Soil-Water-Plant Relationships

Course Information
TitleΣχέσεις Εδάφους-Νερού-Φυτού / Soil-Water-Plant Relationships
FacultyAgriculture, Forestry and Natural Environment
Cycle / Level2nd / Postgraduate, 3rd / Doctorate
Teaching PeriodWinter/Spring
CoordinatorIoannis Panagopoulos
Course ID600018815

Programme of Study: PMS Diacheírisī Edafikṓn, Ydatikṓn, Energeiakṓn Pórōn kai Agrotikoý Perivállontos

Registered students: 15
OrientationAttendance TypeSemesterYearECTS
KORMOSCompulsory Course116

Class Information
Academic Year2019 – 2020
Class PeriodWinter
Faculty Instructors
Instructors from Other Categories
Weekly Hours4
Total Hours52
Class ID
Course Type 2011-2015
Knowledge Deepening / Consolidation
Mode of Delivery
  • Face to face
Digital Course Content
Language of Instruction
  • Greek (Instruction, Examination)
General Prerequisites
The student must have a backgroud of the following courses No17Y Soil Science N205Y Soil Physics Ν015Υ Agricultural Hydraulics Ν034Ε Irrigation Principles and crop water requirements
Learning Outcomes
Upon completion of this course, students will be able to: 1.know about the different components of soil and their functions 2. estimate the effect of pore size on water retention 3. estimate the effect of soil texture and structure on water retention 4. mesure plant available water 5. understand the soil-water system that is needed for plant growth 6. measure soil infiltration and calculate the parameters of the approximate infiltration equations 7. estimate irrigation moisture variables by using pedotransfer functions 8. estimate crop evapotranspiration 9. estimate crop water requirements for full and deficit irrigation 10. calculate the irrigation parameters and plan the irrigation scheduling with the help of soil water balance
General Competences
  • Apply knowledge in practice
  • Retrieve, analyse and synthesise data and information, with the use of necessary technologies
  • Adapt to new situations
  • Make decisions
  • Work autonomously
  • Work in teams
  • Work in an international context
  • Work in an interdisciplinary team
  • Generate new research ideas
  • Design and manage projects
  • Respect natural environment
  • Advance free, creative and causative thinking
Course Content (Syllabus)
The soil-plant-atmosphere continuum (SPAC). The soil profile. Soil as a tree-phase porous system. Volume and mass relationships of the three phases of the soil. Water properties in relation to porous media. Adsorption of water on solid surfaces. Contact angle of water on solid surfaces. The phenomenon of capillarity. Soil texture and specific surface. Soil types. Properties of soil colloids. Soil structure and aggregation. Effect of soil structural properties on plant growth. Soil moisture. Determination methods of soil moisture. Soil water potential. Determination methods of soil water potential. Soil-moisture retention characteristic curve. Pore size distribution. The effect of texture and structure on soil water retention and on plant available water. Water flow and redistribution in soil. Infiltration of soil water, Measurement of Infiltration and Approximate equations for esimating infiltration, Irrigation Moisture Variables (Field Capacity and Permanent Wilting Point), Pedotransfer functions for the estimation of Irrigation Moisture Variables, Crop Evapotranspiration, Meteorological variables which affect the crop evapotranspiration, Direct methods for measuring crop evapotranspiration, Indirect methods of estimating the crop evapotranspiration by using the reference evapotranspiration and the crop coefficients, Investigation of crop coefficients in conditions of availability and limited soil moisture, Crop Yield response to water availability, Effective precipitation, Irrigation efficiencies, Leaching requirements, Root depth of crops, Available and Readily Available soil moisture, Irrigation water requirements, Irrigation Duration and Irrigation interval, Irrigation scheduling with the help of soil water balance for full and deficit irrigation.
Texture, structure, porosity, soil water retention, water flow in soil, Infiltration, Pedotransfer functions, Crop evapotranspiration, Reference evapotranspiration, Crop coefficients, Crop yield, Irrigation water requirements, Irrigation scheduling
Educational Material Types
  • Notes
  • Slide presentations
  • Book
Use of Information and Communication Technologies
Use of ICT
  • Use of ICT in Course Teaching
  • Use of ICT in Laboratory Teaching
  • Use of ICT in Communication with Students
Teaching: Powerpoint. e-class platform: e-learning.
Course Organization
Student Assessment
60% written exams 40% individual project assignment (a set of exercises) - Exams
Student Assessment methods
  • Written Exam with Multiple Choice Questions (Formative, Summative)
  • Written Exam with Short Answer Questions (Formative, Summative)
  • Written Exam with Extended Answer Questions (Formative, Summative)
  • Written Assignment (Formative, Summative)
  • Performance / Staging (Formative, Summative)
  • Written Exam with Problem Solving (Formative, Summative)
Course Bibliography (Eudoxus)
Παναγιωτόπουλος, Κ.Π., 2009. Εδαφοφυσική, Εκδόσεις Γαρταγάνη, Θεσσαλονίκη (κωδικός Εύδοξος: 2297) Παπαζαφείρίου, Ζ.Γ., 1999. "Οι Ανάγκες σε Νερό των Καλλιεργειών", Εκδόσεις Ζήτη, Θεσσαλονίκη (κωδικός Εύδοξος: 11312) Παπαμιχαήλ, Δ.Μ. και Μπαμπατζιμόπουλος, Χ.Σ., 2014. Εφαρμοσμένη Γεωργική Υδραυλική, Εκδόσεις Ζήτη, 550 σελ. (κωδικός Εύδοξος: 41960118)
Additional bibliography for study
41960118Hillel, D., 2004. Introduction to Environmental Soil Physics, Academic Press, Elsevier, ISBN: 0-12-348655-6 Kirkham, M.B., 2005. Principles of Soil and Plant Water Relations, Academic Press, Elsevier, ISBN: 0-12-409751-0 Παπαμιχαήλ, Δ.Μ. και Γεωργίου, Π.Ε., 2005. Ασκήσεις για το μάθημα «Βασικές Αρχές και Πρακτική των Αρδεύσεων», ως Διδακτικές Σημειώσεις, Θεσσαλονίκη, σελ. 52. Allen R.G., Pereira L.S., Raes D. and Smith M., 1998. Crop evapotranspiration: Guidelines for Computing Crop Water Requirements. FAO Irrigation and Drainage Paper No.56, 300 pp. Allen R.G., Wright J.L., Pruitt W.O., Pereira L.S. and Jensen M.E., 2007. Water requirements in “Design and operation of farm irrigation systems” (ed: Hoffman G.J., Evans R.G., Jensen M.E., Martin D.L. and Elliott R.L.) American Society of Agricultural and Biological Engineers.
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