Course Content
SOIL MANAGEMENT FOR SUSTAINABLE AGRICULTURE
0/2
Concept of sustainable agriculture
Soil management for achieving goal of sustainable agriculture
SOIL FERTILITY EVALUATION / SOIL FERTILITY DIAGNOSTIC TECHNIQUE
0/22
Terminologies
Methods for used for evaluating soil fertility and predicting plant nutrient needs
Occurrence of nutrient deficiency on plant cause
Advantages and disadvantages of visual method
Problems/precautions of visual method
Advantages and disadvantages of fresh tissue analysis
Advantages and disadvantages of Total Plant analysis
Use of plant analysis
Critical nutrient concentration (CNC) or critical nutrient point (CNP)
Advantages and disadvantages of use of higher plants
Advantages and disadvantages of greenhouse trials
Objectives of soil testing
Process of soil testing
Parameters affecting soil testing
Important factors consideration during soil sampling
Analysis of soil/ Soil test correlation with soil extractants (reagents)
Some suitable extractants
Soil Test Calibration
Interpretation of the result
Fertilizer recommendations
DRIS (Diagnosis and Recommendation Integrated System)
Features of DRIS
INTEGRATED NUTRIENT MANAGEMENT (INM)
0/3
Introduction
Goals of INM
Components of IPNS
Soil Fertility Problems in Nepal and its management
0/2
Introduction
Soil management practices to increase soil fertility status of soil
SOIL ORGANIC MATTER AND ORGANIC MANURES
0/5
Organic matters and their importance
Classification of soil organic matter components
Non-Humic substances
Humic substances
Importance of organic matter
ORGANIC MANURES AND THEIR PREPARATIONS
0/3
Organic manures
Effects of organic manures on soils
Significance of organic manures
Farm Yard Manure (FYM)
0/6
Introduction
Factors affecting the composition of FYM
Reasons for small proportions of this potential manure:
Preparation of Farm Yard Manure (FYM)
Improved methods of FYM preparation
Major Nutrients in manure
Compost
0/4
Introduction
Farm compost
Method of composting
Factors in process of composting
Biofertilizers
0/17
Introduction
Types of biofertilizers
Rhizobium
Cross inoculation groups of Rhizobia
Methods of application of Bacterial fertilizers (inoculation)
Azospirilium
Azotobacter
Blue green algae (BGA):
Azolla/ Azolla-BGA (Anabaena azollae) symbiosis
Effects of Azolla on rice and other crops
Benefits of Azolla
Problem on Azolla utilization
Mycorrhiza
Significance of VAM
Advantages of bio-fertilizers
Vermicompost
Advantages of Vermicomposting
Green manuring
0/5
Introduction
Types of green manuring
Quality of good green manure crop
Advantages of green manuring
Disadvantages of green manuring
Biogas
0/4
Introduction
Composition of biogas:
Methods of preparation of biogas
Advantages of biogas/some salient features of biogas
Learn soil fertility, fertilizers and integrated nutrient management with Braimy- B.SC Agriculture
About Lesson
  • Level of nutrient below which crop yield or quality or performance is unsatisfactory e.g. In case of maize.

 

Nutrients

Deficiency level

Critical Level

Optimum level

Nitrogen

<3%

3%

>3%

Phosphorous

<0.3%

0.3%

>0.3%

Potassium

<2%

2%

>2%
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