Crop Production and Management class 8 Notes Science

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Crop Production and Management class 8 Notes Science in PDF are available for free download in myCBSEguide mobile app. The best app for CBSE students now provides Crop Production and Management class 8 Notes Science latest chapter wise notes for quick preparation of CBSE exams and school-based annual examinations. Class 8 Science notes on chapter 1 Crop Production and Management Science are also available for download in CBSE Guide website.

CBSE Guide Crop Production and Management class 8 Notes Science

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Class 8 Science notes Chapter 1 Crop Production and Management

Download CBSE class 8th revision notes for chapter 1 Crop Production and Management in PDF format for free. Download revision notes for Crop Production and Management class 8 Notes and score high in exams. These are the Crop Production and Management class 8 Notes prepared by team of expert teachers. The revision notes help you revise the whole chapter 1 in minutes. Revision notes in exam days is one of the best tips recommended by teachers during exam days.

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CBSE Class 8 Revision Notes Science Crop Production and Management

In order to provide food for a large population – regular production, proper management and distribution of food is necessary.

 Crop: When plants of the same kind are grown and cultivated at one place on a large scale, it is called a crop.

  • In India, crops can be broadly categorised into two types based on seasons – Rabi and Kharif crops.
  • Sowing of seeds at appropriate depths and distances gives good yield. Good variety of seeds are sown after selection of healthy seeds.  Sowing is done by seed drills.
  • Soil needs replenishment and enrichment through the use of organic manure and fertilisers. Use of chemical fertilisers has increased tremendously with the introduction of new crop varieties.
  • Basic practices of crop production:
    (i)  Preparation of Soil: One of the most important tasks in agriculture is to turn the soil and loosen it.The process of loosening and turning of the soil is called tilling or ploughing.(ii) Sowing:  Sowing of seeds at appropriate depths and distances gives good yield. Good variety of seeds is sown after selection of healthy seeds. Sowing is done by seed drills.(iii) Adding Manure and Fertilisers  Soil needs replenishment and enrichment through the use of organic manure and fertilisers. Use of chemical fertilisers has increased tremendously with the introduction of new crop varieties.Fertiliser: The inorganic compounds containing nutrients such as nitrogen, potassium and phosphorus. They are made in the factories. Example: Urea, ammonium sulphate, potash, etc.Manure: A natural substance prepared from decomposition of plant and animal wastes (cow dung, animal bones, dead leaves, dead insects and vegetable wastes) by the action of microbes.(iv)  Irrigation :  Supply of water to crops at appropriate intervals is called irrigation.

                Method of Irrigation:
(a) Tradition methods of Irrigation: Moat, Chain pump, Dheki, Rahat.
(b) Modern methods of Irrigation: Sprinkler system, Drip system.

(v) Protection from Weeds:  Weeding involves removal of unwanted and uncultivated plants called weeds.

(vi) Harvesting:  Harvesting is the cutting of the mature crop manually or by machines.

(vii) Storage Proper storage of grains is necessary to protect them from pests and microorganisms.Harvested food grains normally contain more moisture than required for      storage. Large scale of storage of grains is done in silos and granaries to protect them from  pest like rats and insects. Farmers store grains in jute bags or metallic bins.

  • Food is also obtained  from animals for which animals are reared. This is called animal husbandry.

CBSE Class 8 Revision Notes and Key Points

Crop Production and Management class 8 Notes Science. CBSE quick revision note for class-8 Science, Chemistry, Math’s, Biology and other subject are very helpful to revise the whole syllabus during exam days. The revision notes covers all important formulas and concepts given in the chapter. Even if you wish to have an overview of a chapter, quick revision notes are here to do if for you. These notes will certainly save your time during stressful exam days.

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