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Fundamentals of Soil Science ICAR E course Free PDF Book Download e krishi shiksha

Fundamentals of Soil Science ICAR E course Free PDF Book Download e krishi shiksha
Fundamentals of Soil Science ICAR E course Free PDF Book Download e krishi shiksha
Fundamentals of Soil Science ICAR E course PDF Book was developed by ICAR e Krishi Shiksha and TNAU. You Can easily  Download it from our website IARI Toppers by clicking on the below given link.We have provided the latest version of Fundamentals of Soil Science ICAR Ecourse PDF Book but some mistakes can be found. If you found  any mistake,  error in this PDF book than feel free to comment below.

Course Content of  Fundamentals of Soil Science ICAR E course Free PDF Book Download e krishi shiksha:

Theory: Composition of earth’s crust. Soil as a natural body-major components. Eluviation and illuviation, formation of various soils. Problem soils: salt soils, permeable, flooded, sandy soilSoil properties-Physical parameters; texture- definition, methods of textural analysis. Stock’s law-assumption and limitations, textural classes, use of textural triangle; absolute specific gravity –definition, apparent specific gravity/bulkdensity- factors influencing, field bulk density. Relation between BD (bulk density) AD. –practical problems. Pore space - definition, significance. Colour variable - value,hue and chroma.Munsell colour chart,factors influencing-parent material, soil mosture, organic matter. Soil structure-definition, classification, clay prism like structure, factors influencing genesis of soil structure. Soil consistency, plasticity, Attenberg’s constant. Soil air, air capacity, composition, factors influencing amount of air space, soil air renewal. Soil temperature-sources and distribution of heat, factors influencing measurement.Chemical properties- soil colloids; organic - humus ; inorganic- secondary silicate clay, hydrous oxide. Ion exchange – cation and anion importance. Soil organic matter decomposition; pH and nutrient availability, soil buffering capacity. Soil water - forms-hygroscopic, capillary and gravitational, soil moisture constants, hygroscopic coefficient, wilting point, field capacity, moisture equivalent, maximum water holding capacity, energy concepts, pF scale, measurment, gravimetric- electric and tensiometer methods, pressure plate and pressure membrane appratus-Neutron probe- soil water movement. Classification- aerial photography- satellite of soil features-their interpretation. Soil orders; land capability classification; soils of different eco-system and their properties. Management of problem soils- envionmental quality. Irrigation water quality, determination of quality parameters, empirical equation, management of irrigation water.
Practicals: Collection and preparation of soil samples. Study of soil profile. Determenation of soil colour. Estimation of moisture, EC, pH and bulk density. Textural analysis of soil by Robinson’s pipette method. Chemical analysis of soil- Fe2O3,P,K,Ca, Mg and S. Total N. Organic carbon and cation exchange capacity.


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