Contaminated soil - PowerPoint PPT Presentation


Shumei Natural Agriculture: Improving Soil Health and Resilience

Shinya Imahashi practices Shumei Natural Agriculture to cultivate wholesome food without fertilizers or chemicals. Learn about continuous cropping and the impact on soil health, as well as the benefits of seed saving. Explore the Soil Health Index and microbial activities at Yatesbury Farm. Connect

42 views • 25 slides


Understanding Principles and Practices of Water Management in Agriculture

This course delves into the field water cycle, water movement in soil and plants, soil-plant-water relationships, water dynamics in the soil-plant-atmosphere system, soil composition, soil texture classification, permeability factors, density of soil solids, total porosity assessment, and energy asp

8 views • 62 slides



Evaluation of SPLASH and HRRR Soil Moisture Comparison

This study compares soil moisture data between the HRRR model and SPLASH observations during the 2022 warm season. It explores differences in soil moisture levels at various depths, evaluates responses to precipitation events, and drydown periods. The research focuses on analyzed data from HRRR Mode

3 views • 12 slides


Understanding Water Management: Principles, Practices, and Soil-Water Relations

Explore the principles and practices of water management in agriculture with a focus on water availability, nutrient relationships, and losses. Discover the physical classification of water, available water defined between field capacity and wilting point, soil water potential, and the soil-plant-at

6 views • 17 slides


Investigating Flash Droughts in Sicily Using Evapotranspiration and Soil Moisture Analysis

This study focuses on identifying flash droughts in Sicily by analyzing potential evapotranspiration and soil moisture anomalies. The research examines trends in evapotranspiration and soil moisture levels over the past 22 years, pinpointing a possible flash drought occurrence in eastern Sicily in 2

3 views • 29 slides


Understanding Soil Phase Relationships and Properties

Soil consists of solids, liquids, and gases with voids in between. Water content, void ratio, porosity, specific gravity, mass specific gravity, degree of saturation, and unit weight are key parameters in characterizing soil behavior. Relationships between these properties are crucial for geotechnic

3 views • 8 slides


Understanding the Fate of Herbicides in Soil

The fate of herbicides in soil is influenced by factors such as micro-organism decomposition, chemical decomposition, photodecomposition, adsorption by soil, surface runoff, leaching, plant uptake, and volatilization. Micro-organisms like algae, fungi, actinomyces, and bacteria play a crucial role i

6 views • 7 slides


Agriculture Soil Sampling and Testing Market: Thriving Research Methodology

In modern agriculture, soil health plays a pivotal role in determining crop productivity, sustainability, and environmental stewardship. Agriculture Soil Sampling and Testing Market have emerged as essential practices for farmers and agronomists seeking to optimize soil fertility, nutrient managemen

1 views • 2 slides


Effective Methods for Soil Conservation

Methods to reduce soil erosion and promote soil conservation include terracing, contour planting, strip cropping with cover crops, alley cropping, agroforestry, windbreaks, and conservation tillage practices such as no-till and minimum tillage. These methods help in minimizing soil erosion hotspots

1 views • 11 slides


Grape Pomace Utilization in Soil Nutrient Management Study

Study on the mobility of total carbon, nitrogen, and polyphenols from grape pomace in soil columns, focusing on its relevance as an organic fertilizer rich in nutrients. The research also highlights the industrial potential of grape pomace, nutrient mobility between varieties, and methods used for c

1 views • 14 slides


Understanding the Dynamics of Soil: Formation, Properties, and Influences

Soil, the foundation of life on Earth, is a complex system influenced by various factors such as utilitarian, ecological, and pedologic processes. This introduction covers the definition of soil, its importance in agriculture and ecosystems, the formation processes, services provided by soils, threa

1 views • 24 slides


Soil and Water Conservation Techniques in Rainfed Agriculture by Mr. Anil Swami

Explore soil erosion and various conservation techniques discussed by Mr. Anil Swami, an Assistant Professor specializing in Rainfed Agriculture and Watershed Management. Learn about prevalent soil and climatic conditions in rainfed areas, water harvesting techniques, contingent crop planning, seaso

0 views • 66 slides


Understanding Clostridium Tetani: Characteristics and Habitats

Clostridium tetani is an obligate anaerobe that forms terminal spores giving it a drumstick-like appearance. It is heat-sensitive, non-motile, and can produce toxins. Spores are found in soil and the gastrointestinal tracts of various animals. The bacterium can also be present on human skin and in c

