نتایج جستجو برای: maximum phosphorous from tri
تعداد نتایج: 5753463 فیلتر نتایج به سال:
The effect of nitrogen status on phosphorous uptake and translocation was examined in 6-day-old dark-grown decapitated maize seedlings exposed to 25 micromolar phosphorous. Transfer to complete solutions containing 1 millimolar ammonium resulted in an increase in phosphorous uptake rate after 6 to 8 hours. The stimulus remained effective for at least 5.5 hours upon subsequent transfer to nitrog...
During the present study rhizosphere soil of four halophytic weeds viz., Chrysopogon aucheri, Lactuca dissecta, Solanum surattense and Sonchus arvensis growing in saline soil of Khewra salt range and Solanum surattense growing in arid region of Attock were used for isolating phosphate solubilizing bacteria. The objective of this study was to explore the abilities of phosphate solubilization, pr...
Conventional resources of phosphorous are at high risk of depletion in the near future due to current practices of its exploitation, thus new and improved exploration methodologies need to be developed to ensure phosphorous security. Today, some treatment plants recover phosphorous from municipal wastewater as struvite (MgNH₄PO₄·6H₂O). Magnesium is often added to the wastewater as MgCl₂·6H₂O to...
This experiment was conducted to determine the effect of salinity and nitrogen on growth and yield of tomato and concentration and total uptake of some nutrients in different parts of plant in hydroponics culture. Nitrogen (N) was used at 0, 1.5 and 3% levels as NH4Cl and NH4H2PO4 and salinity consisted of 0, 30 and 60 mM as NaCl and CaCl2 (2:1 w/w). A completely randomized design experiment wa...
Phosphorous (P) in human urine is among the macronutrients municipal wastewater that has exacerbated eutrophication of water bodies. Adsorption P from using cost effective, environmentally friendly, and efficient adsorbents considered as an attractive method can both mitigate problem augment already strained reserves. In present study adsorption capacity structural properties lateritic soil (LS...
Polybutadiene acrylic acid acrylonitrile (PBAN) is binder for composite solid propellants used in spacecraft systems which its curing kinetics is so important. In this research, the effect of functionality of epoxy curative on the curing kinetics of PBAN is researched. Equivalent stoichiometric ratios of PBAN and di-functional (DER 331) and tri-functional (LY 5052) epoxy curatives was cured at ...
abstract in low-input cropping systems, the natural roles of microorganisms in maintaining soil fertility may be more important than conventional system. in order to investigate the effects of plant growth promoting fungi on improvement of growth and development in soybean (cv: jk) an experiment was conducted at the research farm of sari agricultural sciences and natural resources university du...
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