As the weather turns cold, ginger enters the period of rapid enlargement of tubers. Strengthening the management of ginger is very important for increasing the yield. Below, introduce the technical points of late ginger management.
First, foliar spray fertilizer
After entering late September, due to the lowering of temperature, the root system of ginger will age and the absorption capacity of water and fertilizers will be deteriorated. At this time, it is not appropriate to apply topdressing to spray the foliar fertilizer. Spraying 0.2% potassium dihydrogen phosphate can protect the leaves from mulching, extend the functional period of the leaves, and increase the yield at the later stage. Spray once every other week, spraying twice.
Second, graded earth
Because of the dark environmental conditions required for the growth of ginger rhizomes, it is an important management measure to increase ginger production and improve quality. Generally need to cultivate soil 2-3 times, soil to cover the main tuber, not too thick, so as not to affect the growth. Two weeks later, the second and third soils were used. Finally, the soil was earthworms and the roots could not be exposed on the ground.
Third, disease prevention and pest control
Ginger disease is a devastating disease in the production of ginger. When a diseased plant is discovered, it is timely removed, and the soil is spread by spraying the diseased plants with Ginger Po and Jiang Yu San. And timely spraying of agricultural streptomycin or 50% of Johnson's ammonium 800 times control, spray 7-10 days, continuous spraying 2-3 times. The pests mainly include Ginger Aphids, Spodoptera exigua, and Ginger Thrips, etc., and they must regularly observe the pest situation and do a good job of chemical prevention and control before major outbreaks. They can be controlled by insecticides such as cockroach and imidacloprid, and are controlled once every 7-10 days. .
Fourth, timely harvest
The best harvest of ginger in the central region of our province is in late October. The southern part of our province can be delayed for one week. The eastern production areas such as Tangshan and Qinhuangdao can be properly advanced one week, and must be harvested before the onset of frost. To facilitate the storage and return of nutrients, about 3 cm of stems are left in the top of the tuber at the time of harvest to promote nutrient reflux.
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