The economics of soil and water conservation practises in Iowa : results and discussion /

ανά Pope, C. Arden
Έκδοση 1983

The economics of soil and water conservation practises in Iowa : model and data documentation /

ανά Pope, C. Arden
Έκδοση 1982

The effects of technological progress and weather on corn belt crop yields /

ανά Pope, C. Arden
Έκδοση 1982

A dynamic analysis of economics of soilconservation : an application of optimal control theory /

ανά Bhilde, Shashanka
Έκδοση 1982