Mission
To reduce hunger and poverty, and improve human nutrition in the tropics through research aimed at increasing the eco-efficiency of agriculture.
People
CIAT’s staff includes about 200 scientists. Supported by a wide array of donors, the Center collaborates with hundreds of partners to conduct high-quality research and translate the results into development impact. A Board of Trustees provides oversight of CIAT’s research and financial management.
Values
- Shared organizational ethic
- We respect each other, our partners, and the people who benefit from our work. We act with honesty, integrity, transparency, and environmental responsibility in all of our joint endeavors.
- Learning through partnerships
- We work efficiently and pragmatically together and with partners. Considering our diversity to be a key asset, we adapt readily to change and strive to improve our performance through continuous learning.
- Innovation for impact
- We develop innovative solutions to important challenges in tropical agriculture, resulting in major benefits for the people who support, participate in, and profit from our work.
Members:
Resources
Displaying 511 - 515 of 958Phosphorus fractions under different land-use systems in oxisols of the Brazilian cerrados
We examined whole-soil samples and particle-size fractions to study the distribution of different phosphorus (P) fractions after land-use change from native savanna to crops, pasture, and reforestation on clayey and loamy Oxisols of the Brazilian savannas. Phosphorus was extracted sequentially, according to a modified Hedley procedure, into inorganic and organic P (NaOH-extractable Pi and Po, respectively), and recalcitrant P (P HCl and P res). Under natural conditions of strong P deficiency, over 60% of NaOH-extractable P was organic, reflecting the high contribution of P.
Planeación y diseño de ensayos agropastoriles
Phosphorus pools in bulk soil and aggregates of differently textured oxisols under different land-use systems in the Brazilian cerrados
This study assessed the influence of land use (continuous cropping, CC; tree plantations, F; pasture, PG; and native savanna, NS) on P concentrations and partitioning in bulk soil and two aggregate size fractions of two Oxisols, one loamy and one clayey. The quantity and quality of physically protected P within aggregates were also determined. Total P in bulk soil and macroaggregates (0.25-2 mm and 2-8 mm) was partitioned into inorganic and organic P fractions (P, and P., respectively) after sequential extraction, using NaHCO, (Olsen), NaOH, HCl, and H2SO4 (residual).
Nueve instrumentos de apoyo a la toma de decisiones para el manejo sostenible de los recursos naturales
