1、Controlled release fertilizer: A review on developments, applications

As a solution, controlled release fertilizers (CRFs) are discovered where nutrients can be released in a timely and gradually manner, which attempt to coincide and match with the specific nutrient demand during plant growth.

2、Deep placement of controlled

Application of controlled-release urea (CRU) improves crop yield and nitrogen use efficiency (NUE) compared with conventional urea. However, the effectiveness of CRU differs with...

3、Controlled Release Fertilizers: A Review on Coating Materials and

With existing challenges on low nutrient use efficiency (NUE) of urea and its environmental concerns, controlled release fertilizers (CRFs) have become a potential solution by formulating them to synchronize nutrient release according to the requirement of plants.

Advances in Controlled Release Fertilizers: Cost

In this review, we present the most recent research on the development of CRF in an effort to highlight the most promising approaches and materials that may be exploited to coat fertilizers and achieve controlled release.

IARRP team clarifies the effecting mechanism of controlled

This study found that the application of controlled-release urea (PCU) led to several positive effects on maize yield, nitrogen (N) absorption, and N balance based on a 3-year field experiments.

Controlled

Reduce nutrient losses and greenhouse gas emissions: Scientific research has shown that CRFs can reduce nitrate leaching in cropland by about 20-40%, ammonia volatilization by 40-70%, nitrous oxide emissions by 10-40% (Lam et al, 20221).

Controlled

Several new technologies like plasmas, flow chemistry, Fe-based metal−organic framework (MOF), controlled release fertiliser extraction using wastewater management techniques, nanotechnologies, and microfluidic sensing have been developed.

Fertilizer Management in Dryland Cultivation for Stable Crop Yields

Use of nitrification inhibitors, controlled- and slow-release nitrogenous fertilizers, enhances the nutrient use efficiency in dryland situations. Even both biofertilizers and biochar may be considered as the best alternatives to traditional chemical fertilizers so far.

Controlled release fertilizer: A review on developments

Controlled release fertilizer (CRF) plays a crucial yet necessary part in the sustainable agriculture industry. An alarming rise in call for crop production directly influences the increasing need for synthetically derived fertilizers and pesticides production.

A review on application of controlled released fertilizers influencing

In this review, we have explored the recent advancements of slow and/or controlled released fertilizers and their impacts on crop production in terms of the growth, development, and yield of agricultural crop plants.

In agricultural production, the rational application of fertilizers is one of the critical measures to enhance crop yield and quality. As a vital food crop, the fertilization effect of dryland corn directly impacts its growth and productivity. Selecting appropriate controlled-release fertilizers (CRFs) is essential for dryland corn cultivation. Below is a detailed analysis of the effectiveness of CRFs in dryland corn:

1. Definition and Characteristics of Controlled-Release Fertilizers

• Definition: CRFs are fertilizers manufactured through specialized processes that slowly release nutrients over time, meeting crops' nutritional demands at different growth stages. These fertilizers typically have extended有效期 (effective periods), reducing the frequency of applications, saving labor costs, and minimizing environmental pollution.
• Characteristics: The key feature of CRFs is their controllable nutrient release rate, which allows precise nutrient rationing based on crop needs, avoiding over- or under-fertilization. Additionally, CRFs exhibit strong stability and weather resistance, maintaining performance under harsh conditions.

2. Advantages of CRFs in Dryland Corn Cultivation

• Reduced Fertilization Frequency: Due to their slow nutrient release, CRFs significantly decrease application frequency, enabling farmers to optimize timing and avoid waste or soil salinization caused by improper fertilization.
• Improved Fertilizer Efficiency: CRFs provide nutrients during critical growth stages, enhancing utilization rates and reducing risks of chemical runoff and groundwater contamination.
• Enhanced Soil Structure: CRF use improves soil physical and chemical properties, boosting water- and nutrient-retention capacity, and creating a better growth environment for dryland corn.
• Increased Crop Yield: Proper CRF application notably boosts dryland corn yields, raising farmers' economic income.

3. Selecting Suitable CRF Types

• Based on Crop Needs: Choose CRFs tailored to dryland corn’s specific requirements, such as high nitrogen (N), phosphorus (P), or potassium (K) formulations.
• Soil Conditions: Factors like soil pH, organic matter content, and texture influence CRF effectiveness, so select products suited to local soil types.
• Brand and Quality: Opt for reputable brands with proven quality to ensure reliable performance.

4. Proper CRF Application Methods

• Uniform Distribution: Spread CRFs evenly around dryland corn roots to prevent局部 excess or deficiencies.
• Optimal Dosage: Adjust CRF amounts based on growth stages and soil nutrient status to avoid overuse and soil stress.
• Regular Monitoring: Periodically assess soil nutrients and crop growth to refine application strategies.

5. Precautions for CRF Use in Dryland Corn

• Timing and Methods: Align fertilization schedules with growth cycles and weather conditions, using appropriate tools and techniques.
• Avoid Mixing with Pesticides: Prevent chemical reactions that could compromise fertilizer efficacy.
• Environmental Protection: Minimize过度施肥 (excessive application) to mitigate soil acidification, salinization, and ecological harm.

Using CRFs in dryland corn cultivation is an effective strategy to reduce labor, enhance efficiency, improve soil health, and boost yields. success depends on selecting the right CRF type, applying it scientifically, and adhering to best practices. Through optimized fertilization, dryland corn production can achieve sustainable productivity gains.