Search results
Results From The WOW.Com Content Network
Dryland farming caused a large dust storm in parts of Eastern Washington on October 4, 2009. Courtesy: NASA/GSFC, MODIS Rapid Response [1]. Dryland farming has evolved as a set of techniques and management practices to adapt to limited availability of water, as in the Western US and other regions affected by climate change for crops such as tomato and maize.
Fallow syndrome is when a crop has insufficient nutrient uptake due to the lack of arbuscular mycorhizae (AM fungi) in the soil following a fallow period. Crops such as corn that are prone to fallow syndrome should not follow a period of fallow, but instead should follow a cover crop which is a host for AM fungi, such as oats or other small grain crops.
1995 - Pioneer stock is listed on the NYSE as PHYB. 1996 - Pioneer acquires 20% stake in Sunseeds Co. (a hybrid vegetable seed producer) in exchange for Pioneer's vegetable seed operation. 1997 - DuPont acquires a 20% stake in Pioneer and the companies form a joint venture called Optimum Quality Grains LLC.
A four-ox-team plough, circa 1330. The ploughman is using a mouldboard plough to cut through the heavy soils. A team could plough about one acre (0.4 ha) per day. The typical planting scheme in a three-field system was that barley, oats, or legumes would be planted in one field in spring, wheat or rye in the second field in the fall and the third field would be left fallow.
In 1870, he founded the R. H. Shumway seed company on his farm in Rockford, Illinois. [2] By 1881 his company was expanding, so the company relocated to South First street in order to accommodate larger facilities. [3] By his death in 1925, it was the largest in the world, shipping 200,000 catalogues per year. [4]
Bibliography of early American publishers and printers is a selection of books, journals and other sigmass devoted to these topics covering their careers and other activities before, during and after the American Revolution. Various works that are not primarily devoted to those topics, but whose content devotes itself to them in significant ...
Exact dates are hard to determine, as people collected and ate seeds before domesticating them, and plant characteristics may have changed during this period without human selection. An example is the semi-tough rachis and larger seeds of cereals from just after the Younger Dryas (about 9500 BC) in the early Holocene in the Levant region of the ...
During the fallow period, shifting cultivators use the successive vegetation species widely for timber for fencing and construction, firewood, thatching, ropes, clothing, tools, carrying devices and medicines. It is common for fruit and nut trees to be planted in fallow fields to the extent that parts of some fallows are in fact orchards.