This helps to retain water for the water spinach. Generally, it has been shown that a dose of 60 kg N/ha is sufficient and that the application of K can be beneficial on the yield.

Web. Yoshihara, S., Hung, N. P., Hung, N. H., Loc, C. B.

[7][8][9][6] On the other hand, India has been suggested as the location of the plant's origin. Also, aphids may be problems in fields.

The vegetable is also extremely popular in Taiwan, where it grows well.
Finnish Zoological and Botanical Publishing Board, 2000. Beginnings of agriculture in the Far East. After the planting period, the fields are drained and once the fruit of the water spinach is ripe, it is harvested, dried, then trodden to release the seeds which are to be used for the following season.

"Helminths and Helminthiosis of Pigs in the Mekong Delta, Vietnam with Special Reference to Ascariosis and Fasciolopsis buski Infection." Though the term "morning glory" is not usually extended to Ipomoea batatas, sometimes it may be referred to as a tuberous morning glory in a horticultural context. Because no evidence indicates the plant has escaped into the wild, Texas lifted its ban on cultivation for personal use with no restrictions or requirements, noting its importance as a vegetable in many cultures, and also began permitting cultivation for commercial sales with the requirement of an exotic species permit. [19] It is also considered native to Africa [13] and in its wild form for example collected and used by the Sambaa people in Tanzania. Sinskaya’s inventory of plant taxa in the basic and dependent areas of the historical development of the flora of cultivated plants.

Li, M., Wu, Y. J., Yu, Z. L., Sheng, G. P., & Yu, H. Q.


For the second harvest the optimal fertilization was determined as 120 kg/ha of N, 45 kg/ha of P2O5 and 100 kg/ha of K2O. The vegetable is also commonly eaten alone. 222-256 in. [5] As of 2005, the state of Texas has acknowledged that water spinach is a highly prized vegetable in many cultures, and has allowed water spinach to be grown for personal consumption, in part because it is known to have been grown in Texas for more than 15 years and has not yet escaped cultivation. The first harvest in the wetland method can usually be done at around 30 days after the transplantation. Because of their fast growth, twining habit, attractive flowers, and tolerance for poor, dry soils, some morning glories are excellent vines for creating summer shade on building walls when trellised, thus keeping the building cooler and reducing heating and cooling costs.

Nitrogen removal from eutrophic water by floating-bed-grown water spinach (Ipomoea aquatica Forsk.) Clay soils and marshy soils rich in organic matter are suitable for water spinach. In either case, the distance between the plants should be about 12 cm by the time they are 15 cm tall. In the USA Ipomoea aquatica is a federal noxious weed, and can be illegal to grow, import, possess, or sell without a permit. Pinker, I., U. Bubner, and M. Böhme.