Inventories (Details) - USD ($)	Dec. 31, 2019	Mar. 31, 2019
Total inventories at cost	$ 631,033	$ 545,843
Inventory-impairment		29,439
Inventories, net	631,033	516,404
Growing Cost [Member]
Total inventories at cost		70,211
Selenium Enriched Paddy [Member]
Total inventories at cost	568,459	396,800
Rice And Other Products [Member]
Total inventories at cost	50,698	68,662
Packing And Other Materials [Member]
Total inventories at cost	$ 11,876	$ 10,170

Amount of inventory reserves for last-in first-out (LIFO) and other inventory valuation methods.

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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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