نتایج جستجو برای: nutrient solutions
تعداد نتایج: 406443 فیلتر نتایج به سال:
A rudimentary predator-prey model is considered that is stoichometric, in that the nutrient content of the producer species affects the ability of the consumer to produce biomass. We show that the model supports biologically important dynamical properties that differ from the corresponding non-stoichiometric model. Specifically, under the assumption of Holling II-type functional response, for a...
In fertilizer-drawn forward osmosis (FDFO) desalination, the final nutrient concentration (nitrogen, phosphorus, potassium (NPK)) in the product water is essential for direct fertigation and to avoid over fertilization. Our study with 11 selected fertilizers indicate that blending of two or more single fertilizers as draw solution (DS) can achieve significantly lower nutrient concentration in t...
Water containing ultra-fine bubbles (UFB) may promote plant growth. But, as UFBs are too small to distinguish from other impurities in a nutrient solution, it is not known if UFBs survive transport from the water source to the rhizosphere. Here we use the freeze-fracture replica method and a transmission electron microscope (TEM) to observe UFBs in the nutrient solutions used in a crop-growing ...
In this paper, nature-based solutions (NBS) include: (1) natural flood management (NFM) interventions with a primary function of risk reduction but additional multiple benefits for water quality improvements through the mitigation diffuse pollution; and (2) ponds improvement. This study assesses ability these NBS to trap pollutants in run-off within two small (3.4 km2) agricultural catchments (...
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