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  2. Conifer cone - Wikipedia

    en.wikipedia.org/wiki/Conifer_cone

    A mature female big-cone pine (Pinus coulteri) cone, the heaviest pine cone A young female cone on a Norway spruce (Picea abies) Immature male cones of Swiss pine (Pinus cembra) A conifer cone, or in formal botanical usage a strobilus, pl.: strobili, is a seed-bearing organ on gymnosperm plants, especially in conifers and cycads.

  3. Animal feeding operation - Wikipedia

    en.wikipedia.org/wiki/Animal_feeding_operation

    1 to 9,999 ducks (if the AFO uses other than a liquid manure handling system); or; 1 to 1,499 ducks (if the AFO uses a liquid manure handling system); A medium AFO would be delineated as follows: 200 to 699 mature dairy cows, whether milked or dry; 300 to 999 veal calves; 300 to 999 cattle other than mature dairy cows or veal calves;

  4. Pinus serotina - Wikipedia

    en.wikipedia.org/wiki/Pinus_serotina

    It takes 18 years for the pond pine to reach full maturity. [9] The almost round cones are 5–8 cm (2– 3 + 1 ⁄ 4 in) long with small prickles on the scales. Its cones are usually serotinous, requiring fire to open. [6] The pollen cones are cylinder-shaped with a yellow, brownish color, and are up to 1.8 inches long. Seed cones need two ...

  5. Cattle feeding - Wikipedia

    en.wikipedia.org/wiki/Cattle_feeding

    This is because feeding grain to cattle makes their normally pH-neutral digestive tract abnormally acidic; over time, the pathogenic E. coli becomes acid resistant. [40] If humans ingest this acid-resistant E. coli via grain-feed beef, a large number of them may survive past the stomach, causing an infection. [ 41 ]

  6. Jack pine - Wikipedia

    en.wikipedia.org/wiki/Jack_pine

    The cones are 3–5 cm (1 + 1 ⁄ 4 –2 in) long, the scales with a small, fragile prickle that usually wears off before maturity, leaving the cones smooth. Unusually for a pine, the cones normally point forward along the branch, sometimes curling around it. That is an easy way to tell it apart from the similar lodgepole pine in more western ...

  7. Podocarpus - Wikipedia

    en.wikipedia.org/wiki/Podocarpus

    The seed cones are highly modified with the few cone scales swelling and fusing at maturity. The cones are pedunculate and often solitary. The seed cone consists of two to five cone scales of which only the uppermost one or rarely two nearest the apex of the cone are fertile. Each fertile scale usually has one apical ovule.

  8. Yellow pine - Wikipedia

    en.wikipedia.org/wiki/Yellow_pine

    Jeffrey pine wood and ponderosa pine wood are sold together as yellow pine. [6] Both kinds of wood are hard (with a Janka hardness of 550 lbf (2,400 N)), but the western yellow pine wood is less dense than southern yellow pine wood (28 lb/cu ft (0.45 g/cm 3 ) versus 35 lb/cu ft (0.56 g/cm 3 ) for shortleaf pine).

  9. Pinus sylvestris - Wikipedia

    en.wikipedia.org/wiki/Pinus_sylvestris

    Young female cone Pinus sylvestris forest in Sierra de Guadarrama, central Spain. Pinus sylvestris is an evergreen coniferous tree growing up to 35 metres (115 feet) in height [4] and 1 m (3 ft 3 in) in trunk diameter when mature, [5] exceptionally over 45 m (148 ft) tall and 1.7 m (5 + 1 ⁄ 2 ft) in trunk diameter on very productive sites.

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