Introducing
Your new presentation assistant.
Refine, enhance, and tailor your content, source relevant images, and edit visuals quicker than ever before.
Trending searches
SINCE WEATHER CONDITIONS SUCH AS DROUGHT AND FLOOD SITUATIONS ARE UNPREDICTABLE, VARIETIES THAT CAN BE GROWN IN DIVERSE CLIMATIC CONITIONS ARE USEFUL.SIMILARLY,VARIETIES TOLERANT TO HIGH SOIL SALINITY HAVE BEEN DEVELOPED.SOME OF THE FACTORS FOR WHICH VARIETY IMPROVEMENT IS DONE ARE :-
IN MANY OTHER AGRICULTURE-BASED COUNTRIES, FARMING RANGES FROM SMALL TO VERY LARGE FARMS.DIFFERENT FARMERS THUS HAVE MORE OR LESS LAND, MONEY AND LESS TO INFORMATION AND TECHNOLOGIES.IN SHORT, IT IS THE MONEY OR FINANCIAL CONDITIONS THAT ALLOW FARMERS TO TAKE UP DIFFERENT FARMING PRACTICES AND AGRICULTURAL TECHNOLOGIES.THERE IS A CORRELATION BETWEEN HIGHER INPUTS AND YIELDS.THUS, THE FARMERS PURCHASING CAPACITY FOR INPUT DECIDES CROPPING SYSTEM AND PRODUCTION PRACTICES.THEREFORE, PRODUCTION PRACTICES CAN BE AT DIFFERENT LEVELS. THEY INCLUDE NO COST PRODUCTION, LOW COST PRODUCTION AND HIGH COST PRODUCCTION PRACTICES
CEREALS SUCH AS WHEAT, RICE, ETC. PROVIDE US CARBOHYDRATE FOR ENERGY REQUIREMENT.PULSES LIKE GRAM, PEA, BLACK GRAM AND MANY MORE PROVIDE US WITH PROTEIN.DIFFERENT CROPS REQUIRE DIFFERENT CLIMATIC CONDITIONS, TEMPERATURE AND PHOTOPERIODS FOR THEIR GROWTH AND COMPLETION OF THEIR LIFE CYCLE.IN INDIA THERE HAS BEEN A FOUR TIMES INCREASE IN THE PRODUCTION OF FOOD GRAINS FROM 1960 TO 2004 WITH ONLY 25% INCREASE IN THE CULTIVABLE LAND AREA.IF WE THINK OF THE PRACTICES INVOLVED IN FARMING, WE CAN SEE THAT WE CAN DIVIDE IT INTO THREE STAGES.THE FIRST IS CHOICE OF SEEDS FOR PLANTING.THE SECOND SECOND IS THE NURTURING OF THE CROP PLANTS.THE THIRD IS THE PROTECTION OF THE GROWING AND HARVESTED CROPS FROM LOSS
JUST AS WE NEED FOOD FOR DEVELOPMENT,GROWTH AND WELL-BEING, PLANTS ALSO REQUIRE NUTRIENTS FOR GROWTH.NUTRIENTS ARE SUPPLIED TO PLANTS BY AIR, WATER, AND SOIL.THERE ARE SIXTEEN NUTRIENTS WHICH ARE ESSENTIALFOR PLANTS.AIR SUPPLIES CARBON AND OXYGEN, HYDROGEN COMES FROM WATER, AND SOIL SUPPLIES THE OTHER THIRTEEN NUTRIENTS TO PLANTS.AMONGST THESE THIRTEEN NUTRIENTS, SIX ARE REQUIRED IN LARGE QUANTITIES AND ARE THEREFORE CALLED MACRO-NUTRIENTS.THE OTHER SEVEN NUTRIENTS ARE USED BBY PLANTS IN SMALL QUANTITIES AND ARE THEREFORE CALLED MICRO-NUTRIENTS
THIS APPROACH DEPENDS ON FINDING A CROP VARIETY THAT CAN GIVE A GOOD YIELD.VARIETIES OR STRAINS OF CROPS CAN BE SELECTED BY BREEDING FOR VARIOUS USEFUL CHARACTERISTICS SUCH AS DISEASE RESISTANCE, RESPONCE TO FERTILISERS, PRODUCT QUALITY AND HIGH YIELDS.ONE WAY OF INCORPORATING DESIRABLE CHARACTERS INTO CROP VARIETIES IS BY HYBRIDISATION.HYBRIDISATION REFERS TO CROSSING BETWEEN GENETICALLY DISSIMILAR PLANTS.ANOTHER WAY OF IMPROVIG THE CROP IS BY INTRODUCING A GENE THAT WOULD PROVIDE THE DESIRED CHARACTERISTIC.THIS FOR RESULTS IN GENETICly modified crops
PLEASE STOP COPING MY CREATIVE IDEAS,BECAUSE YOU MIGHT GET MORE MARKS :D,