1、Urea application in soil: processes, losses, and
Urea is the most used fertilizer because of its significance on world food security but it is also the toughest fertilizer to manage. It is readily available to the plant and it is vulnerable to loss in various ways, causing environmental pollution and huge economic losses.
2、Review: Modified Urea Fertilizers and Their Effects on Improving
This delay functions to diminish nitrogen losses, which are caused by the rapid hydrolysis of urea, and loss by leaching or volatilization. Therefore, this review aims to comprehensively explore the use of conventional urea and various materials employed for modifying urea.
3、The split injection of water
One-time urea deep placement (UDP) has been recognized for its potential to reduce nitrogen (N) loss and improve rice yield.
Effects of urea solution concentration on soil hydraulic properties and
Elucidating the effect of fertigation on soil hydraulic parameters and water-solute transportation is fundamental to the design of farmland irrigation systems and their sustainable utilization.
Effect of urea fertilizer concentration on water and nitrogen transport
Abstract The objective of this study was to elucidate the effects of urea concentration on soil water distribution and nitrogen transport and transformation. Soil box tests were carried out in the ...
Frontiers
Our results showed that the application of UAN was beneficial to improve the dry matter accumulation and the distribution of summer maize. Compared with urea treatment, the total nitrogen accumulation of UAN treatment was increased by 15.8%, and the harvest index was increased by 5.5%.
Review: Modified Urea Fertilizers and Their Effects on Improving
Numerous researchers have reported that the use of slow or controlled fertilizers can regulate the release and accumulation of nitrogen in the soil. Moreover, the augmentation of soil nitrogen...
Fertilizer urea
Urea’s high analysis – 46 percent N – helps reduce handling, storage and transportation costs over other dry N forms. Urea manufacturing releases few pollutants to the environment. When properly applied, it results in crop yield increases equal to other forms of nitrogen.
Urea Fertilizer Advantages and Disadvantages:Comprehensive Analysis
Among the various nitrogen fertilizers available, urea fertilizer stands out as one of the most widely used and effective solutions in modern agriculture. But what makes urea so beneficial, and how does it contribute to agricultural productivity?
Urea Fertilizer
Urea fertilizer is defined as an organic compound, specifically CO (NH2)2, that is manufactured from ammonia and is the most commonly used dry fertilizer, often incorporated into mixed fertilizers and liquid formulations like urea-ammonium nitrate.
Urea water-soluble fertilizer is a highly efficient nutrient source that primarily provides essential elements for plant growth. It contains macronutrients such as nitrogen (N), phosphorus (P), and potassium (K), along with trace elements like iron, zinc, and copper. These nutrients are critical for plant development, aiding in nutrient absorption, photosynthesis, disease resistance, and improvements in yield and quality.
1. Providing Essential Nutrients
Urea water-soluble fertilizer is rich in nitrogen, phosphorus, and potassium, which are indispensable for plant growth. Nitrogen promotes protein synthesis and stress resistance; phosphorus stimulates root development and enhances water/nutrient uptake; potassium improves pest/disease resistance and fruit quality. Thus, it plays a vital role in plant growth and development.
2. Enhancing Photosynthesis
Nitrogen in the fertilizer boosts photosynthesis by facilitating chlorophyll production and improving light energy conversion. Additionally, its ability to strengthen root systems enhances water and nutrient absorption, further optimizing photosynthetic efficiency.
3. Improving Stress Resistance
Phosphorus strengthens plants’ adaptability to environmental stresses by promoting robust root growth and nutrient/water uptake. The fertilizer also delays leaf senescence, reducing susceptibility to pests and diseases.
4. Boosting Fruit Quality
Potassium increases sugar content, flavor, and texture in fruits by supporting cell division and elongation. Improved root systems from the fertilizer also enhance nutrient uptake, further elevating fruit quality.
5. Increasing Yields
The synergistic effect of N, P, and K accelerates plant growth. Nitrogen expands leaf area for greater photosynthesis; phosphorus strengthens roots for efficient resource uptake; potassium reduces disease risks and enhances fruit formation. Combined, these elements significantly raise crop yields.
6. Reducing Environmental Pollution
Unlike traditional chemical fertilizers, urea water-soluble fertilizer minimizes soil and groundwater contamination. Its nutrients are absorbed by plants or decomposed by microbes into usable forms. Additionally, it improves soil structure, water retention, and aeration, further mitigating pollution.
7. Conserving Resources
As a high-efficiency fertilizer, it reduces the need for excessive chemical applications. Its comprehensive nutrient profile meets plants’ diverse needs, preventing waste. Improved soil health from its use also decreases long-term resource depletion.
Urea water-soluble fertilizer is an eco-friendly, high-performance solution that supports plant growth through nutrient provision, photosynthesis enhancement, stress resistance, and yield/quality improvements. By reducing pollution and conserving resources, it offers a sustainable approach to agriculture. Promoting its use ensures healthier plant development and environmental protection.

