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ICSE Notes 2017 : Geography agriculture notes

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Surya Kumar
Baldwin Boys' High School (BBHS), Bangalore
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AGRICULTURE - II CROP Rice (Kharif) TEMP About 16 C 20 C during early period 18 C 32 C during the ripening stage RAINFALL/ SOIL 150cm to 300cm Alluvial soil with clayey sub-soil CULTIVATION METHOD Sowing: 1. Broadcasting scattering of seeds by hand MISC INFO Most important food crop in India 2. Dibbling: dropping of seeds at regular intervals in ploughed furrows Reasons for low yield 1. Unreliable rain 2. Improper irrigation 3. Infertile soil 4. Inadequate use of chemicals 5. Poor quality seeds 6. Inefficient methods of cultivation 7. Pests 3. Drilling: dropping seeds through shafts of bamboo attached to a plough Transplantation: 1. Seeds are first sown in nurseries 2. After 5 to 6 weeks, plants are uprooted by hand and transplanted into flooded fields (Increases yield) 3. Harvesting is done by hand using scythes. 4.Threshing is done by beating paddy heads against a hard rock or making bullocks trample the paddy AREA OF PROD West Bengal, Bihar, Andhra Pradesh and Tamil Nadu 1

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