rice fields on terraced in rainny seasont at tu le village, yen bai,

agriculture agroculture asia asian bai bali burma cambodia china control county curve earth ecology environment farm field fields food for green ground grows horticulture indochina land landscape lao leaf local management mountain myanmar nature northwest outside patchwork plant plantation prepare rainny regulation rice rough saigon sapa seasont soil sunset terrace terraced thailand transplant travel valley viet vietnam village yen yenbai