Property and Equipment (Details) - USD ($)		Dec. 31, 2019	Mar. 31, 2019
Property, Plant and Equipment [Line Items]
Total		$ 23,253,782	$ 23,183,960
Less: Accumulated depreciation		(12,897,207)	(12,111,409)
Impairment	[1]	(2,259,147)	(2,345,193)
Property and equipment, net		8,097,428	8,727,358
Building [Member]
Property, Plant and Equipment [Line Items]
Total		5,984,927	6,436,297
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Total		9,321,200	8,944,025
Farmland development cost [Member]
Property, Plant and Equipment [Line Items]
Total		1,716,340	1,781,627
Office equipment and furniture [Member]
Property, Plant and Equipment [Line Items]
Total		5,664,322	5,470,084
Motor vehicles [Member]
Property, Plant and Equipment [Line Items]
Total		$ 566,993	$ 551,927

[1] The variance of impairment from March 31, 2019 to December 31, 2019 is solely caused by exchange rate variance.