Grasping the local needs and shortcomings in the use of fertilizers by farmers, Van Dien Fused Phosphate Joint Stock Company cooperated with Ha Tinh Gardening Association to deploy many models. Van Dien fertilizer application for pomelos, oranges and safe vegetables on the table in Huong Khe, Vu Quang, Duc Tho …
The provincial Ha Tinh there are more than 7,000 ha of citrus trees, of which orange and pomelo trees account for nearly 90%. The most cultivated area for pomelo trees is in Phuc Trach, Huong Trach and Huong Do communes (Huong Khe district), while the orange area is mainly concentrated in Vu Quang district up to 2,500ha, Thuong Loc commune (Cam Loc district) is 240 ha.
Land for planting oranges and pomelo This area belongs to the group of red and yellow feralit soil and an area of basalt soil formed on hilly or mountainous terrain interspersed with high mountains, very hot summer climate, on average 380C, cold winters and rainfall. Large, suitable for grapefruit, orange trees.
However, in the agronomy of pomelo and oranges, there are many limitations due to the unscientific use of fertilizers, farmers rarely invest in organic fertilizers, use too much acidic chemical fertilizers such as supe, phosphorus, nitrogen, etc. or types of fast-soluble NPK containing acid root for fertilization, intercropping legumes for land investment is limited, and in the rainy season, soil is very large.
As a perennial tree, pomelos and oranges in Ha Tinh lack nutrition and sour environment, thus reducing productivity, appearing harmful pests and diseases. Before 2010, the brand name of Phuc Thach pomelo and oranges in the market was faint. The area of orange cultivation has narrowed, the gardeners’ income has decreased sharply … in order to restore the brand, regain productivity and quality, Ha Tinh province has focused on investing in building a fertilization process according to the VietGAP standards.
Understanding local needs and shortcomings in the use of fertilizers by farmers, Van Dien Fused Phosphate Joint Stock Company cooperates with Ha Tinh Gardening Association to deploy many models. using Van Dien fertilizer for pomelos, oranges and safe vegetables on the table in Huong Khe, Vu Quang, Duc Tho …
Trial on Van Dien fertilizer in pomelo production areas of Phuc Trach, Cam Khe May, Thuong Loc, Cam Bu Huong Son.
The experiment was conducted in a closed crop year 2010 on 1.5 ha of 15 year old grapefruit in Phuc Trach, together with 2.0 ha of 10 year old oranges in Khe May and Huong Son by using completely Van Dien fertilizer including Fused phosphate fertilizer and NPK multi-factor fertilizer is used specifically for citrus. Van Dien fertilizer divided fertilizer 4 times a year:
- Stage 1: Applying after harvesting, using 1.5 – 2.0 kg / root of Van Dien fused phosphate + multi-element of NPK 5.10.3, from 2- 4 kg + 15 kg of decomposed organic fertilizer /origin.
Phase 2: Applying flowers with the amount of fertilizer from 1.0 -1.5 kg / root of ĐYT NPK 12.5.10.
Stage 3: Applying after fruiting from 2.0 to 3.0 kg / root of health care NPK 12.8.12
- Phase 4 fertilizing 50 days before harvesting fruit from 1.5 -3.0 kg / root ĐYT NPK 12.7.20.
Grapefruit fertilized with Van Dien is more prominent than the control along with other NPK fertilizers in that: Bright green leaves, shiny leaf surface, thick leaves, smooth bark and branches, 50% reduction of harmful pests and diseases. high fruiting, fruit uniformity, concentrated ripening, beautiful peel color, less fruit drop, yield 1.8 times higher than control, sweet and fragrant quality characteristic of Phuc Trach grapefruit and famous Buu before. After only 10 years, farmers have liked the effectiveness of Van Dien Fertilizer
Mr. Nguyen Xuan Tinh – Chairman of the Gardening Association of Ha Tinh province said, “Since the introduction of Van Dien fertilizer, orange trees, grapefruit trees here are fully supplemented with nutrients, healthy plants, good growth and development. With high yield and quality, up to now, Ha Tinh province has thousands of hectares of citrus trees fertilized with Van Dien fertilizer ”.
Mr. Hoang Van Giam, Phuc Trach commune, Huong Khe district, said: “My family has 200 grapefruit roots 10 years old, in the last 6 years, I completely use Van Dien fertilizer, every year grapefruit has good season to sell. After fertilizing a healthy grapefruit tree, wrong flowering, large fruiting, uniformly large fruit, less drop, reducing pests, yield, high quality, Van Dien fertilizer contains much more nutrients than other types. Fertilizer is currently on the market, in Phuc Trach most people use Van Dien fertilizer.
Ms. Pham Thi Lanh, who has 500 oranges and is 13 years old, commented: “Van Dien fertilizer with good quality, competitive price, convenient supply, easy to use, high efficiency, great profit. More than 7 cases of oranges in the family completely use Van Dien fertilizer, the most difference is the color of the leaves, the shade is visible from a distance, dark green, after heavy rains, the trees are very few to drop fruit, the stools are good and durable. , good quality, high productivity, high quality, easy to consume, especially less using plant protection drugs, safe for users, protecting the environment ”.
In the Buu orange growing area in Son Mai, Son Thuy, Son Truong communes with more than 1,000 hectares, Mr. Ngo Xuan Hoa, Son Mai commune, cultivating 300 orange trees, shared: “The family has tested many fertilizers for orange trees, but Only Van Dien fertilizer is suitable and easy to use fertilizer. Van Dien fertilizer is more than other fertilizers, it is full of 13 types of nutrients to meet the needs of orange trees, so plants are healthy, less pests, high yield and quality ”.
Van Dien fertilizer helps plants to be healthy, less pests, high yield and quality
Bringing Van Dien Fertilizer back to people growing safe vegetables in Ha Tinh.
Recently, the demand for safe vegetables of consumers is very large, small farming methods, heavy using chemical fertilizers and pesticides have been replaced by more scientific farming methods. according to VietGAP standards, cultivating safe vegetables, clean vegetables, organic vegetables. The vegetable growing land in Ha Tinh is mostly on alluvial soils that are poor, humus and acidic, pH
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