0 views • 23 slides


Understanding the Importance of Humus in Soil Health

Humus, the organic residue in soil, plays a crucial role in soil fertility and plant growth. It improves soil structure, retains water, stores essential nutrients, and promotes microbial activity. Factors like soil fertility, moisture, temperature, and pH influence the distribution and activity of s

0 views • 21 slides


Understanding Composition of Soil Organic Matter in Soil Microbiology

Soil organic matter is vital for soil properties and plant nutrition. It consists of plant residues, animal remains, and microbial tissues, comprising complex compounds like carbohydrates, proteins, fats, and more. The composition varies with plant type, age, and nature. Leguminous plants are rich i

0 views • 19 slides


Understanding Soil and Foundation Engineering Fundamentals

Soil plays a crucial role in engineering, with unique properties that influence its mechanical behavior. This article covers the formation of soil, types including residual and transported soils, and the phases of soil in nature. Explore phase diagrams, relationships between volume, void ratio, and

0 views • 20 slides


Overview of Soil Groups in Agricultural Science

The Leaving Certificate Agricultural Science delves into various soil groups in Ireland, including Podzols, Brown Earths, and more. The classification of soils helps determine their best use in different areas, showcasing their characteristics and potential productivity. The study highlights the imp

0 views • 18 slides


Understanding the Benefits of Mulching in Organic Horticulture

Mulching in organic horticulture involves covering the topsoil with plant materials to improve soil structure, water infiltration, moisture retention, and nutrient availability. It also helps suppress weed growth, regulate soil temperature, and support soil organisms. However, careful selection of m

0 views • 9 slides


The Role of Soil Microbes in Nutrient Recycling

Soil microbes such as bacteria, protozoa, and nematodes play a crucial role in nutrient recycling by breaking down organic matter, releasing nutrients for plant growth, and aiding in the decomposition process. These microscopic organisms help maintain soil health and ecosystem balance, highlighting

0 views • 16 slides


Understanding Enteric Fever (Typhoid Fever): Causes, Contagiousness, and Prognosis

Enteric fever, commonly known as typhoid fever, is an acute illness caused by Salmonella typhi bacteria transmitted through contaminated food or water. This fever is highly contagious, with individuals becoming carriers even after recovering. Close contact, contaminated water, and poor sanitation co

0 views • 18 slides


Understanding Soil Formation: Factors and Processes Explained

Soil formation is a complex process influenced by factors like parent material, topography, climate, organisms, and time. This article delves into the fundamentals of soil evolution, discussing how soils are formed from weathered rock materials and the role of pedogenesis. Factors affecting soil for

1 views • 28 slides


Soil Conservation Practices: Building an A-Frame for Erosion Control

Learn about the importance of soil conservation practices and how to build and utilize an A-frame tool for erosion control. Discover the causes of soil erosion and effective techniques like contour lines, contour planting, and vegetative barriers to prevent soil degradation. Find out how to construc

2 views • 14 slides


Understanding Soil Microbiology and Its Impact on Plant Growth

Soil microbiology is a branch of science that focuses on studying soil microorganisms and their activities, which play a crucial role in supporting plant life. Soil consists of organic and inorganic matter, water, and living organisms that interact in complex ways to influence plant growth and nutri

1 views • 11 slides


Overview of Hookworm, Toxocariasis, and Guinea Worm Infections

These infections are significant global health issues affecting millions of individuals worldwide. Hookworm infection, a leading cause of iron-deficiency anemia, is prevalent in tropical and sub-tropical regions. Risk factors include poor sanitation and walking barefoot on contaminated soil. The bio

0 views • 46 slides


Advanced Technology for Soil Contamination Remediation

The proposed technology utilizes a High Vacuum, Low Temperature Thermal Desorption Process to effectively remediate contaminated soil, achieving targeted mercury levels in an environmentally friendly manner. Key features include dry processing, no emissions into air or water, electronic control syst

0 views • 10 slides


Soil Disinfestation Methods for Greenhouse Crop Production

Soil mixes for greenhouse production are carefully designed to optimize water retention and aeration. Proper management of artificial soil mixes can yield crops equal to those grown in topsoil. Sterilization of growing media is crucial, with techniques such as steam sterilization and fumigation comm

0 views • 11 slides


Understanding Soil Chemistry and Redox Reactions in Environmental Chemistry

Soil chemistry plays a crucial role in sustaining healthy soils by influencing nutrient availability through oxidation and reduction processes. Redox reactions in soil are impacted by factors like oxygen content and water presence, affecting nutrient supplies. The redox status of soil reflects its n

