Characteristics and uses of rapeseed flowers are as follows:
1, the characteristics of rapeseed flowers: rapeseed flowers are upright in shape, upright stem, golden yellow in color, bisexual flowers, 4 petals, two opposite the "+" shape, strong aroma, the flowering period between January and March. It is a bisexual flower with 4 petals, two opposite each other in the shape of "+", with a strong aroma. Rapeseed flower four petals, neatly around the stamen, simple personality. The stamen in the center bends and comes together as if whispering. It has tough rhizomes, lush leaves, and has a simplicity and ruggedness like the farmers who planted them.
2, the use of rapeseed: rapeseed is very rich in pollen, seed oil content of 35 ~ 50%, can be extracted or used as fodder. In addition, the young stems and leaves of rapeseed can also be eaten as vegetables. In the food industry, canola can be used to make margarine and artificial protein. In metallurgy, machinery, rubber, chemical industry, paint, textile, soap, paper, leather and medicine have a wide range of uses, has an important economic value.
Rapeseed planting notes
The requirements of the soil rapeseed on the soil acidity and alkalinity requirements for the pH5-8, and weakly acidic or neutral is the most favorable rapeseed can also tolerate saline and alkaline, in the salinity of the soil for the 0.2%-0.26% of normal growth. Oilseed rape is the most avoidable soil rigid plate impermeable, if the soil plate, sowing seeds can not germinate, out of the ground easy to rot seeds, seedling period plant seedlings easy to individualize the old death. It is not easy to send new roots when transplanting, and the seedlings grow slowly or even die.
Rapeseed need proper watering after planting, keep the soil moist, conducive to seed germination; rapeseed prefer higher temperatures, its suitable growth temperature is between 20 ~ 30 ℃, not too hardy, when the outside world temperature is too low, need to do a good job of protective measures, to avoid frostbite plants.