Measuring the Water Status of Plants and Soils

Measuring the Water Status of Plants and Soils PDF Author: John Strickland Boyer
Publisher:
ISBN: 9780121222604
Category : Science
Languages : en
Pages : 178

Get Book Here

Book Description
Why measure the water status of plants and soils? A little thermodynamics. The value of thermodynamic equilibrium. Additional readings. Pressure chamber. Principles of the method. Pressure chamber theory. Types of pressure chambers. How to make measurements. Working with plant tissue. Meauring the components of the water potential precautions. Pressure chamber manufacturers. Thermocouple psychrometer. Principles of the method. Theory of psychrometry. How thermocouples work. Tipes of thermocouple psychrometers. How to make measurements. Working with plant tissue. Working with soils. Measuring the components of the water potential. Precaution. Psychrometer manufacturers. Water potentials (osmotic potentials) of sucrose solutions. Pressure probe. Principles of the method. Pressure probe theory. Using the probe. How to make measurements. Precautions. Building a pressure probe. Measuring the water status of plants and soils: some examples. Practical benefits of thermodynamic equilibrium. Large tensions demonstrated in the apoplast. Single cell and tissue measurements compared. Temperature, membrane transport, and cell walls. Importance of growth. Growth-induced water potentials. Growth at low water potentials. Turgor measured with a pressure chamber. Varietal differences in midday water potential under field conditions. Osmotic adjustment. Water relations of reproductive tissues.

Measuring the Water Status of Plants and Soils

Measuring the Water Status of Plants and Soils PDF Author: John Strickland Boyer
Publisher:
ISBN: 9780121222604
Category : Science
Languages : en
Pages : 178

Get Book Here

Book Description
Why measure the water status of plants and soils? A little thermodynamics. The value of thermodynamic equilibrium. Additional readings. Pressure chamber. Principles of the method. Pressure chamber theory. Types of pressure chambers. How to make measurements. Working with plant tissue. Meauring the components of the water potential precautions. Pressure chamber manufacturers. Thermocouple psychrometer. Principles of the method. Theory of psychrometry. How thermocouples work. Tipes of thermocouple psychrometers. How to make measurements. Working with plant tissue. Working with soils. Measuring the components of the water potential. Precaution. Psychrometer manufacturers. Water potentials (osmotic potentials) of sucrose solutions. Pressure probe. Principles of the method. Pressure probe theory. Using the probe. How to make measurements. Precautions. Building a pressure probe. Measuring the water status of plants and soils: some examples. Practical benefits of thermodynamic equilibrium. Large tensions demonstrated in the apoplast. Single cell and tissue measurements compared. Temperature, membrane transport, and cell walls. Importance of growth. Growth-induced water potentials. Growth at low water potentials. Turgor measured with a pressure chamber. Varietal differences in midday water potential under field conditions. Osmotic adjustment. Water relations of reproductive tissues.

Water Relations of Plants and Soils

Water Relations of Plants and Soils PDF Author: Paul J. Kramer
Publisher: Academic Press
ISBN: 0124250602
Category : Nature
Languages : en
Pages : 514

Get Book Here

Book Description
Water Relations of Plants and Soils, successor to the seminal 1983 book by Paul Kramer, covers the entire field of water relations using current concepts and consistent terminology. Emphasis is on the interdependence of processes, including rate of water absorption, rate of transpiration, resistance to water flow into roots, soil factors affecting water availability. New trends in the field, such as the consideration of roots (rather than leaves) as the primary sensors of water stress, are examined in detail. Addresses the role of water in the whole range of plant activities Describes molecular mechanisms of water action in the context of whole plants Synthesizes recent scientific findings Relates current concepts to agriculture and ecology Provides a summary of methods

Principles of Soil and Plant Water Relations

Principles of Soil and Plant Water Relations PDF Author: M.B. Kirkham
Publisher: Academic Press
ISBN: 0124200788
Category : Science
Languages : en
Pages : 599

