THE TOBACCO POISON.

Poison ivy, poison oak, and poison sumac.

Poison Romance and Poison Mysteries

Nitrogen Transformations in the Tobacco Float Tobacco System

In order to investigate the possibility of using organic fertilizers in tobacco floating nursery, an experiment was conducted at tobacco research institute of Urmia in 2010. The experiment was done as factorial trail based on randomized complete block design (CRBD) with four replications. The levels of first factor were disinfected poultry manure, disinfected pigeon manure, a complete fertilize...

Nitrogen Transformations in the Tobacco Float Tobacco System

In order to investigate the possibility of using organic fertilizers in tobacco floating nursery, an experiment was conducted at tobacco research institute of Urmia in 2010. The experiment was done as factorial trail based on randomized complete block design (CRBD) with four replications. The levels of first factor were disinfected poultry manure, disinfected pigeon manure, a complete fertilize...

Searching for a Poison in a Poison

chlorinated biphenyl (PC8I mixtures had been described previously. High mortality, liver damage, and edema were associated with only two of the three PCB5. Using column and gas chromatography, several compounds were identified in the diethylether fracdon of these two PCBs. A chick embryo assay confirmed the high toxicity of this fraction. Mass spectremetric and microcoulometric analyses indicat...