Tags » Potassium Nitrate

Investigation of different priming techniques on seed germination of Papaver species

Sajedeh Golmohammadzadeh, Faezeh Zaefarian, Mohammad Rezvani

Key words: Seed dormancy, hydropriming, potassium nitrate, gibberellic acid.


Seed dormancy is important as an adaptive trait for weeds that help ensure the continuance of weed species in the soil seed bank. 169 more words


3rd November 1749. Bombs and Fertilizers.

Nitrogen with phosphorus, arsenic, antimony and bismuth constitute the Nitrogen Group, also called the Pnictogen Group, in the Periodic Table.

Today in 1749 saw the birth of the Scot, Daniel Rutherford who was later credited with being the first to isolate Nitrogen in 1772.(1) 398 more words


31st October 1912. The Perils of Bonfire Night!

Today in 1912 the Burton Observer recorded a man from nearby Wichnor before the local magistrates for using ‘bad language’, which is not surprising considering as he had been the victim by ’mischievous youths’ throwing a fire-cracker through his bedroom window, which set fire to his sheets. 635 more words


Stop being so sensitive.

Dentinal hypersensitivity, a chipped or cracked tooth, a cavity. All of these factors contribute to the statistic that more than 60% of U.S. households include tooth sensitivity sufferers. 72 more words


Ghost Towns, Earthquakes and Fires

If you’ve been paying attention to Chile in the news, you’ve likely heard about the recent earthquakes and aftershocks in Iquique in March. I happened to be there the week before and saw the street I stayed on near the beach being evacuated on TV, a strange feeling indeed. 979 more words