Currently, Phuong Nam Agricultural Cooperative, Pha Cung village, is managing more than 300 hectares of longan, of which 35 hectares are produced according to VietGAP standards, with an average yield of 18-25 tons/ha. Mr. Tran Nhu Kien, Director of the Cooperative, said: The Cooperative produces longan synchronously from garden sanitation, pruning, fertilizing with organic microorganisms to spraying biological products. In recent times, climate change has affected agricultural production, therefore, applying science and technology and receiving training from local authorities has helped the Cooperative strongly shift to organic methods, improving output and quality, meeting customer needs.
For organic longan care techniques, each hectare of longan needs 8-10 tons of bio-fertilizer, soil improvement and disease prevention. The cooperative mobilizes 30 households to reduce 40-50% of chemical fertilizers compared to before, replacing them with bio-fertilizers, liquid organic fertilizers, and biological products; at the same time, research on self-producing bio-fertilizers and connecting with businesses to purchase for farmers.
To increase value and create competitive advantages, in addition to producing longan in the main season, Phuong Nam Agricultural Cooperative also selects late-ripening longan varieties with two lines PHM 1.1 and T6, of which PHM 1.1 has superior quality and a higher selling price. Every year, the Cooperative produces over 4,000 tons of longan, with a yield of over 15 tons/ha and an average price of 13,000 VND/kg. The Cooperative applies pest control measures according to the "4 rights" principle, combining biological products and natural enemies to protect crops, both keeping the garden healthy and improving farming efficiency. At the same time, to ensure environmental sanitation, the unit invests in tanks to store pesticide packaging, periodically handing them over to specialized agencies for proper handling. The Cooperative is negotiating to bring longan into supermarket chains in Hanoi and many other provinces.
From the linkage model, many farmers in Long Phieng have changed their production mindset. Mr. Nguyen Van Tap, Pha Cung village, shared: My family has been growing longan since 2018, currently has more than 30 hectares, with an output of about 600 tons/year. When switching to organic, it was initially difficult because of composting, but it helped the longan tree recover quickly, the leaves were thick and green, less falling and pests and diseases were significantly reduced. To maintain efficiency, my family adheres to the "four rights" principle after harvest: right time, right dosage, right product, right technique. Specifically, after 7-10 days of harvest, it is necessary to prune diseased branches; from 10-20 days, apply organic fertilizer, lightly loosen the soil. Then, water to keep moist 2-3 times/week during the dry period, combined with spraying biological products to stimulate roots and prevent diseases. When applying organic care, the tree canopy coverage is even and safe products are prioritized for purchase by processing enterprises and traders.
Long Phieng commune currently has more than 800 hectares of longan. This year's longan crop yielded more than 6,000 tons, harvested for domestic consumption and processing to make longan. Immediately after the harvest, the commune organized technical staff to go to the grassroots to guide the organic tree restoration process.
Mr. Lu Van Chung, Chairman of Long Phieng Commune People's Committee, informed: Previously, people abused chemical fertilizers and pesticides after harvest, causing the soil to be hard, plants to be weak, and flowering to be poor. The commune has promoted and encouraged farmers to switch to organic models. Up to now, there are more than 300 hectares, of which more than 40 hectares meet GlobalGAP and VietGAP standards; more than 10 hectares have been granted growing area codes.
Initial results show that the organic longan care model in Long Phieng has brought about clear results, both improving product quality, reducing input costs, and protecting the health of producers and the environment. With the support of the government and cooperatives, Long Phieng is gradually building the “clean longan” brand, creating an important foundation to increase value and expand the market.
Source: https://baosonla.vn/nong-nghiep/cham-soc-nhan-theo-huong-huu-co-lTT6VsZvR.html
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