Key points of field cultivation and management of ginger

Ginger refers to the rhizome of the genus Zingiber. Sexual temperature, its unique "gingerol" can stimulate gastrointestinal mucosa, make gastrointestinal congestion, enhance digestive ability, can effectively treat abdominal distension, abdominal pain, diarrhea, vomiting caused by eating too much cold food. After eating ginger, people will have a feeling of fever, because it can dilate blood vessels, speed up blood circulation and open pores on the body, which can not only take away the excess heat, but also bring out the germs and cold in the body. When the body eats something cold, gets caught in the rain or stays in an air-conditioned room for a long time, eating ginger can eliminate all kinds of discomfort caused by heavy cold in time.

Growth habits of Ginger

Ginger is native to the tropical region of Southeast Asia. It likes warm and humid climate, and its cold and drought resistance is weak. The plant can only grow in frost-free period. The most suitable temperature for growth is 25-28 ℃. If the temperature is lower than 20 ℃, the plant will sprout slowly, and the plant will wither when it is frosted, and the rhizome will lose its germination ability completely by frost.

The annual average temperature of most counties in the main producing areas of Guangxi is 18-19 ℃, the average temperature in July is 25.3 ℃, the extremely high temperature is 39 ℃, the average temperature in January is 10.2 ℃, the extreme low temperature is-4 ℃, and the annual frost-free period is more than 330 days. The annual rainfall is 90-1300 mm, and the relative humidity of the air is about 80%.

Like warm and humid climate, not cold-resistant, afraid of moisture, afraid of direct light. Avoid continuous cropping. It is suitable to choose sloping land and slightly shady land for cultivation. The upper layer is deep, loose, fertile and well drained from sandy soil to heavy soil.

Key points of field cultivation and management of ginger

1) rational watering

Ginger needs less water. Keep the soil moist before emergence and water once every 4 to 5 days. The ginger field covered with plastic film has good moisturizing property and can be watered according to the needs of crops. After the emergence of ginger, it can be watered once every 5 ~ 7 days depending on the seedling condition and soil moisture.

II) Scientific topdressing

Ginger generally does not top fertilizer from seedling emergence to "the Beginning of Autumn". After "the Beginning of Autumn", there is a rapid growth period, which can be combined with watering, 150kg ~ 200kg of rotten cake fertilizer per mu, or 500kg ~ 1000 kg of dry dung, or 40kg of compound fertilizer can be opened. For example, the single application of urea and ammonium sulfate containing nitrogen can increase the yield, but it has an effect on the quality of ginger, and it has high moisture content and is not resistant to storage. More compound fertilizers, especially those with more phosphorus, play an important role in improving the quality of ginger, but plant ash should not be applied to avoid affecting the color of commercial ginger.

III) shallow hoe to cultivate soil

Ginger has few roots, weak growth and shallow distribution, so it is not suitable for more middle ploughing and deep ploughing after emergence. Cultivation in the open field, shallow hoe 1 times after emergence, cut through the land and break the knots, only pull the grass but not ploughing during the growing period, and the weeds at the ginger trees are cut off from the base of the ground, so as not to drive the ginger root and affect the normal growth, and those covered with plastic film do not need middle tillage. Ginger in the middle stage of growth, should be cultivated in the open field, cultivate the soil once after "the Beginning of Autumn", 10 cm ~ 15 cm high, and remember not to hurt the root when cultivating the soil.

IV) peeling leaves and straightening out

When ginger grows the first true leaf, due to the influence of climatic conditions, the leaves of individual plants are curled and other leaves cannot grow flat, so they should be peeled off and straightened out in time to ensure their robust growth.

5) to remove shade and promote growth

After the Beginning of Autumn, when the temperature dropped below 25 ℃, in order to promote the growth of ginger and prevent the growth of stems and leaves, the shadow grass which was shaded by ginger should be removed in time, and the intercropping should be harvested in time to increase ventilation and light to ensure the healthy growth of ginger.

VI) digging out ginger to increase benefit

The mother ginger planted before the Beginning of Autumn can be pulled out and sold, which can increase the economic benefit by 20% to 30% more than a harvest. The method is: in the north of the ginger tree, gently remove the soil from the plant with a small shovel, expose the mother ginger, press the shovel knife at the 5cm ~ 6cm of the main stem with your left finger, and gently tilt it up to take out the mother ginger. Then seal the ginger plant with soil and pour 2 water continuously to make the soil close with the plant. Other new ginger should be harvested on a sunny day in the morning after Frosts Descent, and stored or sold after a round head.