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Home/ Questions/Q 4769
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Brinda
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Brinda
Asked: December 13, 20202020-12-13T10:09:34+00:00 2020-12-13T10:09:34+00:00In: Class 9 Science

Why are manures and fertilizers used in fields?

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NCERT Solutions for Class 9 Science Chapter 15
Important NCERT Questions
Improvements in Food Resources
NCERT Books for Session 2022-2023
CBSE Board and UP Board
Exercises Questions
Page No-214
Questions No-2

2020-2021cbsechapter 15class 9 scienceclass9improvement in food resourcesncertscience
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    1. biology Master
      2020-12-13T10:11:04+00:00Added an answer on December 13, 2020 at 10:11 am

      Manures and fertilizers are used in fields to enrich the soil with the required nutrients. Manure helps in enriching the soil with organic matter and nutrients. This improves the fertility and structure of the soil. On the other hand, fertilizers ensure a healthy growth and development in plants. They are a good source of nitrogen, phosphorus, and potassium. To get an optimum yield, it is instructed to use a balanced combination of manures and fertilizers in the soil.

      For more answers visit to website:
      https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-15/

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    2. Devesh
      2021-02-26T09:34:02+00:00Added an answer on February 26, 2021 at 9:34 am

      They are used to ensure good vegetative growth (leaves, branches and flowers), giving rise to healthy plants, that results in high crop production.

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    3. pulkit gupta
      2023-11-16T06:53:54+00:00Added an answer on November 16, 2023 at 6:53 am

      One method of crop production that ensures high yield is precision farming, also known as precision agriculture. Precision farming involves using advanced technologies and data-driven approaches to optimize various aspects of crop management, including irrigation, fertilization, pest control, and planting. The key to precision farming is the precise application of inputs based on real-time data and analysis. For example, using Global Positioning System (GPS) technology, farmers can precisely determine the location-specific needs of crops within a field. This allows for customized and efficient application of water, fertilizers, and pesticides, ensuring that resources are used optimally and reducing wastage. Additionally, sensors and monitoring devices can provide real-time information on soil health and crop conditions, enabling farmers to make timely and informed decisions to address any issues that may arise during the growing season.
      Precision farming offers several benefits, including increased yield, improved resource efficiency, and reduced environmental impact. By tailoring agricultural practices to the specific needs of each part of a field, farmers can enhance crop productivity while minimizing inputs and environmental footprint. This method represents a technologically advanced and sustainable approach to modern agriculture, contributing to the goal of achieving high yields in a more efficient and environmentally conscious manner.

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