Agronomic evaluation of guano sources by means of isotope techniques
F Zapata, JL Arrillaga - 2002 - osti.gov
Many soils of the tropics and subtropics under continuous cultivation are very infertile, thus
poor yields are obtained and little crop residues remain to protect the soils from degrading …
poor yields are obtained and little crop residues remain to protect the soils from degrading …
[PDF][PDF] AGRONOMIC EVALUATION OF GUANO SOURCES BY MEANS OF ISOTOPE TECHNIQUES
F ZAPATA, JL ARRILLAGA - Assessment of soil phosphorus …, 2002 - www-pub.iaea.org
Many soils of the tropics and subtropics under continuous cultivation are very infertile, thus
poor yields are obtained and little crop residues remain to protect the soils from degrading …
poor yields are obtained and little crop residues remain to protect the soils from degrading …
Agronomic evaluation of guano sources by means of isotope techniques.
F Zapata, JL Arrillaga - 2002 - cabidigitallibrary.org
Many soils of the tropics and subtropics under continuous cultivation are very infertile, thus
poor yields are obtained and little crop residues remain to protect the soils from degrading …
poor yields are obtained and little crop residues remain to protect the soils from degrading …
Agronomic evaluation of guano sources by means of isotope techniques
F Zapata, JL Arrillaga - 2002 - inis.iaea.org
Many soils of the tropics and subtropics under continuous cultivation are very infertile, thus
poor yields are obtained and little crop residues remain to protect the soils from degrading …
poor yields are obtained and little crop residues remain to protect the soils from degrading …
[PDF][PDF] AGRONOMIC EVALUATION OF GUANO SOURCES BY MEANS OF ISOTOPE TECHNIQUES
F ZAPATA, JL ARRILLAGA - … of phosphatic fertilisers to optimise crop …, 2002 - academia.edu
Many soils of the tropics and subtropics under continuous cultivation are very infertile, thus
poor yields are obtained and little crop residues remain to protect the soils from degrading …
poor yields are obtained and little crop residues remain to protect the soils from degrading …
[PDF][PDF] AGRONOMIC EVALUATION OF GUANO SOURCES BY MEANS OF ISOTOPE TECHNIQUES
F ZAPATA, JL ARRILLAGA - Assessment of soil phosphorus status and …, 2002 - osti.gov
Many soils of the tropics and subtropics under continuous cultivation are very infertile, thus
poor yields are obtained and little crop residues remain to protect the soils from degrading …
poor yields are obtained and little crop residues remain to protect the soils from degrading …
[PDF][PDF] AGRONOMIC EVALUATION OF GUANO SOURCES BY MEANS OF ISOTOPE TECHNIQUES
F ZAPATA, JL ARRILLAGA - Assessment of soil phosphorus status …, 2002 - researchgate.net
Many soils of the tropics and subtropics under continuous cultivation are very infertile, thus
poor yields are obtained and little crop residues remain to protect the soils from degrading …
poor yields are obtained and little crop residues remain to protect the soils from degrading …
[PDF][PDF] AGRONOMIC EVALUATION OF GUANO SOURCES BY MEANS OF ISOTOPE TECHNIQUES
F ZAPATA, JL ARRILLAGA - … of phosphatic fertilisers to optimise crop …, 2002 - academia.edu
Many soils of the tropics and subtropics under continuous cultivation are very infertile, thus
poor yields are obtained and little crop residues remain to protect the soils from degrading …
poor yields are obtained and little crop residues remain to protect the soils from degrading …
[PDF][PDF] AGRONOMIC EVALUATION OF GUANO SOURCES BY MEANS OF ISOTOPE TECHNIQUES
F ZAPATA, JL ARRILLAGA - Assessment of soil phosphorus status …, 2002 - researchgate.net
Many soils of the tropics and subtropics under continuous cultivation are very infertile, thus
poor yields are obtained and little crop residues remain to protect the soils from degrading …
poor yields are obtained and little crop residues remain to protect the soils from degrading …
Agronomic evaluation of guano sources by means of isotope techniques
F Zapata, JL Arrillaga - 2002 - inis.iaea.org
[en] Many soils of the tropics and subtropics under continuous cultivation are very infertile,
thus poor yields are obtained and little crop residues remain to protect the soils from …
thus poor yields are obtained and little crop residues remain to protect the soils from …