Received: 29-11-2012 / Accepted: 25-06-2013
Luc Ngan isanimportant agricultural district of BacGiang province. The district has five main land use types, i.e.paddyrice, paddy rice – upland crops, vegetables– upland crops, fruit crops and forest. The key commodity crops arelychee, persimmon and Acacia. Ofthe current land-use types, lychee and acacia bring maximum economic efficiency in terms oftotal revenueperha per annum, mixed income,workday value and cost-benefit ratio. The land use typesof rice-rice and rice-upland cropsdo notbring not high economic efficiency but play a vital role inensuring food security. By 2020, 4,000-4,200 hectaresare projected forrice and rice and non-rice crops andabout 18,500 ha forlychee cultivation, of which12,000-15,000 hectaresdevoted to high quality lychee. Forestareawill be expandedto 33,000ha,mainly with Acaciafor timber and paper pulp.