Judicious use of Fertilizers
Biofertilizers are the substances that contain living microbes and, when applied to soil either by soil application or seed priming, colonize the rhizosphere. These applied microbes interact with plants and improve growth and yield with their different growth-promoting mechanisms.
A farmer has been using excess quantities of chemical fertilizer in fields for a number of years. The crop yield began to reduce inspite of using chemical fertilizers. Which of the following are correct option? A. The soil has become more acidic. B. The soil has become more alkaline. C. The yield can be improved by adding slaked lime to the soil. D. The yield can be improved by adding some organic matter. E. The yield can be improved by adding common salt. | |||
| Right Option : D | |||
| View Explanation | |||
Identify the correct statement about bio-fertilisers. | |||
| Right Option : C | |||
| View Explanation |
Which of the following are correct : (a) Fertilizers are man- made inorganic salts or organic compounds. (b) Fertilizers is not very soluble in water. (c) Fertilizers are readily absorbed by plants because they are soluble in water. | |||
| Right Option : C | |||
| View Explanation | |||
Students / Parents Reviews [10]
About Abhyas metholodology the teachers are very nice and hardworking toward students.The Centre Head Mrs Anu Sethi is also a brilliant teacher.Abhyas has taught me how to overcome problems and has always taken my doubts and suppoeted me.
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Eshan Arora
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Archit Segal
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