Aminoglycosides are excreted by glomerular filtration and have a serum half-life of 2 to 3 h; the half-life increases exponentially as the GFR falls (eg, in renal insufficiency, in the elderly).
Madagascar is the world's major natural vanilla producer, accounting for about 75% of production. Cloves are the third main export crop, grown mostly by smallholders. Production follows a 4-year cycle with 2â3 years of high output followed by one year of low production.
A cash crop is an agricultural crop which is grown for sale to return a profit. It is typically purchased by parties separate from a farm.[2] The term is used to differentiate marketed crops from subsistence crops, which are those fed to the producer's own livestock or grown as food for the producer's family.