Low yield in corn paoduction as a consequence of hedgind against risk to farmers...

Flow injection spectrophotometric determination of low concentrations of orthophosphate...

Not available

Aplications of time division multiplex techniques to remote data concentration

Nutrient weed competition in upland rice crop. row spacing and nitrogen fertilization...

Interaction of plant architecture and row spacing on grain yield of maize (Zea mays...

Not available

Soil sampling to evaluate fertility in areas to be planted with new seed cane

Determination of the crystalline and molecular structure of a natural product extracted...

Development of the black pepper radicular system (<i>Piper nigrum</i>...