1 views • 92 slides


Understanding the Transmission of Carbapenemase-Producing Enterobacteriaceae (CPE)

This content delves into the main modes of transmission of Carbapenemase-Producing Enterobacteriaceae (CPE) by presenting images and information from various studies. It covers key topics such as rapid spread, CPE in Europe, emergence of CPE in the UK, transmission modes, contaminated hands and surf

0 views • 20 slides


Understanding Tetanus: Causes, Symptoms, and Diagnosis

Tetanus, also known as Locked Jaw or Saw Horse disease, is a highly fatal condition in domestic animals caused by the neurotoxin produced by Clostridium tetani. The disease is characterized by hyperaesthesia, tetany, and convulsions. Transmission occurs through contaminated soil, typically from hors

0 views • 10 slides


Understanding the Diversity of Microorganisms in Soil Ecosystems

Microorganisms in soil play crucial roles in soil fertility, nutrient cycling, and industrial product synthesis. They can also be pathogens causing diseases in plants and humans. Soil organisms are broadly classified into two groups: soil flora and soil fauna, consisting of various microorganisms li

0 views • 57 slides


Understanding Foodborne Illness: Causes and Symptoms

Foodborne illnesses are diseases transmitted to humans through contaminated food, causing symptoms like nausea, vomiting, stomach cramps, fever, and diarrhea. These illnesses are mainly caused by pathogenic microorganisms such as bacteria, viruses, and parasites, often spread through mishandling of

0 views • 10 slides


Soil Erosion Control and Sustainable Land Management A Guide Ensuring Sustainable Water Use for Soil Stabilization (1)

Soil erosion control and sustainable land management are crucial for preserving soil health and water resources, using stabilization and dust control for environmental protection.\n

0 views • 1 slides


Understanding Echinococcosis: Symptoms, Transmission, and Treatment

Echinococcosis, a zoonotic disease caused by tapeworm parasites, has various forms such as cystic and alveolar echinococcosis. The disease is transmitted to humans through contaminated soil, water, or food. Diagnosis involves imaging techniques and serologic tests. Treatment options include surgery,

0 views • 9 slides


Understanding Soil Composition and Importance

Explore the world of soil and its significance as a natural resource by discovering its composition and how it affects plant growth. Learn about the main ingredients of soil, its permeability, and the role of water, air, and organic matter. Gain insights into how soil supports plant life through lea

1 views • 30 slides


Honey Bee Exposure to Pesticides: Routes and Impacts

Analysis by the U.S. Environmental Protection Agency outlines various exposure routes of honey bees to pesticides, including contact with contaminated sources like foliage and soil, ingestion of contaminated pollen and nectar, and inhalation of chemical droplets. Different application types and age

2 views • 13 slides


Concerns and Monitoring of Contaminated Water in Korea

The disposal of contaminated water in Korea raises concerns about radioactivity release into the ocean, impacting ecosystems and marine products. Issues surrounding nuclear energy, safety, and public fears are also discussed, with a focus on monitoring activities and responses to the Fukushima incid

0 views • 12 slides


Understanding Excess Soil Water and Plant Growth in Water Management

Excess soil water can lead to waterlogging, affecting plant growth negatively by creating anaerobic conditions, promoting growth of water-loving plants, hindering tillage operations, accumulating harmful salts, lowering soil temperature, and reducing crop maturity time. Preventive measures include c

0 views • 8 slides


Construction Safety and Soil Mechanics Overview

This content provides valuable information on excavation, trenching, soil mechanics, OSHA regulations, common violations in construction and excavation, fatal incidents, soil composition, and soil weight calculations. It emphasizes the importance of following safety protocols in construction work re

0 views • 45 slides


Feasibility of Using Fe0 to Remediate Groundwater Lead Pollution in an Abandoned Tailings Dam

Heavy metal pollution in soil and groundwater from an abandoned tailings dam poses a persistent challenge. This study explores using iron (Fe0) in a Permeable Reactive Barrier (PRB) to remove lead (Pb) via redox reaction. The contaminated area, impacted by lead pollution, underwent experiments to as

0 views • 17 slides


Comprehensive Soil Cation Exchange Capacity (CEC) Measurement Lab Procedure

This lab exercise focuses on measuring CEC using soil samples, extracting exchangeable cations, analyzing basic cations through AA spectroscopy, titrating acid cations, calculating CEC and base saturation percentage for the soil, and converting cation measurements from meq/100g to lbs/acre. The step

0 views • 9 slides