CBSE Class 9 Answered
There are many disadvantages of using fertilizers. Is there any other solution of supplying nutrients naturally, which can be received by the plants and the soil faster?
Asked by Mareena Mathew | 26 Jun, 2013, 06:04: PM
Expert Answer
i. Use of biofertilizers: Biofertilizers are the organisms which enrich the soil with nutrients. They are used for specific crop plants such as legumes, pulses, oil seeds and rice. They are not alternatives to chemical fertilizers but can play a supplementary role in supplying nitrogen to specific crops under specific soil conditions.
ii. Manures: Manures add organic matter to the soil and thus provides nutrients to the plants.
ii. Manures: Manures add organic matter to the soil and thus provides nutrients to the plants.
Answered by | 27 Jun, 2013, 10:41: AM
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