Similar Items: Boron-nitrogen chemistry.
- Boron nitrogen compounds.
- Isotope studies on the nitrogen chain.
- Soil nitrogen as fertilizer or pollutant.
- Enhancement of biological nitrogen fixation of common bean in Latin America.
- Isotopic studies of Azolla and nitrogen fertilization of rice.
- Manejo eficiente de la fertilización nitrogenada de cultivos anuales en América Latina y el Caribe.