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EMT308Sciences3 Unitsintermediate

Environmental Aspects Of Pesticide And Other Toxicants Use

This course explores the environmental aspects of pesticide and other toxicants use. It examines the movement, absorption, and mobility of pesticides in soil, including factors like water solubility, adsorptivity, and volatility. The course also covers degradation mechanisms, non-enzymatic conversion, and soil herbicide interactions. Furthermore, it discusses fumigant action, systematic activity, and the fate of pesticides in water, plants, and animals. The course provides insights into managing toxic wastes and ensuring safe pesticide application.

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120h
Study Time
13
Weeks
9h
Per Week
basic
Math Level
Course Keywords
PesticidesToxicantsEnvironmental ImpactSoil MobilityDegradation

Course Overview

Everything you need to know about this course

Course Difficulty

Intermediate Level
Builds on foundational knowledge
65%
intermediate
➕
Math Level
Basic Math
📖
Learning Type
Theoretical Focus

Course Topics

Key areas covered in this course

1

Pesticide movement in soil

2

Pesticide degradation mechanisms

3

Factors affecting pesticide mobility

4

Trace element mobility in soils

5

Herbicide adsorption mechanisms

6

Fumigation techniques

7

Enzymatic pesticide conversion

8

Non-enzymatic pesticide conversion

9

Pesticide fate in water

10

Pesticide metabolism in plants

11

Pesticide metabolism in animals

Total Topics11 topics

Ready to Start

No specific requirements needed

This course is designed to be accessible to all students. You can start immediately without any prior knowledge or specific preparation.

Assessment Methods

How your progress will be evaluated (3 methods)

assignments

Comprehensive evaluation of course material understanding

Written Assessment

tutor-marked assessments

Comprehensive evaluation of course material understanding

Written Assessment

final examination

Comprehensive evaluation of course material understanding

Written Assessment

Career Opportunities

Explore the career paths this course opens up for you

Environmental Scientist

Apply your skills in this growing field

Agricultural Consultant

Apply your skills in this growing field

Pest Control Specialist

Apply your skills in this growing field

Environmental Health Officer

Apply your skills in this growing field

Industry Applications

Real-world sectors where you can apply your knowledge

AgricultureEnvironmental ManagementPublic Health

Study Schedule Beta

A structured 13-week journey through the course content

Week
1

Module 1: Introduction

1.5h

Unit 1: Movement and Absorption of Pesticides in Soil

1.5 study hours
  • •Read Unit 1: Introduction to movement and absorption of pesticides in soil.
  • •Understand the fate and behaviour of pesticides in soil.
  • •Differentiate among the processes of pesticide dissipation.
Week
2

Module 1: Introduction

2h

Unit 1: Movement and Absorption of Pesticides in Soil

2 study hours
  • •Study adsorption, transfer, and degradation processes.
  • •Understand volatilization, runoff, and leaching.
  • •Review microbial, chemical, and photodegradation mechanisms.
Week
3

Module 2: Pesticide Mobility

1.5h

Unit 2: Factors Affecting the Mobility of Pesticides in Soil

1.5 study hours
  • •Read Unit 2: Introduction to factors affecting the mobility of pesticides in soil.
  • •Understand the pesticide properties affecting its mobility in soil.
  • •Explain the soil properties affecting pesticide movement.
Week
4

Module 2: Pesticide Mobility

2h

Unit 2: Factors Affecting the Mobility of Pesticides in Soil

2 study hours
  • •Study water solubility, adsorptivity, and volatility.
  • •Explain the site conditions affecting pesticide movement.
  • •Outline the management practices that affect pesticide mobility in soil.
Week
5

Module 3: Toxicant Mobility

1.5h

Unit 3: Factors Affecting the Mobility of Other Toxicants in Soil

1.5 study hours
  • •Read Unit 3: Introduction to factors affecting the mobility of other toxicants in soil.
  • •Understand trace element mobility is affected by soil pH and organic matter.
  • •Explain how trace element mobility is influenced by clay content and soil structure.
Week
6

Module 3: Toxicant Mobility

2h

Unit 3: Factors Affecting the Mobility of Other Toxicants in Soil

2 study hours
  • •Study soil pH, chemical speciation, and soil organic matter.
  • •Understand how fertilizers and soil amendments affect mobility.
  • •Review redox potential, clay content, and soil structure.
Week
7

Module 4: Herbicide Interaction

1.5h

Unit 4: Soil Herbicide Interaction and Herbicide Efficacy

1.5 study hours
  • •Read Unit 4: Introduction to soil herbicide interaction and herbicide efficacy.
  • •Understand the various herbicide adsorption mechanisms in soils.
  • •Understand the factors affecting the adsorption of herbicides in soils.
Week
8

Module 4: Herbicide Interaction

2h

Unit 4: Soil Herbicide Interaction and Herbicide Efficacy

2 study hours
  • •Explain the mechanisms of herbicide transport in soil.
  • •Understand the relationship between soil herbicide interaction and herbicide efficacy.
  • •Study diffusion and mass flow transport.
Week
9

Module 5: Fumigant Action

1.5h

Unit 5: Fumigant Action and Systematic Activity

1.5 study hours
  • •Read Unit 5: Introduction to fumigant action and systematic activity.
  • •Explain what fumigants are and how they work.
  • •Outline the factors modifying the effectiveness of fumigants.
Week
10

Module 5: Fumigant Action

2h

Unit 5: Fumigant Action and Systematic Activity

2 study hours
  • •Understand the principles behind storage, handling and disposal of fumigants.
  • •Study types of fumigation and nature of fumigants.
  • •Review safety recommendations and spill procedures.
Week
11

Module 6: Enzymatic Conversion

1.5h

Unit 6: Pesticide Conversion Mechanisms in the Environment Enzymatic Conversion

1.5 study hours
  • •Read Unit 6: Introduction to pesticide conversion mechanisms in the environment.
  • •Differentiate among the processes involved in enzymatic pesticide degradation.
  • •Explain how the process of enzymatic degradation had been harnessed by man.
Week
12

Module 6: Enzymatic Conversion

2h

Unit 6: Pesticide Conversion Mechanisms in the Environment Enzymatic Conversion

2 study hours
  • •Study organophosphorus hydrolase, acid anhydrolase, and phenoloxidases.
  • •Understand esterases and oxidoreductases.
  • •Review enzyme immobilization.
Week
13

Module 7: Non-Enzymatic Conversion

2h

Unit 7: Pesticide Conversion Mechanisms in the Environment: Non-Enzymatic Conversion

2 study hours
  • •Read Unit 7: Introduction to non-enzymatic conversion.
  • •Describe the components of non-enzymic conversion of pesticides in the environment.
  • •Understand the various products of non-enzymatic conversion of pesticides.

This study schedule is in beta and may not be accurate. Please use it as a guide and consult the course outline for the most accurate information.

Course PDF Material

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Study Tips & Exam Preparation

Expert tips to help you succeed in this course

1

Create concept maps linking pesticide properties to their mobility in soil (Units 1-3).

2

Focus on understanding the different types of degradation mechanisms (Units 1, 6, 7).

3

Review the factors affecting herbicide adsorption and transport (Unit 4).

4

Study the safety recommendations for fumigant use (Unit 5).

5

Practice explaining the differences between enzymatic and non-enzymatic conversion (Units 6, 7).

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