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The Feekes scale is a system to identify the growth and development of cereal crops introduced by the Dutch agronomists Willem Feekes (1907-1979) in 1941. [1] [2] This scale is more widely used in the United States [3] than other similar and more descriptive [4] [5] scales such as the Zadoks scale or the BBCH scale.
The first documented Africans were brought to Maryland in 1642, as 13 slaves at St. Mary's City, the first English settlement in the Province. [1] Slave labor made possible the export-driven plantation economy. The English observer William Strickland wrote of agriculture in Virginia and Maryland in the 1790s:
BBCH-scales have been developed for a range of crop species where similar growth stages of each plant are given the same code. Phenological development stages of plants are used in a number of scientific disciplines ( crop physiology , phytopathology , entomology and plant breeding ) and in the agriculture industry ( risk assessment of ...
Cropmarks or crop marks are a means through which sub-surface archaeological, natural and recent features may be visible from the air or a vantage point on higher ground or a temporary platform. Such marks, along with parch marks, [ 1 ] soil marks and frost marks, can reveal buried man-made structures that are not visible from the ground.
Cereals are edible seeds that are used to create many different food products. An edible seed [ n 1 ] is a seed that is suitable for human or animal consumption. Of the six major plant parts, [ n 2 ] seeds are the dominant source of human calories and protein . [ 1 ]
Industrial crops: cotton, sugarcane, tobacco, groundnut, castor, gingelly, tapioca, etc. Food adjuncts: food and industrial use, no distinct demarcation; spices, condiments, beverages, and narcotics. It is also possible that one crop which has been included as a food crop may be figured as an industrial crop; for example maize or tapioca.
New tests done by the Environmental Working Group have found 21 oat-based cereals and snack bars popular amongst children to have "troubling levels of glyphosate." The chemical, which is the ...
Barley is a crop that prefers relatively low temperatures, 15 to 20 °C (59 to 68 °F) in the growing season; it is grown around the world in temperate areas. It grows best in well-drained soil in full sunshine. In the tropics and subtropics, it is grown for food and straw in South Asia, North and East Africa, and in the Andes of South America.