A demonstration project was initiated to determine the ability of a Membrane Bioreactor (MBR) facility to consistently meet the requirements of the Michigan Department of Environmental Quality for total phosphorus in the effluent to be less than 0.03 mg/l. In order to ensure that the process ...
a在土壤磷水平低的条件下需作补加研究,以查明菌根和根毛在低磷水平下对磷的吸收是否有显著作用,是否会导致比这个客观模拟模式所预报的磷吸收量更大 Must do the supplement research under the soil phosphorus level low condition, verifies the fungus root and the root hair under the low phosphorus level to...
1995. Lupinus cosentinii more effectively utilizes low levels of phosphorus from superphosphate than Lupinus angustifolius. J. Plant Nutr. 18:421-435.Bolland, M. D. A. (1995). Lupinus cosentinii more effectively utilizes low levels of phosphorus from superphosphate than Lupinus angustifolius. ...
Low levels of phosphorus in fresh water were determined by a variant of the heteropolyblue method using extraction with isobutanol to bring the detection limit to 0.001 mg phosphorus/litre. The estimation was accurate and reliable under controlled conditions and a number of internal errors were ...
The potential of Arundo donax to grow in degraded soils, characterized by excess of salinity (Na+), and phosphorus deficiency (-P) or excess (+P) also coupled with salinity (+NaP), was investigated by combining in vivo plant phenotyping, quantification of metabolites and ultrastructural imaging...
Three experiments were conducted to determine the effects of feeding low levels of dietary phosphorus on the serum inorganic phosphorus level of laying hens. A phosphorus deficient diet containing .30% total phosphorus, all of plant origin, was fed to hens for 3 days in Experiment 1 and 4 week...
P, f low levels of purification of phosphogypsum 翻译结果2复制译文编辑译文朗读译文返回顶部 正在翻译,请等待... 翻译结果3复制译文编辑译文朗读译文返回顶部 Are the purification of p and f are low in phosphorus gypsum 翻译结果4复制译文编辑译文朗读译文返回顶部 ...
Low carbon and phosphorus concentrations were controlled to investigate their influences on nitrogen removal in activated sludge reactors. Results demonstrated that when the initial COD/ NH-N (C/N) ratio was adjusted to 4/1, NH-N removal efficiency achieved the maximum value of 93.0%. With the...
An analysis of growing season data from 17 lakes throughout the world suggests that the relative proportion of blue-green algae (Cyanophyta) in the epilimnetic phytoplankton is dependent on the epilimnetic ratio of total nitrogen to total phosphorus. Blue-green algae tended to be rare when this...
Phosphorus deficiency in leaves also markedly influenced the partitioning of carbon in both crops. In the Brachiaria hybrid, compared with rice, the smaller proportion of 14C partitioned into sugars and the larger proportion into amino acids and organic acids in leaves coincided with decreased ...