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प्रश्न
What are biofertilisers? Give two examples.
उत्तर
Biofertilisers are organisms that enrich the nutrient quality of the soil. The main sources of biofertilisers are bacteria, fungi and cyanobacteria.
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संबंधित प्रश्न
Give the meaning of the Nif gene.
Your advice is sought to improve the nitrogen content of the soil to be used for cultivation of a non-leguminous terrestrial crop.
1) Recommend two microbes that can enrich the soil with nitrogen
2) Why do leguminous crops not require such enrichment of the soil?
______ are nitrogen fixing micro-organisms.
Which of the following is a free-floating aquatic fern?
Match the Column I (Organisms) with the Column II (Products they produce) and select the correct option.
| Column I | Column II | ||
| i. | Lactobacillus | p. | Cheese |
| ii. | Saccharomyces cerevisiae | q. | Curd |
| iii. | Aspergillus niger | r. | Citric Acid |
| iv | Acetobacter aceti | s. | Bread |
| t. | Acetic Acid |
Anabaena forms symbiotic relationship coralloid roots of ______.
In plant breeding, biofortification is a method ____________.
Which one of the following is not a biofertilizer?
Why are blue green algae not popular as biofertilisers?
Farmers are often suggested to use the following organism in their crop land so as to improve the soil fertility. Explain.
Anabaena
