Search results
Results from the WOW.Com Content Network
An estimated 13.6 million soldiers, including a few women, served in the Wehrmacht, the German military forces, during World War II—drawn from a German population of about 80 million. [22] 4.3 million were killed during the war [23] The heavy military demand for manpower caused severe shortages of labor in Germany for both industry and ...
During World War II, soybeans became important in both North America and Europe chiefly as substitutes for other protein foods and as a source of edible oil. During the war, the soybean was discovered as fertilizer due to nitrogen fixation by the United States Department of Agriculture.
The history of fertilizer has largely shaped political, economic, and social circumstances in their traditional uses. Subsequently, there has been a radical reshaping of environmental conditions following the development of chemically synthesized fertilizers .
Brazil is the second largest producer of GMO soy. In 2003 GM soy was found in fields planted in the state of Rio Grande do Sul. [191] This was a controversial decision, and in response, the Landless Workers' Movement protested by invading and occupying several Monsanto farm plots used for research, training and seed-processing. [192]
The combined track and ferry service was primarily used to transport raw materials and fertilizer from Norsk Hydro's factory at Rjukan to the port in Skien. It was the target of a Norwegian operation on 20 February 1944, when resistance fighters sank the ferry in the deepest part of Lake Tinn to prevent Nazi Germany from receiving heavy water .
In the years after World War II, the use of synthetic fertilizer increased rapidly, in sync with the increasing world population. [178] Collective farming was widely practiced in the Soviet Union, the Eastern Bloc countries, China, and Vietnam, starting in the 1930s in the Soviet Union; one result was the Soviet famine of 1932–33. [179]
Ammonia from plants built during World War II to make explosives became available for making fertilizers, leading to a permanent decline in real fertilizer prices and expanded use. [91] The early 1950s was the peak period for tractor sales in the U.S. as the few remaining mules and work horses were sold for dog food.
A fertilizer (American English) or fertiliser (British English) is any material of natural or synthetic origin that is applied to soil or to plant tissues to supply plant nutrients. Fertilizers may be distinct from liming materials or other non-nutrient soil amendments. Many sources of fertilizer exist, both natural and industrially produced. [1]