Notes and Study material for Exams
Terracing: A Sustainable Solution for Soil Conservation and Agricultural Productivity Soil erosion, a silent and pervasive threat, is a major challenge facing agriculture worldwide. It degrades soil fertility, reduces crop yields, and contributes to environmental problems like sedimentation and water pollution. Terracing, an ancient and effective practice, offers a sustainable solution to combat soil erosion … Read more
What is Crop Rotation? Crop rotation is the practice of growing different types of crops in the same field in a planned sequence over a period of years. This helps to improve SoilSoil health, control pests and diseases, and increase crop yields. Two-Field Rotations Three-Field Rotations Four-Field Rotations (and beyond) Sod Crops in Rotation Green … Read more
Acid An acid is a substance which forms H+ ions as the only positive ion in aqueous solution. Examples:- Hydrochloric acid dissolved in water forms H+ and Cl– ions HCl —> H+ + Cl– Sulphuric acid dissolved in water forms H+ and SO42- ions H2SO4 —>2H+ + SO42- Nitric acid forms H+ and NO3– ions when dissolved in water HNO3 —> H+ + NO3– … Read more
Physical and social Environment as factors of crop distribution and production Physical Factors Climatic factors Climatic factors includes temperature, growing season, altitude, rainfall and wind. Most Plants cannot grow if the temperature falls below 6°C or the Soil is frozen for five consecutive months. As a consequence many areas are unsuitable for crop … Read more
The major causes of the Environmental Degradation are modern Urbanization, industrialization, over-Population Growth, deforestation etc. Environmental pollution refers to the degradation of quality and quantity of natural Resources. Mahatma Gandhi’s principle of “enoughness” in his saying “the earth provides enough to satisfy every persons need but not for every person’s greed” According to World Commission … Read more
Biodiversity: Soil reclamation can help to increase biodiversity by providing a more suitable habitat for plants and animals. Challenges of soil reclamation: Soil reclamation can be a complex and time-consuming process, and it can be expensive. There are a number of challenges that can be associated with soil reclamation, including: The type of damage that … Read more
INFRASTRUCTURE and protection of forests and wildlife. Under this scheme 1.74 lakh claims with an extent of 10.26 lakh acres are received. Of which 1.63 lakh claims with an extent of 9.81 lakh acres are surveyed. Remaining are under progress. Plantation Activities: Eucalyptus Plantations: The APFDC has been raising Eucalyptus Clonal plantations and … Read more
Multi-Storey Cropping: A Vertical Revolution in Agriculture The world’s population is growing, and with it, the demand for food. Traditional agriculture, with its reliance on vast expanses of land, is struggling to keep pace. Climate change, soil degradation, and water scarcity further exacerbate the challenge. Enter multi-storey cropping, a revolutionary approach to agriculture that aims … Read more
Land Resources Management Land and water have been the basic Elements of life support system on our planet since the dawn of civilization. All great civilizations, flourished where these resources were available in plenty and they declined or perished with the depletion of these resources. In recent years, the land resource has been … Read more
Physical Geography (General Principles) : [su_posts template=”templates/list-loop.php” posts_per_page=”100″ tax_term=”1324″ tax_operator=”0″ order=”desc”] (i) Origin and evolution ol earth, interior of earth, Wegner’s Continental Drift Theory; Plate tectonics.Composition, Structure and Stratification of the atmosphere (v) Insolation,heat budget of the earth. (vi) Horizontal and vertical Distribution of Temperature, inversion of temperature. (vii) Air masses and fronts. Tropical and … Read more