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IMPROVEMENTS IN FOOD
RESOURCES
SUSTAINABLE AGRICULTUREIt can be defined as the adoption of
various farming and production management techniques to maximize agricultural yield.
ORGANIC FARMING It is the cultivation of crops without
the use of chemicals- insecticides, pesticides and herbicides.
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.
MANURES It is partialy decomposed organic
matter derrived from plants and animals.
TYPES OF MANURES
FARNYARD MANURE
COMPOST MANURE
VERMICOMPOST
MANURE
GREEN MANURE
FERTILIZERS These are commercially produced by
chemicals substances which are added to the soil to restore its fertility.
TYPES OF FERTILIZERS
POTASSIU
MPHOSPHAT
E
NITROGE
N
GREEN REVOLUTIONHigh production of food grains.
BLUE REVOLUTIONEnhanced fish production.
WHITE REVOLUTIONIncreased milk production
YELLOW REVOLUTION
Increased oil production
PLANT BREEDINGSelective breeding of plant
METHODS OF PLANT BREEDING
INTRODUCTION
•Introduction of plants which are not present in that area.
SELECTION
•It is also known as artificial selection
TYPES OF HYBRIDIZATION
INTRA SPECIFIC
INTER SPECIFIC
INTER GENNIC
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
WEEDSWeeds are unwanted plants that grow
with cultivated crops.
PLANT DISEASES
Seed borne Soil borne
Air borne Water borne
METHODS OF BREEDING
NaturalArtificial
POULTRY BREEDS
Exotic breeds
Cross breedsIndigenous
breeds
FISHERIESThey are establishments connected
with capture, preservation and utilization of various types of fishes.
APICULTUREIt is the rearing, caring and
management of honey bees for obtaining honey, wax and other substances.
Jaya Sinha 9 A