[Coated Controlled-Release Fertilizer] After coating, the controlled-release period is more precise.
Release Date:
2018-12-15
Controlled-release fertilizer meets the crop’s nutrient requirements for the entire growing season in a single application.
I. Introduction to Coated Controlled-Release Fertilizers
In recent years, controlled-release fertilizers have experienced rapid growth in China thanks to their “smart” nutrient‑release characteristics. The rate of nutrient release varies with temperature: faster at higher temperatures and slower at lower ones. These fertilizers do not scorch seedlings or damage roots, and can be tailored to different crops and production needs by adjusting the release period, thereby meeting the crop’s nutritional requirements throughout its entire growth cycle. Moreover, they offer significant labor‑ and time‑saving benefits.
II. Nongda Coated Controlled-Release Fertilizer
The high‑tech controlled‑release products developed by Nongda Fertilizer Industry employ fourth‑generation ultra‑thin film coating technology and are manufactured using a distributed control system. This production process represents the most highly automated, single‑unit‑capacity‑leading continuous manufacturing system in China, yielding products with uniform particle size, stable quality, exceptionally thin coatings that are readily biodegradable, and release periods ranging from 1 to 6 months—exceeding national standards in product quality.
In 2012, the Nongda coated‑release technology was awarded the Second Prize for Scientific and Technological Progress of Shandong Province, a Guinness World Record, and the China Technology Market Golden Bridge Award, among others.
In 2016, Nongda Fertilizer Industry spearheaded the development of industry standards for “Polymer-Coated Urea” and “Polymer-Sulfur-Coated Urea.”
Nongda Fertilizer Industry’s controlled-release fertilizer products, manufactured using coated‑release technology, fall into seven major categories: polymer‑coated urea, polymer‑sulfur‑coated urea, biologically converted‑membrane‑coated urea, polymer‑coated potassium fertilizer, polymer‑coated calcium fertilizer, humic‑acid‑based controlled-release fertilizer, and humic‑acid‑based controlled-release nitrogen‑potassium fertilizer.
III. Verification of the Performance of Controlled-Release Fertilizer from Agricultural University
Users can verify the performance of Nongda controlled-release fertilizer—assessing its strength, toughness, permeability, elasticity, and integrity—through boiling, bouncing, flame‑resistance, and anti‑floatation tests.
IV. Video Introduction to Nongda Controlled-Release Fertilizer
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