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Fertilizer introduction

Methods of preparation of bulky and concentrated manures

Organic manure, importance & properties

Prevention and mitigation of soil pollution

Lec.32. soil carbon sequestration and carbon tradingLec.32. soil carbon sequestration and carbon trading

Humic substances

Soil water movement

Soil bulk density particle density

Sources of charges in soil

Management of wasteland

Soil physical constraints – slow permeable, excessively permeable soils and fluffy paddy soils characteristics and management

Eroded soil – genesis, types and characteristics water sheet, rill, gully, ravines, wind – aeolian, loess, saltation, suspension , soil creep

Formation & Classification of salt affect soils

Lime requirement of acid soil, liming materials, reclamation and management of acid soil

Soil crusting, soil compaction, sub soil hard pan, sand dunes and shallow soils – characteristics and management