanization contribute to reducing poverty and achieving food security?

Explanation:

1. Crop rotation is the practice of growing different types of crops in the same area in sequential seasons to improve soil fertility, reduce pests and diseases, and manage weeds.
2. Two reasons are: 1) To replenish soil nutrients as different crops have different nutrient - requirements. For example, legumes fix nitrogen. 2) To reduce pest and disease build - up as pests and diseases are often specific to certain crops.
3. Without crop rotation, soil may become depleted of specific nutrients over time, leading to reduced soil fertility. Pests and diseases that target the single or few crops grown repeatedly may increase in number and severity, and soil structure may deteriorate due to lack of diversity in root systems.
4. Pros of rotating multiple crops: Greater biodiversity, more balanced nutrient use, reduced pest and disease pressure as pests are less likely to find a continuous food source. Cons: More complex management, higher risk of failure for some less - common crops. Pros of sticking to corn and soybeans: Familiarity in management, established markets. Cons: Potential soil nutrient imbalances over time, increased pest and disease pressure specific to these crops.
5. Mechanization in agriculture is the use of machinery and equipment to perform agricultural tasks such as plowing, planting, harvesting, and irrigation instead of relying solely on manual labor or animal - power.
6. Two benefits could be increased productivity (machines can work faster and for longer hours than humans or animals) and reduced labor costs (less manual labor is required).
7. Mechanization increases agricultural productivity, allowing farmers to produce more food. This can lead to increased income for farmers, reducing poverty. More food production also helps in achieving food security by ensuring a more stable food supply.

Answer:

1. Crop rotation is growing different crops in the same area over sequential seasons for soil health, pest control, etc.
2. Replenish soil nutrients; reduce pest - disease build - up.
3. Soil nutrient depletion, increased pests/diseases, soil structure deterioration.
4. Multiple crops: pros - biodiversity, balanced nutrients, less pests; cons - complex management, higher risk. Corn - soybeans: pros - familiarity, established markets; cons - nutrient imbalances, more pests.
5. Use of machinery for agricultural tasks instead of manual/animal labor.
6. Increased productivity; reduced labor costs.
7. Increases productivity, income for farmers, and food supply for food security.