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Monitoramento sanitário de um sistema integrado de tratamento de águas residuárias da suinocultura
(2003-12-01)
Objective. To assess the potential for contamination of wastewaters from pig farming. Methods. Wastewaters from pig farming were stored in a tank. After 0, 30, 60, 90, and 120 days of hydraulic retention, they were added ...
Effect of land cover and hydro-meteorological controls on soil water doc concentrations in a high-elevation tropical environment
(2018)
Páramo soils store high amounts of organic carbon. However, the effects of climate change and changes in land cover and use (LC/LU) in this high-elevation tropical ecosystem may cause a decrease in their carbon storage ...
Time stability of soil water storage measured by neutron probe and the effects of calibration procedures in a small watershed
(ELSEVIER SCIENCE BV, 2009)
The knowledge of soil water storage (SWS) of soil profiles is crucial for the adoption of vegetation restoration practices. With the aim of identifying representative sites to obtain the mean SWS of a watershed, a time ...
Water requirement of drip irrigated sugarcane in the Coastal Lands of Alagoas
(Univ Federal Campina Grande, 2015-09-01)
Water is a natural resource that has been the subject of much debate about its use and availability in recent years. In the agricultural sector, the volume of water needed for irrigation is calculated based on the losses ...
Padrão sazonal da qualidade do solo, água, regimes térmicos e desempenho de culturas para biocombustíveis sob diferentes práticas de manejo
(Universidade Federal de Santa MariaBRAgronomiaUFSMPrograma de Pós-Graduação em Ciência do Solo, 2014-09-15)
The intensification of biofuel production causes negative impacts on soil quality, thus the soil requires adequate assessment to ascertain its quality status, however site-specific nature of results in literature requires ...
Soil Water Studies on Oxisols and Ultisols of Puerto Rico: IV. A Comparison of Techniques to Determine Water Retention at Various TensionsTítulo en español.
(University of Puerto Rico Mayagüez Campus Agricultural Experiment Station, 1976)
Storage in cerrado soil and germination of Psychotria vellosiana (Rubiaceae) seeds
(2006-08-15)
The regeneration of plant communities from seed depends, to a large extent, on the capacity of the seed remaining viable in the soil. The viability and germination of artificially buried Psychotria vellosiana seeds in ...
Storage in cerrado soil and germination of Psychotria vellosiana (Rubiaceae) seeds
(2006-08-15)
The regeneration of plant communities from seed depends, to a large extent, on the capacity of the seed remaining viable in the soil. The viability and germination of artificially buried Psychotria vellosiana seeds in ...