Now showing items 1-5 of 5
Comments on rarity and chaos, Thomas D. Rogers, math. biosci. 72:13-18 (1984)
(Elsevier, 1985-03)
An ecologically-based approach to the design of intercrop agroecosystems: An intercropping system of soybeans and tomatoes in Southern Michigan
(Elsevier, 1984-10)
A model is developed in which the elementary structure of plant competision is translated into the classical yield-density equation. Using the same reasoning, an interspecific form of the model is formulated to predict ...
An experiment in intercropping cucumbers and tomatoes in Southern Michigan, U.S.A.
(Elsevier, 1982-11)
Yields are reported for an experimental intercrop of tomatoes and cucumbers in southeastern Michigan, U.S.A., during the 1980 growing-season. The land equivalent ratio (LER) was 1.14, that is, 14% more land would be needed ...
The influence of first generation fertility and economic status on second generation fertility
(Kluwer Academic Publishers-Human Sciences Press; Human Sciences Press ; Springer Science+Business Media, 1980-03)
This paper examines the impact of parental economic status and family size on the actual and expected fertility of adult children using longitudinal data from two generations of families participating in the Panel Study ...