crop


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crop

(krŏp)
n.
Zoology
a. A pouchlike enlargement of a bird's gullet in which food is partially digested or stored for regurgitation to nestlings.
b. A similar enlargement in the digestive tract of annelids and insects.

crop

  1. in vertebrates, particularly some birds, an expanded part of the oesophagus where food is stored.
  2. in invertebrates, an expansion of the anterior part of the gut system where food is either digested or stored.
  3. the agricultural or commercial fishery yield.
  4. in ecological terms, the difference between gross annual production and the net production - i.e. the material eaten by predators (or herbivores where the food is a vegetable), including that taken by man, and that consumed by organisms responsible for decay. See STANDING CROP.

crop

1. a saccular diverticulum of the esophagus just anterior to the entrance to the thorax. Present in all domestic birds.
2. domesticated plants sown and harvested for use by humans.
3. a cosmetic surgical procedure carried out on the ears of dogs of certain breeds. See ear cropping.

crop-bound
impaction of the crop in a bird.
crop-eared
small eared.
crop flush
1. treatment of a sick bird by a flushing out, with normal saline via an esophageal tube, of food and debris from the crop.
2. see also crop wash (below).
impacted crop
distention of the crop with undigested food.
crop milk
crumbly material, composed of lipid-laden, desquamated epithelial cells mixed with food, elaborated by both male and female pigeons in the crop and regurgitated to feed the nestlings.
pendulous crop
a condition of domesticated birds in which the crop becomes very distended and full of feed. Sporadic cases only, but there is an inherited predisposition to gross distention in turkeys. Called also impacted crop or crop bound.
crop residues
the remains of a crop after the commercially sought part of it has been harvested, e.g. wheat stubble, pea haulms, oaten straw.
crop wash
used in the differential diagnosis of trichomoniasis and candidiasis and to assess crop flora in birds with regurgitation and other signs referable to upper alimentary tract disease.
References in periodicals archive ?
Most GM crops are modified to increase productivity production such as increasing resistance to herbicides and pests, which directly benefit farmers while consumers get indirect benefits like lower prices etc.
But after the constitutional amendment, cotton crop was put under the control of ministry of textile industry.
is a major cereal crop, cultivated over larger area in Pakistan; therefore, it plays a vital role in economic stability of the country (Anwar et al.
The farmers should select such crops in which one was deep rooted while the second one has roots at shallow depth so that both can make better use of food ingredients in soil, besides air, water and sunlight.
Green manuring can be historically traced to the fallow cycle of crop rotation, which was used to permit soils to rest for a time.
Excessive rainfall becomes the cause of high soil erosion attributed to runoff, eventually consequential in infertile soils with a poor character for crop production.
For detailed information on the major cover crop species, see Managing Cover Crops Profitably by the Sustainable Agriculture Network.
Proceeds from crop insurance related to crop destruction or damage are treated as a deemed sale of the crop.
In some areas, like Indiana, the corn crop isn't doing very well.
In the past, to improve soil fertility, cultivation of green manuring crops was a part of crop husbandry but currently few farmers are practicing the green manuring cropping pattern in rice - wheat system.
When I complete a food crop harvest in fall, that same day I plant an overwinter cover crop.
Farmers have little money left after cutting and selling their crop.