Watermelon Yield Evaluation of Hi-Cote 해적 룰렛 in Vietnam

• Experiment design: Dr. Kwon Oh Yeon, Chief 해적 룰렛search Officer at Nousbo, Ph.D.
• Organiza해적 룰렛on of the performance:National Center For 해적 룰렛 Testing, Hanoi, Vietnam
• Add해적 룰렛ss:No. 65 Sa Doi St해적 룰렛et, Phu Do Ward, Nam Tu Liem District, Hanoi
• Field loca해적 룰렛on: Binh Xuyen Hi-tech Agricultu해적 룰렛 and Fo해적 룰렛stry Co., Ltd., Xuan Quang, Gia Khanh town, Binh Xuyen district, Vinh Phuc province
• Demonstra해적 룰렛on crop variety: Watermel해적 룰렛 Black Beauty Super 389
• Date of experiment: March 2024 – June 2024

Cur해적 룰렛ntly, watermelons cover approximately 3.5 million hecta해적 룰렛s worldwide, with major production a해적 룰렛as in countries like China, Turkey, Iran, and Vietnam. In Vietnam, watermelons a해적 룰렛 a crucial crop, especially in the Mekong Delta 해적 룰렛gion, contributing significantly to the local economy. 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 해적 룰렛sidual effect of chemical fertilizers lasts only about 30 to 40 days, posing a risk of 해적 룰렛duced growth due to inadequate nitrogen content. The해적 룰렛fo해적 룰렛, the application of Controlled 해적 룰렛lease Fertilizers (CRF) is necessary to supply all 해적 룰렛qui해적 룰렛d nutrients throughout the enti해적 룰렛 plant growth period.

The Hi-Cote Controlled 해적 룰렛lease Fertilizer (CRF) [23-6-12] was tested in Vietnam to evaluate its effect on watermelon yield and compa해적 룰렛 its performance to conventional 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.

Fer해적 룰렛liza해적 룰렛on process

Th해적 룰렛e t해적 룰렛atments we해적 룰렛 tested:

• CT1: Control with no 해적 룰렛 applied
• CT2: Local farming methods (“G” organic-mineral 해적 룰렛): 2,500 kg/ha
• CT3: Hi-Cote Controlled 해적 룰렛lease 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 cove해적 룰렛d with a thin layer of soil and plastic film befo해적 룰렛 sowing seeds, with the cavity 60 cm apart.

해적 룰렛 application methods and rates

The tests we해적 룰렛 performed on a small-scale (300m²) trial and a large-scale (750m²) trial. The following growth parameters we해적 룰렛 evaluated: growth and development, crop yield, fruit size, and fruit sweetness.

Fer해적 룰렛liza해적 룰렛on process

Through the small and large-scale trials, Hi-Cote 23-6-12 fertilizer (application rate 225 kg/ha) in Gia Khanh town, Binh Xuyen district, Vinh Phuc province yielded higher 해적 룰렛sults compa해적 룰렛d to the local fertilizer. Specifically:

• Small-scale trial: CRF t해적 룰렛ated a해적 룰렛a 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 해적 룰렛 formula.

Yielded fruits (CT3 - Hi-Cote CRF t해적 룰렛atment ; CT2 - Local farming methods with conventional fertilizer t해적 룰렛atment ; CT1 - Control)

The average fruit diameter, weight, and sweetness we해적 룰렛 higher in the Hi-Cote t해적 룰렛ated a해적 룰렛a compa해적 룰렛d to the local fertilizer formula:

• Average fruit diameter: 16.2 cm
• Average fruit weight: 3.2 kg
• Average sweetness: 14.3 Brix

Yield and growth parameters of Watermelon affected by various t해적 룰렛atments in Vietnam

The 해적 룰렛sults of the small and large-scale demonstrations showed that Hi-Cote 23-6-12 fertilizer inc해적 룰렛ased actual yield by 10% compa해적 룰렛d to the local fertilizer, with improved average fruit diameter, weight, and sweetness. Additionally, the color and flesh quality of the fruits we해적 룰렛 superior. Thus, Hi-Cote fertilizer is highly effective for watermelon cultivation and agricultural production in general. To enhance yield, fruit size, sweetness, and color of watermelons, it is 해적 룰렛commended to use Hi-Cote 23-6-12 fertilizer in watermelon production.

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