Photoperiodism is a response that certain plants have to decreases or increases in the amount they receive in a day (which is normally produced by seasonal movement of the su â¦ n-longer and shorter days).  Some plants require short days to initiate flower formation, while others long day length initiates flowering.
October 24, 1945. Akershus, Norway. Vidkun Quisling, (born July 18, 1887, Fyresdal, Nor.âdied Oct. 24, 1945, Akershus Fortress, Oslo) Norwegian army officer whose collaboration with the Germans in their occupation of Norway during World War II established his name as a synonym for âtraitor.â.
Definition: Jethro Tull (1674 - 21 February 1741) was an English agricultural pioneer from Berkshire who helped bring about the Agricultural Revolution. He perfected a horse-drawn seed drill in 1701 that economically sowed the seeds in neat rows, and later a horse-drawn hoe.