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