Production of cost of cotton State of Paraguari, Paraguai, 1981/82

Soil survey for Acaray River Basin agricultural project

Nonlinear sigma model in 1+1 dimensions coupled to supergravity

The influence of subsoiling and disking on soil profile water dynamics

Not available

Effect of phosphate forms in supplying phosphorus for sorghum plants (Sorghum bicolor...

O estudo mineralógico das cinzas volantes brasileiras: origem, caracteristicas e...

not available

Areas of adaptation to cultivation of maize beginning by analysis of group of experiments,...

Photographic interpretation of relief and drainage network characteristics of two...