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IBPS AFO

Basics of Manure and Fertilizer

Manures and fertilizers

Manures and fertilizers • Manuring: It is the process of improving productive capacity of the soil by adding more plant nutrients to the soil in different forms. • Fertilisers are inorganic salts except “urea and calcium cyanamide”. • Decomposition of manures is allowed to reduce the wide C:N ratio to …

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Basics of Soil Chemistry

Basics of Soil Chemistry

Soil chemistry: • “Soil fertility” is defined as the quality that enables a soil to provide the proper nutrient compounds in proper amounts. • “Soil productivity” is defined as the capability of soil for producing a specified plant. • ’Criteria of essentially of elements were proposed by Arnon in 1954.. …

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Basics of Soil Science for Competitive exam

Soil Science

Soil Science  Introduction: The term soil is derived from Latin word “Solum” means ‘Floor’ or ‘Ground’. Soil is the interphase between atmosphere and the mantle of rocks making up the earth’s crust called “lithosphere”. Regolith: All loose material above bedrock (the unconsolidated material of weathered rock and soil material). Soil …

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