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Agronomy

Factors affecting Weather and Climate

Following factors affecting Weather and Climate :- Latitude – Based on latitude, the climate has been classified as: (i) Tropical, (ii) Subtropical, (iii) Temperate and (iv) Polar. The tropical climate is characterized by high temperature throughout the year. Subtropical is also characterized by high temperature alternating with low temperature in …

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Role Of Water In Plant Growth

Plants and any from of living organisms cannot live without water, since water is the most important constituent about 80 to 90% of most plant cell. Role of water in crop and crop production can be grouped as A) Physiological importance • The plant system itself contains about 90% of water …

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Irrigation – History And Statistics

Irrigation

Irrigation has been practiced since time immemorial, nobody knows when it was started but evidences say that it is the foundation for all civilization since great civilization were started in the river basins of Sind and Nile. This civilization came to an end when the irrigation system failed to maintain …

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Plant growth regulators

Plant growth regulators

Thiamann – suggested the use of term “Phytohormone” in plantsPhytohormone are organic substances which are naturally produced in plants AUXINS (weakly acidic growth hormone): Auxin was named by KOGL. It is a Greek word derived from ‘Auxein’ which means to grow. Naturally occurring Auxin – IAA Synthetically produced auxins are …

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Tillage

Tillage Tillage is the manipulation of the soil into a desired condition by mechanical means; tools are employed to achieve some desired effect (such as pulverization, cutting, or movement).  Soil is tilled to change its structure, to kill weeds, and to manage crop residues. Soil-structure modification is often necessary to facilitate the intake, storage, and transmission of water …

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Integrated Farming

farming system is integration of crops, livestock, aquaculture, agro-forestry, agri-horticulture etc. for efficient use of farm resources to augment farm income and sustainability in production. However, in the literature, there may not be much significant difference between the two. To distinguish between the two, another system called specialized farming system has …

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