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Backtrace:
File: /home/nphelear/public_html/dev.nphelearning.in/application/controllers/Main.php
Line: 8
Function: __construct
File: /home/nphelear/public_html/dev.nphelearning.in/index.php
Line: 315
Function: require_once
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Filename: Session/Session.php
Line Number: 137
Backtrace:
File: /home/nphelear/public_html/dev.nphelearning.in/application/controllers/Main.php
Line: 8
Function: __construct
File: /home/nphelear/public_html/dev.nphelearning.in/index.php
Line: 315
Function: require_once

Year: 2022
eISBN: 9789356443501
Language: ENGLISH
1.Soil fertility and soil productivity 2.Factors affecting soil fertility 3.Features of good soil management 4.Problems of supply and availability of nutrients 5.Physical, chemical and biological properties of soil 6.Relation between nutrient supply and crop growth 7.Growth functions 8.Criteria of essentiality of nutrients–essential nutrients 9.Macro nutrients function and deficiency symptoms 10.Micro nutrients – functions and deficiency symptoms 11.Transformation and dynamics of nitrogen 12.Transformation and dynamics of phosphorus and potassium 13.Methodologies for soil fertility assessment 14.Soil health and its importance 15.Problem soils and their management 16.Preparation and use of farm yard manure and compost 17.Green manure and green leaf manure – cultivation 18.Vermicompost production 19.Bio-fertilizers and their role in agriculture