Requirement of macronutrient per acre of the land is_________________?
Correct answer: A. 5 to 200 kg
- A. 5 to 200 kg
- B. 20-200 kg
- C. 200-400 kg
- D. 30-400 kg
Explanation
Macronutrients such as nitrogen, phosphorus and potassium are required in relatively large amounts, commonly about 5 to 200 kg per acre depending on the crop and soil. Students may choose b because 20 to 200 kg sounds like a typical fertiliser range, but it excludes the lower end of the stated requirement.
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About Properties of Liquids
Liquid behavior depends on intermolecular forces, which produce surface tension, viscosity, capillary action and a definite volume without a fixed shape. The topic also covers vapor pressure, evaporation, boiling point and the effect of temperature and external pressure, while distinguishing evaporation at the surface from boiling throughout the liquid.
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