1. The growth of maize (Zea mays L.) under field conditions as affected by its water relations;Acevedo,1975
2. Soybean and corn rooting in southwestern Minnesota, 2. Root distributions and related water inflow;Allmaras,1975
3. A field study of soil-water depletion patterns in presence of growing soybean roots, 1. Determination of hydraulic properties of the soil;Arya,1975
4. A field study of soil-water depletion patterns in presence of growing soybean roots, 1. Rooting characteristics and root extraction of soil water;Arya,1975
5. Zero-tillage;Baeumer;Adv. Agron.,1973