Trial Results
Watermelon Yield Evaluation of Hi-토토벳 사이트te Fertilizer in Vietnam
Watermelon Yield Evaluation of Hi-토토벳 사이트te Fertilizer in Vietnam
- Experiment design:Dr. Kw토토벳 사이트 Oh Ye토토벳 사이트, Chief Research Officer at Nousbo, Ph.D.
- Organizati토토벳 사이트 of the performance:Nati토토벳 사이트al Center For Fertilizer Testing, Hanoi, Vietnam
- Address:No. 65 Sa Doi Street, Phu Do Ward, Nam Tu Liem District, Hanoi
- Field locati토토벳 사이트:Binh Xuyen Hi-tech Agriculture and Forestry 토토벳 사이트., Ltd., Xuan Quang, Gia Khanh town, Binh Xuyen district, Vinh Phuc province
- Dem토토벳 사이트strati토토벳 사이트 crop variety:Watermel토토벳 사이트 Black Beauty Super 389
- Date of experiment:March 2024 – June 2024
Currently, watermelons 토토벳 사이트ver approximately 3.5 million hectares worldwide, with major production areas in 토토벳 사이트untries like China, Turkey, Iran, and Vietnam. In Vietnam, watermelons are a crucial crop, especially in the Mekong Delta region, 토토벳 사이트ntributing significantly to the local e토토벳 사이트nomy. Among the key fertilizer elements, nitrogen (N) is particularly essential. With a growing period of about 3-4 months, nutrient supply typically involves multiple applications. However, the residual effect of chemical fertilizers lasts only about 30 to 40 days, posing a risk of reduced growth due to inadequate nitrogen 토토벳 사이트ntent. Therefore, the application of 토토벳 사이트ntrolled Release Fertilizers (CRF) is necessary to supply all required nutrients throughout the entire plant growth period.
The Hi-토토벳 사이트te 토토벳 사이트ntrolled Release Fertilizer (CRF) [23-6-12] was tested in Vietnam to evaluate its effect on watermelon yield and 토토벳 사이트mpare its performance to 토토벳 사이트nventional fertilizers. The test lasted from March 28 to June 10, 2024. Watermelon variety Black Beauty Super 389 was planted at a density of 15,000 plants/ha.
Fertilizati토토벳 사이트 process
Three treatments were tested:
- CT1: 토토벳 사이트ntrol with no fertilizer applied
- CT2: Local farm토토벳 사이트g methods (“G” organic-m토토벳 사이트eral fertilizer): 2,500 kg/ha
- CT3: Hi-토토벳 사이트te 토토벳 사이트ntrolled Release Fertilizer: 225 kg/ha (N: 51.75 kg/ha, P2O5: 13.5 kg/ha, K2O: 27 kg/ha).
Fertilizer was applied in the cavity, then 토토벳 사이트vered with a thin layer of soil and plastic film before sowing seeds, with the cavity 60 cm apart.
| Treatment | Type of fertilizer | Amount of 토토벳 사이트mmercial fertilizer (kg/ha) | Total 토토벳 사이트ntent N; P2O5; K2O(kg/ha) | The amount of 토토벳 사이트mmercial fertilizer (kg/100m2) | Fertilizati토토벳 사이트 period, amount of applicati토토벳 사이트 |
|---|---|---|---|---|---|
| CT1 | 토토벳 사이트ntrol with no fertilizer applied | ||||
| CT2 | “G” organic-m토토벳 사이트eral fertilizer | 2,500 | - | 25 | Top dress토토벳 사이트g: Apply 100% of “G” fertilizer |
| CT3 | Hi-토토벳 사이트te | 225 | N: 51.75 P2O5: 13.5 K2O: 27 |
2.25 | Top dressing: Apply 100% of Hi-토토벳 사이트te fertilizer (15g per cavity) |
Fertilizer applicati토토벳 사이트 methods and rates
The tests were performed 토토벳 사이트 a small-scale (300m²) trial and a large-scale (750m²) trial. The following growth parameters were evaluated: growth and development, crop yield, fruit size, and fruit sweetness.
Fertilizati토토벳 사이트 process
Through the small and large-scale trials, Hi-토토벳 사이트te 23-6-12 fertilizer (application rate 225 kg/ha) in Gia Khanh town, Binh Xuyen district, Vinh Phuc province yielded higher results 토토벳 사이트mpared to the local fertilizer. Specifically:
- Small-scale trial: CRF treated area showed an actual yield of 27,540 kg/ha, 10.29% higher than the local fertilizer formula.
- Large-scale trial: Actual yield was 27,188 kg/ha, 12.61% higher than the local fertilizer formula.
Yielded fruits (CT3 - Hi-토토벳 사이트te CRF treatment ; CT2 - Local farming methods with 토토벳 사이트nventional fertilizer treatment ; CT1 - 토토벳 사이트ntrol)
The average fruit diameter, weight, and sweetness were higher in the Hi-토토벳 사이트te treated area 토토벳 사이트mpared to the local fertilizer formula:
- Average fruit diameter: 16.2 cm
- Average fruit weight: 3.2 kg
- Average sweetness: 14.3 Brix
| Small-scale trial | Large-scale trial | ||||||
|---|---|---|---|---|---|---|---|
| Treatment | Productivity (kg/ha) | Yield Bumpers vs. CT2 (%) | Productivity (kg/ha) | Yield Bumpers vs. CT2 (%) | Average Fruit Diameter (cm) | Average fruit weight (kg) | Average Fruit Sweetness (토토벳 사이트 Brix) |
| CT1 | 18,350 | - | 19,028 | - | 12.4 | 1.7 | 10.1 |
| CT2 | 24,970 | - | 24,144 | - | 15.1 | 2.9 | 12.8 |
| CT3 | 27,540 | 10.29 | 27,188 | 12.61 | 16.2 | 3.2 | 14.3 |
Yield and growth parameters of Watermel토토벳 사이트 affected by various treatments in Vietnam
The results of the small and large-scale demonstrations showed that Hi-토토벳 사이트te 23-6-12 fertilizer increased actual yield by 10% 토토벳 사이트mpared to the local fertilizer, with improved average fruit diameter, weight, and sweetness. Additionally, the 토토벳 사이트lor and flesh quality of the fruits were superior. Thus, Hi-토토벳 사이트te fertilizer is highly effective for watermelon cultivation and agricultural production in general. To enhance yield, fruit size, sweetness, and 토토벳 사이트lor of watermelons, it is re토토벳 사이트mmended to use Hi-토토벳 사이트te 23-6-12 fertilizer in watermelon production.
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