(Home) (Contact me) (How can I help?)
(Resume) (Teaching)





Thesis (M.S. and Ph.D.)
Selected papers published in English
Selected papers published in Portuguese
Papers submitted for publication
On-going research projects





Title: Phosphorus availability of the fraction soluble in the neutral ammonium citrate and water-insoluble of acidulated phosphates.
Institution: Superior College of Agriculture "Luiz de Queiroz" (USP/ESALQ)
Date: March, 1996.

Title: Sulphur availability for sicilian lemon in a medium-textured dark-red Latosol.
Institution: Center for Nuclear Energy Applied to Agriculture (USP/CENA)
Date: October, 1992.





Prochnow L I, Kiehl J C and Raij B van. 1998. Plant availability of phosphorus in the neutral ammonium citrate fraction of Brazilian acidulated phosphates. Nut. Cyc. Agr., 52:61-65.
Click here to see the abstract of this paper.

Prochnow L I, Pismel F S, Cantarella H, Vitti G C, Kiehl J C and Corrente J E. 1998. Use of ion-exchange resin to evaluate the bioavailability of sulfur in the soil. Comm. Soil Sci. Plant Anal., 29:1833-1841. (Greenhouse study with maize)
Click here to see the abstract of this paper.

Prochnow L I, Kiehl J C. and Raij B van. 1997. Influence of cationic impurities in acidulated phosphates on the availability of phosphorus to two corn crops. Comm. Soil Sci. Plant Anal., 28:1375-1391.

Prochnow L I, Kiehl J C, Pismel F S and Corrente J E. 1995. Controlling ammonia losses during manure composting with the addition of phosphogysum and simple superphosphate. Scientia Agricola, 52:346-349.

Raij B van, Quaggio, J A, Cantarella H, Prochnow L I, Vitti G C and Pereira H S. 1994. Soil and plant analysis in Brazil. Comm. Soil Sci. Plant Anal., 25:739-751.






Prochnow L I, Lozani M C B and Kiehl J C. 1998. The application of the constructive theory in teaching soil fertility. Rev. Bras. C. Solo, 22:539-545.

Dematte, J A M, Garcia G J and Prochnow L I. 1998. Influence of induced chemical properties of three soils from Parana State (Brazil) on the spectral reflectance. Rev. Bras. C. Solo, 22:479-490.

Plese L P M, Tiritan C S, Yassuda E I, Prochnow L I, Corrente J E and Mello S C. 1998. Effects of application of calcium and of boron on the occurrence of blosson-end rot and on yield of tomato grown in greenhouse condition. Scientia Agricola, 55:144-148.

Prochnow L I, Boaretto, A E and Vitti G C. 1997. Ion-exchange resin to evaluate sulphur availability in soils. Rev. Bras. C. Solo, 21:335-339. (Field study with Sicilian Lemon)

Prochnow L I and Boaretto A E. 1995. Soil sampling depth for evaluation of available sulfur in a sicilian lemon (Citrus limon Burm.) orchard. Scientia Agricola, 52:101-106.

Nakagawa J, Prochnow L I, Bull L T and Boas R L V. 1992. Effects of organic composts on a lettuce (Lactuca sativa L.) crop. Cientifica, 20:173-180.

Nakagawa J, Prochnow L I and Bull L T. 1989. Effects of organic compounds, obtained from sugar cane bagass fermented with two biofertilizes, on a lettuce (Lactuca sativa L.) crop. Revista da Agricultura, 64:255-262.





Prochnow L I, Clemente C A, Dillard E F, Melfi A, and Kauwenbergh S. Identification of compounds present in single superphosphates produced from Brazilian phosphate rocks using SEM, EDX and X-ray techniques. (August 2000).

Prochnow L I, Raij B and Kiehl J C. Effect of water and citrate solubility on the agronomic effectiveness of some brazilizian commercial acidulated phosphate sources to three corn crops. (June 2000).

Prochnow L I, Cunha J F and Ventimiglia A F C. Field evaluation of commercial and experimental phosphate fertilizers regarding the effectiveness of the water-soluble and citrate-soluble P. (March 2000).

Prochnow L I , Plese L P M and Abreu M F. Characterization and agronomic evaluation of the bioavailability of cadmium contained in single superphosphates produced from different Brazilian raw-materials. (December 1999).




Agronomic evaluation of phosphate fertilizers containing cationic impurities
for upland and flooded rice.

Requirement of water-soluble phosphorus in acidulated phosphate fertilizers
containing Fe-Al-P compounds.

Mineralogical characterization of acidulated phosphate fertilizers (modal analysis).

Preparation in laboratory conditions and agronomic evaluation of Fe-Al-P impurities
present in acidulated phosphate fertilizers.

Enhacement in the availability of phosphorus from low-reactivity
phosphate rock by compaction with water-soluble P
from single or triple superphosphate.

Effect of KCl on Cd uptake by upland rice and soybean.


Click here to view information on
my recent research activities



(Home) (Contact me) (How can I help?)
(Resume) (Teaching)