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A brassica oilseed crop
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Glossary
Canola is a trade name for the refined oil but is sometimes used to refer to the whole plant.
Oilseed rape is a very useful crop as the seed is typically 42% oil and the meal left after removing the oil is about 42% crude protein. Furthermore the oil is particularly high quality and high in monounsaturates and should logically be a premium product (as it is as "Canola", the trade mark of rape oil produced in parts of North America).
The meal is a useful animal feed.
There are two quality types
Edible oils, used as a food grade oil.
It is most often encountered as an odourless frying oil low in unsaturated fats but it is also an ingredient in many food products, especially where a "healthy" oil is required.
Industrial (although some edible types are also used industrially), which are NOT edible but have been bred to contain high levels of compounds critical for some industrial processes.
Even the raw oil, with some adjustment, will run diesel engines (it can be run on its own but apparently doesn't do the engine much good.)
One of the contributors to UBA has, for the last couple of years used it in the oil tank of his chainsaw. This is a total loss system, on a busy day about 2litres gets thrown off the chain between two operatives. He buys it direct from the local supermarket. (This is not recommended for a saw not in regular use as if left it gums up the system and after a while the saw acquires a green tinge.
The plant
Rape seed is a tiny round black seed and is sown at 3 to 8 kg/Ha (ie at under 1gm/sq m) which germinates rapidly to produce a typical brassica (cabbage family) plant. After a period of establishment it runs to flower producing the characteristic brassy yellow flowers and a faint odour of honey.
Honey
It is responible for much of the honey produced in lowland UK, although the honey is so strong it tends to crystallise and so is often blended. The pollen is designed for pollination by bees and is heavy and sticky (as anyone who walks through a field in flower will discover).
Harvesting
The seed pods are about 5mm in diameter, pointed at both ends, and 30 to 80mm long. Harvesting may be preceeded by dessication (spraying to kill the plant evenly) or swathing/windrowing (cutting the plant and leaving it on the stubble to dry) or direct cutting with a combine harvester. Attachments to the front of the combine are common for both picking up the windrow or direct cutting (which often comprises a long extension between the knife and the combine intake). The pods are easily shattered and the seeds lost and the small ballbearing-like seeds will run like water through any tiny holes.
Several species of bird, including the Linnet (a farmland bird in decline), are able to take advantage of rape crops for food. Others, including Sedge Warbler and Reed Bunting, regularly use it for nesting. Their breeding attempts often last beyond the desication or cutting point and rsearch has shown that the bird's nests almost always survive the spraying process but most are destroyed by cutting.
A pervert thief who ran a car in the mountains took off the balaclava and attached a tights mask. He prepares for rape.
Rape flower head, taken last week near to Gumley in Leicester-shire.
The seeds form the rape can be used in various medical treatments as well as biodiesel. We have fields of the stuff around here... not very welcome by the hay fever suffers.
Rape field near Turku, Finland.
菜の花畑 トゥルク近郊。フィンランド。
4X5" Kodak TMY2, N-development, Super-Angulon 8/90mm, f/16
Casale sul Sile, Treviso
HDR 3 Scatti
Fotocamera: Canon EOS 450D
Esposizione: 0,05 sec (1/20)
Aperture: f/11.0
Lente: 8 mm
ISO: 100
Exposure Bias: 0 EV
Flash: Off, Did not fire
Lens: Samyang Fisheye 8mm f3.5 APS-C
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Co-diseño con mi primo Franciso de 9 años.
Diseño: 19/08/14
Papel bond 21.6x21.6 cm
Este modelo ha sido diseñado entre mi primito y yo. Él desarrolló básicamente el modelo a partir de una base de pájaro, siendo la cabeza y el señuelo lo que permanece del modelo y yo me dediqué a modificar el cuerpo y las aletas y pulir el resto del modelo.