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 ?
Today, although GM crops are seen as the answer to the food security challenge posed by population growth and climate change, but still the debate on their safety continues.
He said that the move to put cotton crop under food security ministry would be a positive step for the policy formulation and would help in policy making for the production of cotton crop and other competitive crops in the country.
Cost benefit ratios were significantly different among three crops as 1:7.
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.
Third, normal cover crops suppress weeds and prevent soil erosion and compaction.
Intercropping is the agricultural practice of cultivating two or more crops in the same space at the same time and practiced mostly on small farms with limited resources, it comes under the umbrella of vertical agriculture approach.
I grow organic matter in place using cover crops because, in many ways, a living cover crop is even better than adding manure and compost for fertility.
As noted above, for crop insurance proceeds to be deferrable, payment under an insurance policy must result from damage to crops or the inability to plant crops.
She says it is impossible to estimate the number of farmers involved because many have more than one policy in force because they grow different crops.
Three crops viz; sesbania (dhancha) , mungbean and cowpeas were sown in the 4th week of April just one week after the harvest of succeeding wheat crop and their crop residues incorporated into the soil by rotavator before puddling for transplanting of rice crop.
Organic matter added by cover crops acts like a sponge in the soil, absorbing rainwater and holding it for gradual release to plant roots.
Soyabean and cotton are primary crops grown in the drought-prone Vidarbha region.