The Energy Budget at the Earth's Surface: Studies of Water Relations in a Corn Field in Ellis Hollow, Ithaca, N. Y.
Abstract
Growth and moisture status of near-mature corn during summer drought periods of 1960 and 1961 were investigated in a field micrometeorological study. Measurements were made of incoming solar radiation, net radiation, soil heat storage, and the profiles with height of temperature, wind velocity, and carbon dioxide concentration. In the soil, the depth distributions of soil moisture tension and moisture content by volume (neutron-probe) were taken every few days in irrigated and unirrigated plots. Frequent measurements of leaf area, height, and weight of statistically selected plants, and of relative turgor of plant leaves, were used as indexes of growth and moisture status, respectively, on irrigated and unirrigated sites. The resulting data led to a quantitative model coupling the plant reaction to environmental drought stress. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Sep 01, 1962
- Accession Number
- AD0424161
Entities
People
- E. R. Lemon
- J. H. Shinn
Organizations
- Agricultural Research Service