transformed through human selection into the ancestor of modern maize, more than 6,000 years ago. Oxford University Press, 1975. The productivity of wheat went up from about 19 bushels per acre in 1720 to around 30 bushels by 1840, marking a major turning point in history. 80 Two major crops, pecans and Concord grapes, were utilized extensively in prehistoric times but do not appear to have been domesticated until the 19th century. The Basis of Civilization-water Science?
Kola nut and coffee were domesticated in Africa. Rice was domesticated in China by 6200 BC with earliest known cultivation from 5700 BC, followed by mung, soy and azuki beans.
Brief History of Agriculture
The History of Computing
The History of the Schizophrenia
The History of Islam Religion
Procopius Secret History
By 8000 BC, farming was entrenched on the banks of the River Nile. Since that time, self-propelled mechanical harvesters ( combines planters, transplanters and other equipment have been developed, further revolutionizing agriculture. 98 99 At the same time, some farmers in Europe moved from a two field crop rotation to a three field crop rotation in which one field of three was left fallow every year. So I decided to do some research. Fertilizer, in the shape of sodium nitrate deposits in Chile, was imported to Britain by John Thomas North as well as guano (birds droppings).