Late-maturing citrus varieties like Chun Jian and Shiranui (Dekopon) have become a “golden industry” for fruit growers, thanks to their off-season harvest timing and high-sugar, low-acid taste, which drive up market value. However, field research by the Citrus Science Institute at Southwest University in Danling, Sichuan, revealed that:

• 70% of orchards had calcium-deficient leaves
• 86% were magnesium-deficient
• Over 65% of surface water samples had excessive nitrate
• Nitrogen fertilizer application was twice the actual need, yet with low utilization

The root cause? Severe nutrient leaching from traditional fertilizers and inadequate micro- and secondary nutrient supplementation, resulting in increasingly “exhausted” soils.

ENTEC® Compound Fertilizer: The Smart Choice for Citrus Growers

ENTEC® addresses these issues with advanced nitrogen control technology. By adding a nitrification inhibitor, it extends nitrogen release, ensuring the trees are consistently supplied with nitrogen during the crucial fruit expansion stage. This prevents nutrient drop-off and reduces nitrogen loss during rainy seasons.

Additionally, ENTEC®’s complete nutrient formula, which includes calcium, magnesium, and zinc, effectively improves and prevents issues such as fruit cracking, leaf yellowing, and mosaic symptoms—common problems in citrus cultivation.

2020 Field Trial: ENTEC® in a Chun Jian Orchard, Danling, Sichuan

1. ENTEC® Trial Fertilization Plan for Chun Jian

Note: Planting density was 60 trees per mu

(Chart details not included here but can be provided upon request)

2. ENTEC®’s Impact on Yield, Quality, and Income

• Yield per tree increased by 16%
• Fruit quality improved significantly
• Net income increased by nearly ¥3,000 per mu

Note: Purchase price was ¥7.5/kg

3. ENTEC® vs Traditional Fertilization: Cost Comparison

Though ENTEC®'s fertilizer cost was slightly higher, it resulted in:

• Higher yield per tree
• Better fruit quality
• Greater returns (+¥3,000/mu)
• Reduced labor costs
• 26.7% reduction in chemical nitrogen use, making it more environmentally friendly and efficient

Farmers’ Feedback:

• “The fruit size is much more uniform this year, and buyers are lining up for it!”
• “We applied fertilizer one less time—saved on labor and actually cut costs!”

ENTEC® isn’t just producing results—it’s winning over farmers on the ground.

ENTEC® Performs Well Across Other Citrus Varieties Too:

Jintang Navel Orange

Pujiang Shiranui (Dekopon)

Visual Results:

Chun Jian with ENTEC®

Traditional Treatment

Jintang Navel Orange with ENTEC® vs Traditional Treatment

Pujiang Shiranui with ENTEC®

vs Traditional Treatment

→ Single fruit weight increased by 8.2%

4. Recommended ENTEC® Fertilization for Citrus in Sichuan

(Target fruit yield: 40–50 kg/tree)

(Specific recommendations not shown here but available on request.)

From the past reality of "more yield but not more income", ENTEC® compound fertilizer now enables “premium quality at premium prices”. This is a clear example of how agricultural technology is driving citrus industry development.

If you’re facing similar challenges in your orchard, why not give ENTEC® a try? You might just be surprised by the results!

← Click the image to learn more about the product.

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