Quiz- True or False 5. Organic matter produced form plants affect growth of soil
ID: 204251 • Letter: Q
Question
Quiz- True or False
5. Organic matter produced form plants affect growth of soil bacteria and fungi
6. Phosphates and nitrates from farm field and cattle feed lots are aquatic nutrient
7. Sustainable farms include controlled irrigation
8. Commercial agriculture: growing food for consumption by farmer’s family
9. Subsistence agriculture: growing food for sale off the farm (machinery and technology)
10. Grain farming is the most common form of agriculture in the US
11. Wheat is grown to a considerable extent for international trade and is the world’s leading export crop
12. In US, cheese production is widely dispersed because of its perishability, but milk production is far more concentrated.
Explanation / Answer
5. True The living part of soil organic matter includes a wide variety of micro-organisms such as bacteria, viruses, fungi, protozoa and algae. They play an important role in immobilising and retaining nutrients in the soil.
6. True nutrientssuch as phosphates and nitrate are supplied to lakes and rivers.
7. True Smart irrigation controllers focus on sustainable agriculture.
8. False a s growing food for farmer's family is not the example of commercial aggicultue as it is Subsistence agriculture
9. False as growing food for sale off the farm (machinery and technology) is commercial aggriculture
10 True as grain farm are primarily for consumption
11. True wheat is mostly consumed by humans, thus greater market value. Hence Wheat is grown to a considerable extent for international trade and is the world’s leading export crop
12. False as Milk production is widely dispersed because of its perishability, but cheese production is far more concentrated.
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