Cultivation of Water Spinach

Posted Tuesday, August 31, 2021 ( 1 year ago)

Last updated: September 2nd, 2021

Water spinach is a popular green vegetable. It is widely cultivated on a commercial scale in water-dependent lowlands. The stem cuttings can be simply grown in a waterlogged area of the garden to meet the needs of the family. Water Spinach (kankun) can also be grown in waterlogged lowlands. There are two types of Water Spinach, depending on the color of the plant stem, leaves and flowers.

  1. The Purple type
    The trunk here is purple. The flowers are purple. It is cultivated commercially in some areas. Latex quality is relatively high.
  2. The green type
    The stem is green. flowers are white. Two species have been identified as indigenous and Thai. Both of these varieties are grown commercially. The milk nature of these varieties is relatively low and has become increasingly popular.

There are two types of Water Spinach, depending on the style of growth.

  1. 1. Vine type - The stem is purple-green in color. It Grows as a driver. The flowers are purple.
  2. Shrub type - The stem is color green. The flowers are white. It grows as a shrub.
  3. Thai type
  4. Chinese type

Climatic requirements for Water Spinach (Kankun) cultivation

Water Spinach can be grown in any area other than winter areas when there is sufficient water. Due to the high water requirement, it is widely grown in the wet zone. They can be grown successfully in water-dependent swamps as well as in highlands where water is available frequently. Flowering occurs quickly if watering is neglected during highland cultivation. In the dry zone, Water Spinach also thrive in lakes, swamps and waterways. Slightly acidic soil between 6.00 - 7.00 is more suitable for cultivation.

Planting material used for Water Spinach (kankun) cultivation

In addition to stalks, seeds also can be used for cultivation. The Thai variety can be used for seed production and seed germination takes place well during low temperatures such as November, December and January. For this, they can set aside a part of the field they cultivate. Planting material should be obtained from a healthy crop. 3-4 cm with knots. 20-30 cm long stem cuttings are used for planting. Leaves should be removed before planting.

Time of planting for Water Spinach cultivation

Can be grown at any time in lowland areas where water is available. It is better to start cultivation during the rainy season as watering should be provided frequently when cultivating in highlands.

Preparation of land for Water Spinach cultivation

Turn the ground, tie up the water and let the weeds rot. Then arrange a few drains in the paper to drain the water when needed. Crush the stones and flatten the ground and plant the stalks at a spacing of 30-30 cm. Rods can also be planted at random. Dissolve the apex removed stalks in water without grounding in waterlogged marshes.

Cultivation in highlands

After turning the ground and crushing the stones and removing the weeds, arrange the beds in the form of written (sunken beds). Then water the leaves well and place the Water Spinach stalks at a spacing of 30 × 30 cm.

Weed control in Water Spinach cultivation

Weeds growing with Water Spinach should be removed from time to time and the field should be kept clean.

Fertilizer application for Water Spinach cultivation

Well decomposed manure, poultry manure or compost manure per 1000 Square meters. (1/4 acre) Metric tons. About 1 Kg of Water Spinach is added to the soil 1 week before planting.

  1. Organic fertilizer - Well decomposed manure or chicken manure or compost manure per 1000 Square meters. (4 1/2 acres) Metric tons. Water Spinach of 1 Kg should be added to the soil before planting. Poultry manure is widely used by farmers as it reduces weed damage and prevents weeds from spreading.
  2. Application of chemical fertilizers - Basic Fertilizer Application: - The basic fertilizer mixture is mixed into the soil two days before planting.

Basic fertilizer (Per 100 square meters)

  • Urea – 9 Kg
  • Super Phosphate - 13.5 Kg
  • Muriate of Potash, MOP - 10.0 Kg

Surface fertilizer application

  • 4 weeks after planting, Spray 9 Kg of urea per 1000 Square meters.
  • After each harvest. Apply Urea 4.5 Kg and Muriate of Potash 1.5 Kg  per 1000 Square meters.
  • Apply 6.5 Kg concentrated superphosphate per 1000 Square meters every 6 months.

Diseases affecting Water Spinach cultivation

Brown spot disease - Circasspora fungus causes brown round spots on leaves. Later, the leaves turn yellow and die. Then this disease can be controlled to a considerable extent by applying potassium fertilizers and removing diseased leaves.

White Rust Disease - First appears as white dotted spots on the underside of the leaves of diseased trees. Then this disease is spread throughout the sheet. At that time some parts of the leaf surface turn yellow. As the disease progresses, the leaves become thinner and the stem of the plant becomes unusually large. Later the growth of the apex is inferior.

Disease control in Water spinach cultivation

The disease can be controlled to a considerable extent by applying potassium fertilizers and removing diseased leaves.

Maintenance and harvesting of Water Spinach

It can be done in two ways. let the crop grown over the field and harvest from time to time. It can bemaintained as a bush by planting at the recommended interval and harvesting at intervals of 20-30 days. This facilitates harvesting and weeding.

When grown in the highlands, The first harvest can be obtained about 30 days after planting. After that, it can be harvested about once every 20 days. Two tons at a time per 1000 square meters. The first harvest can be obtained about 20 days after planting in low lying areas. After that, it can be harvested every 20 - 25 days. The yield is about 2000 Kg per 1000 square meters (1/4 acres).