Get Book Here

Book Description
Principles of Soil and Plant Water Relations, 2e describes the principles of water relations within soils, followed by the uptake of water and its subsequent movement throughout and from the plant body. This is presented as a progressive series of physical and biological interrelations, even though each topic is treated in detail on its own. The book also describes equipment used to measure water in the soil-plant-atmosphere system. At the end of each chapter is a biography of a scientist whose principles are discussed in the chapter. In addition to new information on the concept of celestial time, this new edition also includes new chapters on methods to determine sap flow in plants dual-probe heat-pulse technique to monitor water in the root zone. - Provides the necessary understanding to address advancing problems in water availability for meeting ecological requirements at local, regional and global scales - Covers plant anatomy: an essential component to understanding soil and plant water relations

Measurement of Plant and Soil Water Status

Measurement of Plant and Soil Water Status PDF Author: H. H. Wiebe
Publisher: Utah State University Press
ISBN: 9780874210033
Category :
Languages : en
Pages : 71

Get Book Here

Book Description


Measurement of Plant and Soil Water Status

Measurement of Plant and Soil Water Status PDF Author: Herman H. Wiebe
Publisher:
ISBN:
Category : Plant-soil relationships
Languages : en
Pages : 82

Get Book Here

Book Description
Spanner (Peltier) psychrometers; Thermistor psychrometer; Gravimetric vapor exchange; Pressure chamber or bomb; Dye method; Freezing point method; Osmotic potential determinations; Matric potential determinations on plants.

Water Relations of Plants

Water Relations of Plants PDF Author: Paul J Kramer
Publisher: Academic Press
ISBN: 0323138233
Category : Science
Languages : en
Pages : 502

Get Book Here

Book Description
Water Relations of Plants attempts to explain the importance of water through a description of the factors that control the plant water balance and how they affect the physiological processes that determine the quantity and quality of growth. Organized into 13 chapters, this book first discusses the functions and properties of water and the plant cell water relations. Subsequent chapters focus on measurement and control of soil water, as well as growth and functions of root. This book also looks into the water absorption, the ascent of sap, the transpiration, and the water stress and its effects on plant processes and growth. This book will be useful for students, teachers, and investigators in both basic and applied plant science, as well as for botanists, agronomists, foresters, horticulturists, soil scientists, and even laymen with an interest in plant water relations.

Soil Water Measurement

Soil Water Measurement PDF Author: J. David Cooper
Publisher: John Wiley & Sons
ISBN: 1119106028
Category : Science
Languages : en
Pages : 368

Get Book Here

Book Description
This book is written for all those involved in measurement of soil water phenomena, whether they be environmental scientists, field technicians, agronomists, meteorologists, hydrogeologists, foresters, physical geographers, civil or water engineers or students in these subjects. It contains a comprehensive description of all the major methods used for measurement of soil water content and potential, solute concentration, transport and balance of water and solutes, including recharge to groundwater aquifers. The emphasis is firmly on techniques which can be applied in the field or on samples obtained from the field. The theory and practice of the workings of the main instruments and methods available is described, along with practical tips on surmounting some of the main difficulties and explanations of many commonly encountered jargon words.

Proceedings of International Conference on Measurement of Soil and Plant Water Status: Soil

Proceedings of International Conference on Measurement of Soil and Plant Water Status: Soil PDF Author:
Publisher:
ISBN:
Category : Plant-water relationships
Languages : en
Pages :

Get Book Here

Book Description


Proceedings of International Conference on Measurement of Soil and Plant Water Status: Soils

Proceedings of International Conference on Measurement of Soil and Plant Water Status: Soils PDF Author:
Publisher:
ISBN:
Category : Plant-water relationships
Languages : en
Pages : 306

Get Book Here

Book Description


Physical Edaphology

Physical Edaphology PDF Author: Sterling A. Taylor
Publisher:
ISBN: 9780716708186
Category : Irrigation
Languages : en
Pages : 533

Get Book Here

Book Description
The foundations of irrigation science; The climatic factors; Evapotranspiracao; Physical properties of water; The colloidal system; The soil solids; Energy retions of soil water; Movement of soil water; Measurement of soil water; Water retention and flow in field soil; Soil structure; Soil aeration; Temperature; Irrigation for maximum production; Irrigating under adverse conditions; Irrigation methods.