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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 .
Similar growth stages of each plant species are given the same BBCH code. Each code has a description and important growth stages have additional drawings included. The first digit of the scale refers to the principal growth stage. The second digit refers to the secondary growth stage which corresponds to an ordinal number or percentage value.
and corns) without visible growth 05: 005: 0005: Emergence of the 1st new leaf in plants from tissue cultures or of the foliar shoot of the corn 1: Leaf development 10: 100: 1000: Formation of the 1st leaf of the planted corn or the candela leaf in tissue culture plants (candela stage 0) 1002: Leaf 1 at candela stage 2 1004: Leaf 1 at candela ...
The production of corn (Zea mays mays, also known as "maize") plays a major role in the economy of the United States. The US is the largest corn producer in the world, with 96,000,000 acres (39,000,000 ha) of land reserved for corn production. Corn growth is dominated by west/north central Iowa and east central Illinois. Approximately 13% of ...
The oldest type of sweet corn contains more sugar and less starch than field corn intended for livestock. Tends to be heartier in respect to planting depth, germination and growth than other types. Begins conversion of sugar to starch after peak maturity or harvest, and as such is best eaten immediately after harvest.
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Print/export Download as PDF; ... This is a timeline of in North American prehistory, ... 400: Cultivation of maize (corn) ...
The Cocoa Scandal The high cost of chocolate may be incentive for consumers to expand beyond their typical fare, with Mintel predicting the non-chocolate confectionery category to grow 26% from ...