Results of research in adaptation of cashew (Anacardium occidentale) to north central Vietnam (Quang binh, Quang tri and Hue)
2005
Phan Thanh Hai | Ta Minh Son
Cashew has been found to be highly tolerant to poor and dry soils. Beside the environmental values, cashew can provide high income to farmers. However, the research for cashew development in North Central Vietnam had not been conducted before because of local specific weather conditions. Only in the recent years, the Agricultural Research Center for Coastal South Central Vietnam has been conducting the research on the possibility of cashew development in this agroecological region. The results of the research after 32 months show that cashew has good adaptation to the agro-climatic conditions in North Central Vietnam. Three promising lines out of twenty lines have been identified and selected for this region, namely DDH 211-319, DDH 54117 and DDH 66-14 with the average yield of 200-640 kg/ha 32 months after planting. The cashew yielding will increase by 202 percent to 213 percent if applying fertilizer at the ratio of Nitrogen: Phosphate: Potassium equal to: 3:2:1 and 3:3:1. Keeping the humidity in cashew field soils by straw or recycled nylon mulch can increase the number of bud per plant and increase cashew yield by 190.6 percent to 204.4 percent. Irrigation also increases the yield by 157.7 percent to 231.3 percent compared to that of cashew planted in natural conditions
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