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petchay contains small amounts of niacin,thiamine,rivoflavin and vitamin B-6.
The English of a p] Petchay is a Chinese cabbage.
The question 'What is a petchay' is inaccurate because pechayis spelled P-E-C-H-A-Y. Pechay is a Chinese cabbage.
At this point the cause for arthritis is not known.
Looks to me a bit like Bok Choi
the scientific name of pechay is 'Brassica rapa'
all living organisms need nitrigen to build proteins
To plant petchay by direct seeding into soil, but can be transplanted, cover seeds to a depth of 1 cm by raking or spreading more topsoil. Plant spacing is 10 cm between plants and 20 cm between rows. Water immediately after planting.