Home
Class 9
BIOLOGY
Explain what will happen if in a cultiva...

Explain what will happen if in a cultivated field only manures are supplied and in another field only fertilizers are supplied, keeping all other conditions similar.

Text Solution

Verified by Experts

The correct Answer is:
N/a
Promotional Banner

Topper's Solved these Questions

  • IMPROVEMENTS IN FOOD RESOURCES

    LAKHMIR SINGH & MANJIT KAUR|Exercise FORMATIVE ASSESSMENT|1 Videos
  • IMPROVEMENTS IN FOOD RESOURCES

    LAKHMIR SINGH & MANJIT KAUR|Exercise FILL IN THE BLANKS|3 Videos
  • DIVERSITY IN LIVING ORGANISMS

    LAKHMIR SINGH & MANJIT KAUR|Exercise Value Based|5 Videos
  • MODEL TEST PAPER 1

    LAKHMIR SINGH & MANJIT KAUR|Exercise SECTION B|1 Videos

Similar Questions

Explore conceptually related problems

The figure shows two crop fields (plots A and B) have been treated by manures and chemical fertilizers, respectively, keeping other environment factors same. Observe the graph and answer the following question: (i) Why does plot B shows sudden increase and then gradual decrease in yield ? (ii) Why is the highest peak in plot A graph slightly delayed? (iii) What is the reason for the different pattern of the two graphs.

In an experiment demonstrating the evolution of oxygen in Hydrilla, sodium bicarbonate is added to water in the experimental set-up. What would happen if all other conditions are favourable.

In moving coil galvnometer a current f 2A for radial magnetic field of 4xx 10^(-3) Wb/m^(2) produces some deflection. FI the field is doubled by keeping all other quantities same, the current for the same deflection will be

A parallel plate capacitor with air between its plates having palte area of 6xx10^(-3)m^(2) and separation between them 3 mm is connected to a 100 V supply. Calculate charge on each plate of the capacitor. Explain what would happen when a 3 mm thick mica sheet (dielectric constant=6) is inserted between the plates, (i) while the voltage supply remains conected, (ii) after the supply is disconnected.

A charge particle q of mass is placed at a distance d from another charge particle -2q of mass 2 m in a uniform magnetic field B as shown if particle are projected towareds each other with equal speed v_(0) , so that the two particle touches each other without collision during its motion (Assume only force due to magnetic field acts on the particle)

LAKHMIR SINGH & MANJIT KAUR-IMPROVEMENTS IN FOOD RESOURCES -VERY SHORT ANSWER QUESTIONS
  1. Explain what will happen if in a cultivated field only manures are sup...

    Text Solution

    |

  2. Mention the crop whose production has increased by blue revolution and...

    Text Solution

    |

  3. What are plant nutrients ?

    Text Solution

    |

  4. Name the three most important mineral elements required for plant grow...

    Text Solution

    |

  5. What are the micronutrients required by the plants ?

    Text Solution

    |

  6. Name any two macronutrients required by plants.

    Text Solution

    |

  7. Which one is nutrient specific-fertilizer or manure ?

    Text Solution

    |

  8. Which is the oldest method of crop improvement ?

    Text Solution

    |

  9. Name one common disease of paddy.

    Text Solution

    |

  10. Give an example of biological weed control.

    Text Solution

    |

  11. Give one example of natural insecticide.

    Text Solution

    |

  12. What are weeds ?

    Text Solution

    |

  13. Write down two harmful effects of biotic factors on food grains.

    Text Solution

    |

  14. What percent of moisture should be present in the food grains at the t...

    Text Solution

    |

  15. Give one example of solid and one of liquid fumigant.

    Text Solution

    |

  16. Which method is most effective for destroying insects in stored grains...

    Text Solution

    |

  17. How the food grains should be dried on commerical basis ?

    Text Solution

    |

  18. What is feed ?

    Text Solution

    |

  19. Name one (a) Leguminous green fodder, (b) Non-green dry fodder.

    Text Solution

    |

  20. Name one high yielding breed of cow and one of buffalo respectively.

    Text Solution

    |

  21. What are fat content in milk of: (a) Murrah, (b) Surti ?

    Text Solution

    |