improvements in food resources
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IMPROVEMENTS IN FOOD
RESOURCES
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SUSTAINABLE AGRICULTUREIt can be defined as the adoption of
various farming and production management techniques to maximize agricultural yield.
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ORGANIC FARMING It is the cultivation of crops without
the use of chemicals- insecticides, pesticides and herbicides.
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CROP SEASONSDifferent crops requires different
climatic conditions, temperature and photoperiod.
In India, there are two main seasons of crop growth.
Kharif crops- Crops which are grown from June to October.
Rabi crops- Crops which are grown from November to April.
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MANURES It is partialy decomposed organic
matter derrived from plants and animals.
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TYPES OF MANURES
FARNYARD MANURE
COMPOST MANURE
VERMICOMPOST
MANURE
GREEN MANURE
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FERTILIZERS These are commercially produced by
chemicals substances which are added to the soil to restore its fertility.
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TYPES OF FERTILIZERS
POTASSIU
MPHOSPHAT
E
NITROGE
N
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GREEN REVOLUTIONHigh production of food grains.
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BLUE REVOLUTIONEnhanced fish production.
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WHITE REVOLUTIONIncreased milk production
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YELLOW REVOLUTION
Increased oil production
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PLANT BREEDINGSelective breeding of plant
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METHODS OF PLANT BREEDING
INTRODUCTION
•Introduction of plants which are not present in that area.
SELECTION
•It is also known as artificial selection
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TYPES OF HYBRIDIZATION
INTRA SPECIFIC
INTER SPECIFIC
INTER GENNIC
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CROPPING PATTERNS
•2 or more than 2 types of crops are mixed and grown.
MIXED CROPPING
•Two or more crops are grown in a same field in definite row patterns.
INTER CROPPING
•Growing of different crops on a piece of land in a preplanned succession.
CROP ROTATION
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WEEDSWeeds are unwanted plants that grow
with cultivated crops.
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PLANT DISEASES
Seed borne Soil borne
Air borne Water borne
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METHODS OF BREEDING
NaturalArtificial
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POULTRY BREEDS
Exotic breeds
Cross breedsIndigenous
breeds
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FISHERIESThey are establishments connected
with capture, preservation and utilization of various types of fishes.
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APICULTUREIt is the rearing, caring and
management of honey bees for obtaining honey, wax and other substances.
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Jaya Sinha 9 A