Pretty poor deer crop this year.
This is a correct use of the word.
crop /krɒp /
▸ noun 1 a cultivated plant that is grown on a large scale commercially, especially a cereal, fruit, or vegetable: the main crops were oats and barley. ▫ an amount of produce harvested at one time: a heavy crop of fruit.
▫ an abundance of something, especially a person's hair: he had a thick crop of wiry hair.
▫ the total number of young farm animals born in a particular year on one farm: failure to observe sound practice leads to a lamb crop at weaning of around 50–60 per cent.
2 a group or amount of related people or things appearing or occurring at one time: the current crop of politicians.
3 a hairstyle in which the hair is cut very short: she has her hair cut in a short crop.
4 short for riding crop, or hunting crop
5 a pouch in a bird's gullet where food is stored or prepared for digestion: the parent waxbill partially digests food in its crop. ▫ an organ resembling a pouch in an insect or earthworm.
6 the entire tanned hide of an animal.
▸ verb ( crops, cropping, cropped) [with object] 1 cut (something, especially a person's hair) very short: she cropped her long golden hair he wore his hair closely cropped. ▫ remove part of (a photograph or other image) in order to produce a better picture or to fit a given space: you can always crop the picture afterwards.
2 (of an animal) bite off and eat the tops of (plants): the horse was gratefully cropping the grass.
3 harvest (plants or their produce) from a particular area: hay would have been cropped several times through the summer. ▫ sow or plant (land) with plants that will produce food or fodder, especially on a large commercial scale: the southern areas are cropped in cotton.
▫ [no object] (of land or a plant) yield a harvest of plants or produce: the parsley will need protection to continue cropping through the winter.
– PHRASAL VERBS crop out 1 (crop something out, crop out something) remove part of a photograph or other image in order to produce a better picture or to fit a given space: he intended to crop out all identifying details you can see his arm, but the rest of him has been cropped out.
2 (of rock) appear or be exposed at the surface of the earth: high hills are found where the igneous rocks of eastern South Uist crop out.
crop up appear, occur, or come to someone's notice unexpectedly: some urgent business had cropped up.
– ORIGIN Old English crop, cropp, of Germanic origin; related to German Kropf. From Old English to the late 18th century there existed a sense ‘flower head, ear of corn’, giving rise to crop (sense 1 of the noun) and senses referring to the top of something, whence crop (sense 4 of the noun).