User profiles for David Sotomayor
David R Sotomayor RamirezProfessor Verified email at upr.edu Cited by 1278 |
Methane flux from mangrove sediments along the southwestern coast of Puerto Rico
D Sotomayor, JE Corredor, JM Morell - Estuaries, 1994 - Springer
Although the sediments of coastal marine mangrove forests have been considered a minor
source of atmospheric methane, these estimates have been based on sparse data from …
source of atmospheric methane, these estimates have been based on sparse data from …
A decade of change in nutrient management: a new nitrogen index
…, R Follett, W Colon, D Sotomayor - Journal of soil and …, 2006 - jswconline.org
The goal of nutrient management is to optimize nutrient's advantages, and minimize their
disadvantages. Nutrient use efficiency has to consider the effect and link between a field's soil, …
disadvantages. Nutrient use efficiency has to consider the effect and link between a field's soil, …
Denitrification in soil profiles beneath grassland and cultivated soils
D Sotomayor, CW Rice - Soil Science Society of America …, 1996 - Wiley Online Library
The denitrification potential of subsoils and aquifers must be characterized to assess the
ultimate fate of soil N. This experiment was conducted to study changes in the subsurface …
ultimate fate of soil N. This experiment was conducted to study changes in the subsurface …
Enzyme activities as affected by soil properties and land use in a tropical watershed
V Acosta-Martínez, L Cruz, D Sotomayor-Ramírez… - Applied soil ecology, 2007 - Elsevier
Enzyme activities play key roles in the biochemical functioning of soils, including soil organic
matter formation and degradation, nutrient cycling, and decomposition of xenobiotics. …
matter formation and degradation, nutrient cycling, and decomposition of xenobiotics. …
Biological properties of soil and subsurface sediments under abandoned pasture and cropland
…, MK Banks, CS Clenan, CW Rice, D Sotomayor… - Soil Biology and …, 1996 - Elsevier
Little is known about the effects of most surface land-use practices on shallow subsurface
microbial communities. We analyzed duplicate cores taken aseptically from up to 10 m depth …
microbial communities. We analyzed duplicate cores taken aseptically from up to 10 m depth …
Soil air carbon dioxide and nitrous oxide concentrations in profiles under tallgrass prairie and cultivation
D Sotomayor, CW Rice - 1999 - Wiley Online Library
Assessing the dynamics of gaseous production in soils is of interest because they are important
sources and sinks of greenhouse gases. Changes in soil air carbon dioxide (CO 2 ) and …
sources and sinks of greenhouse gases. Changes in soil air carbon dioxide (CO 2 ) and …
Variation in soil‐test‐based phosphorus and potassium rate recommendations across the southern USA
…, T Provin, L Sonon, D Sotomayor… - Soil Science Society …, 2021 - Wiley Online Library
Thirteen states associated with the Southern Extension and Research Activities Information
Exchange Group‐6 (SERA‐IEG‐6) agreed to share their soil test based P and K rate …
Exchange Group‐6 (SERA‐IEG‐6) agreed to share their soil test based P and K rate …
Land use effects on microbial biomass C, β-glucosidase and β-glucosaminidase activities, and availability, storage, and age of organic C in soil
D Sotomayor-Ramírez, Y Espinoza… - Biology and Fertility of …, 2009 - Springer
Microbial biomass, β-glucosidase and β-glucosaminidase activities, and availability, storage,
and age of soil organic C were investigated after 26 years of conversion from sugarcane (…
and age of soil organic C were investigated after 26 years of conversion from sugarcane (…
Agronomic performance of common bean (Phaseolus vulgaris L.) lines in an Oxisol
R Dorcinvil, D Sotomayor-Ramírez, J Beaver - Field Crops Research, 2010 - Elsevier
Soil acidity and low nitrogen (N) and phosphorus (P) availability are the most important
constraints for common bean (Phaseolus vulgaris L.) production in highly weathered soils of the …
constraints for common bean (Phaseolus vulgaris L.) production in highly weathered soils of the …
[PDF][PDF] Contribution of nitrogen from litter and soil mineralization to shade and sun coffee (Coffea arabica L.) agroecosystems
G Lopez-Rodriguez, D Sotomayor-Ramirez, JA Amador… - Trop Ecol, 2015 - academia.edu
A produção de café (Coffea arabica L.) é importante pelo seu valor económico, ecológico e
social em áreas tropicais. O regime de cultivo, sob sombreamento (SHD) ou em plena luz …
social em áreas tropicais. O regime de cultivo, sob sombreamento (SHD) ou em plena luz …