Approaches to characterize the degree of water repellency

J Letey, MLK Carrillo, XP Pang - Journal of Hydrology, 2000 - Elsevier
Measurement techniques that quantify the degree of soil water repellency are important for
research and for the communication of research findings. The water drop penetration time (…

Evaluation of soil salinity leaching requirement guidelines

J Letey, GJ Hoffman, JW Hopmans, SR Grattan… - Agricultural water …, 2011 - Elsevier
Water for irrigation is a major limitation to agricultural production in many parts of the world.
Use of waters with elevated levels of salinity is one likely option to meet the supply of …

Relationship between soil physical properties and crop production

J Letey - Adv. Soil Sci, 1985 - Springer
Having been labeled a soil physicist, I have received inquiries during my professional career
concerning relationships between soil physical properties and plant growth as well as …

Response of soils to sodic and saline conditions

I Shainberg, J Letey - Hilgardia, 1984 - hilgardia.ucanr.edu
The interaction between soil particles and the soil solution depends on the types and
amounts of soil clays. Montmorillonite is the most reactive clay. Ca-clay forms tactoids (quasi …

Organic farming challenge of timing nitrogen availability to crop nitrogen requirements

XP Pang, J Letey - Soil Science Society of America Journal, 2000 - Wiley Online Library
Groundwater has become increasingly degraded by NO 3 , and this degradation has been
partially attributed to the use of commercial inorganic N fertilizers. Conversion from …

Indices for characterizing soil‐water repellency based upon contact angle‐surface tension relationships

CL Watson, J Letey - Soil Science Society of America Journal, 1970 - Wiley Online Library
The relation between apparent liquid‐solid contact angle and surface tension was established
for three water repellent materials using both a series of aqueous ethanol solutions and …

Measurement of liquid-solid contact angles in soil and sand

J Letey, J Osborn, RE Pelishek - Soil Science, 1962 - journals.lww.com
LETEY, J.; OSBORN, J.; PELISHEK, RE … Other articles in this journal by J. LETEY

Chloride interaction with nitrate and phosphate nutrition in tomato (Lycopersicon esculentum L.)

U Kafkafi, N Valoras, J Letey - Journal of Plant Nutrition, 1982 - Taylor & Francis
Tomato plants were grown in a greenhouse in 100 liter containers containing nutrient
solutions. A 4 × 3 × 3 factorial experiment of Cl × N × P was conducted. The Cl ‐ concentrations …

Causes and consequences of fire‐induced soil water repellency

J Letey - Hydrological Processes, 2001 - Wiley Online Library
… Watson and Letey (1970) proposed the surface tension of a liquid (ethanol–water mixture) …
Infiltration rates into water-repellent soils have been measured to increase with time (Letey

Adsorption and desorption of polymers on soil

J Letey - Soil Science, 1994 - journals.lww.com
Polymer impacts on soil physical properties are thought to be a function of its adsorption and
desorption by the soil material. This chapter reviews published results of polymer sorption …