Ginger, Zingiber officinale, is a herbaceous plant native to Asia. Ginger is cultivated for its dried rhizomes which are used as spices in many dishes because of its delicate aroma and its more or less hot flavor. Commonly called "Djinja" in Cameroon, it is eaten fresh, dried or powdered. Bakers and confectioners also use it for meat preservation. Here is a technical sheet for you to succeed in growing ginger in Cameroon and everywhere else.
Favorable conditions for growing ginger
Ginger loves the tropical climate where the temperature is high at least part of the year, with plenty of rain, sun and little wind. When growing ginger, it takes about 1100 liters of water / m2 or 11 million liters of water / ha to get good ginger. Also the average annual rainfall should be greater than 2000 mm otherwise a supplementary irrigation is necessary if the rainfall is less than 1000 mm. It develops in regions that have an altitude between 500 and 1500 m.
To thrive ginger requires very light and rich soils, acidic and free of stones to properly develop its rhizome. The ideal soil must be humus, easy to work, well drained because it fears excess moisture. Slight loamy or sandy-clay soils are very suitable.
II. Cultural techniques
Propagation is done by dividing the ginger rhizomes just before the vegetation resumes. Division by hand into pieces carrying at least one bud, but the final yield will be proportional to the size of the starting rhizome. Allow the break to dry before planting flat on the surface; the substrate should not exceed half the thickness of the rhizome.
The growth of ginger is fast. As it takes 2 to 3 months to plant rhizome pieces from a plantation, the plants can be left in the soil until planting. Cover them with a mulch regularly renewed to avoid drying out.
II.2. Soil preparation
This soil preparation is done in February-March. It has great importance and must be done carefully because the useful part of the plant is underground.
Data sheet: Ginger cultivation "djindja"
Ginger, Zingiber officinale, is a herbaceous plant native to Asia. Ginger is cultivated for its dried rhizomes which are used as spices in many dishes because of its delicate aroma and its more or less hot flavor. Commonly called "Djinja" in Cameroon, it is eaten fresh, dried or powdered. Bakers and confectioners also use it for meat preservation. Here is a data sheet for you to succeed in the culture of Clearing the site by systematically destroying all the roots that can disrupt the development of rhizomes.
Stack and burn locally residues that do not rot quickly
Plowing flat or forming ridges or planks at a height of at least 30 cm. It is necessary to crumble the earth sufficiently.
Enrich the soil with a lot of compost or chicken droppings of about 40 to 60 tons / ha or 400 to 600 bags of 100 kg.
Ginger is planted between mid-March and mid-April. For this, use fresh pieces of rhizomes that must each wear 3 to 5 eyes. They will be removed and cut with a sharp knife about 2.5 cm in length.
The quantity of seed used varies from 900 to 1350 kg per hectare.
Submerge a third of the ginger in the glass of water. Leave it until the roots are the size of the thumb. The bursts of rhizomes are planted between 10 to 15 cm deep. Young shoots appear around the 10th to 15th day after planting. The lifting is complete at the 3rd week.
Density of plantation
To have a density of 95000 plants to 100000 plants per hectare, the following distances are required:
Width of the ridges: 0,90 m
Distance between the ridges: 25 to 30 cm
Spacings between plants: 15 x 25 cm; 25 x 30 cm; 30 x 30 cm.
II.4. Fertilization They are exhausting plants. Put in each hole one or two handfuls of manure or a mixture of manure and ash, which represents a basic fertilizer of 10 to 12 tons and more than 2 tons of ash per hectare. If the soil is enriched before planting, it is not necessary to add fertilizer when the ginger is growing, all it needs is an adequate water supply and the sunlight. However, apply 11-11-22 + 5.5 or other high potash fertilizer at a rate of 20-25 kg / 1000 m2. Apply this fertilizer in a microgroove dug parallel to the planting lines and close again. II.5. Interview The planks once planted are covered with a thick layer of leaves having the property to quickly rot, thus serving as green manure but the main goal is to protect the surface soil from the sun's heat. When the young plants are well developed, the planks are cleaned by careful weeding. Then we proceed to a new mulching identical to the first. This mulching is repeated at the end of the 3rd month. It was found that mulching had a residual effect and benefited not only the cultivation of ginger, but also those that followed it. Stop all watering of your ginger as soon as the leaves are half yellow and do not resume gradually with the appearance of the first shoots. II.6. Diseases and enemies diseases On the leaves, several fungi produce stains on both plants. enemies The enemies of ginger are common. Red rhizomes and dry and black rot are known in particular for rhizomes. Species cause root decomposition and seeding. However, attacks on ginger are usually minimal and therefore do not require special treatment.