Question
Which of the following statements is/are true about the
relationship between soil fertility and nutrient cycling? Statement A: Nutrient cycling refers to the continuous movement and transformation of nutrients between the soil, plants, and the broader ecosystem. Statement B: High soil fertility always indicates efficient nutrient cycling and vice versa. Statement C: Sustainable soil management practices can enhance nutrient cycling and improve soil fertility over time.Solution
Nutrient cycling is a vital process in which nutrients are continually cycled between the soil, plants, and the broader ecosystem. It involves processes such as nutrient uptake by plants, decomposition of organic matter, mineralization, immobilization, leaching, and volatilization. This cycling ensures the availability and sustainability of essential nutrients for plant growth. While high soil fertility can often be associated with efficient nutrient cycling, the relationship is not always linear. Other factors, such as nutrient inputs, soil properties, and management practices, can also influence soil fertility. It is possible to have high soil fertility with inefficient nutrient cycling, or vice versa. Sustainable soil management practices, such as crop rotation, cover cropping, reduced tillage, and organic matter additions, can enhance nutrient cycling in the soil. These practices promote the decomposition of organic matter, improve soil structure, increase microbial activity, and optimize nutrient availability for plants. Over time, improved nutrient cycling contributes to enhanced soil fertility and overall soil health.
Ratio of MP and SP of an article is 5:3 and the article is sold at 20% profit. Find cost price of article, if the selling price is 100 more than its CP?
Ankita sold a cycle for Rs. 17,600 after offering a 12% discount, earning a profit of 10%. Determine the profit percentage if no ...
The shopkeeper sold the earrings at the profit of 25% and the cost price of earrings is Rs.3600. He earns x% profit on bracelet costing Rs.3000. If the ...
A saree having cost price of Rs. 2700 is marked up by 40% above its cost price and sold after offering two successive discounts of 10% and 20% respectiv...
The cost price of two articles is same. One article is sold at 20% profit and another at 10% loss. If the selling price of one article is Rs. 999 more t...
Riya purchased a mobile phone for Rs. 18,500 and sold it for Rs. 21,275. What is the profit percentage she gained?
A bookshop owner sold a novel after offering two successive discounts of 12% and 10%, respectively, such that he earned a profit of 25%. Find the cost p...
Profit earned on selling an item for Rs. 4,060 is 16%. Suppose the seller wants to earn 42% profit, then determine the price at which the item should be...
- The cost price of a table and a chair are Rs. 2,000 and Rs. 800, respectively. The shopkeeper marked up the prices by 20% on the table and 25% on the chair...
A shopkeeper marked an article ‘A’ 25% above the cost price and sold it for Rs. 7056 after giving a certain discount while he sold an articl...