1、Phosphorus availability from phosphate rock and sewage sludge as influenced by the addition of water soluble phosphate fertilizer

Application of a water-soluble P fertilizer together with a non-readily available P source shows an enhancement on the P uptake from the non-readily available P source by the wheat plants.

2、Production of a water

In order to increase the amount of water-soluble protein or free amino acids, the soybean meal must be hydrolyzed (Bell et al., 1998). Many methods have been used to modify soybean meal protein, such as enzymatic hydrolysis, physical solution, chemical solution and fermentation (Jane et al., 2008).

3、Evaluation of the effects of irrigation and fertilization on tomato fruit yield and quality: a principal component analysis

We carried out an experiment in a solar greenhouse spanning three consecutive growing seasons to evaluate the effects of irrigation and fertilization on the fruit yield and quality, water use...

4、Water

A water-soluble compound, high-phosphorus and high-calcium technology, applied in calcareous fertilizers, fertilization methods, urea compound fertilizers, etc. Nutrient utilization and other issues, to achieve physical and chemical shape stability, avoid insoluble precipitation, and improve utilization.

Water soluble phosphate fertilizers for crops grown in calcareous soils – an outdated paradigm for recycled phosphorus fertilizers?

We applied 33 P isotopic dilution method to evaluate recycled P fertilizers based on plant P uptake from fertilizer relative to plant uptake from a water soluble P reference fertilizer.

Starch derivative

Sufficient water supply is a key condition for plant growth, however, it is not enough to sustain the plant growth only by offering water because the fertilizer can promote the plant growth, resulting in the good utilization of water by plant.

Localized Application of Fertilizers in Vegetable Crop Production

Localized applications of fertilizers are alternatives to broadcast applications across the entire field surface for economic, environmental and technological reasons. These alternative methods are the modified broadcast method, the banding application method, and...

Strategies for reducing the fertilizer application rate in the ridge and furrow rainfall harvesting system in semiarid regions

We conducted field studies (Loess Plateau, China) comparing RFRH planting (R) and traditional flat planting (T) at four different fertilizer rates to determine suitable fertilizer application...

Fertilizers And The Efficient Use Of Water

Increasing demands for water by industry, a growing population, and increasing food and fiber needs will require agriculture to become more efficient in its use of water.

Response of Golden Acre Cabbage to Foliar Application of Water Soluble Fertilizers on Plant Growth and Seed Yield

Application of four water-soluble fertilizers (WSF) as foliar spray, namely Multi-K (N-13, K-45), NP2O5K2O (19-19-19), NP2O5K2O (19-09-19), NP2O5K2O (17-10-27) and NP2O5K2O (15-15-30) along with control (water) were tested in a Randomized Block Design with four replications.

Water-soluble fertilizers refer to nutrients that can dissolve in water and be transported via irrigation. They typically contain high levels of essential elements like nitrogen (N), phosphorus (P), and potassium (K), as well as micronutrients and organic matter. Proper use of water-soluble fertilizers is critical for improving crop yield and quality. Below are key methods and techniques for their application:

1. Preparation Before Fertilization

• Soil Testing: Conduct soil tests prior to application to determine nutrient levels and deficiencies. This helps identify which nutrients need supplementation and in what quantities.
• Irrigation System Check: Ensure the irrigation system operates efficiently to deliver fertilizers evenly to crop roots.

2. Fertilization Methods

• Drip Fertigation: Deliver fertilizers directly to crop roots using a drip irrigation system. This maximizes nutrient uptake and reduces waste.
• Sprinkler Fertigation: Dilute fertilizers and apply via sprinkler systems, ideal for water-sensitive crops like fruits and vegetables.
• Foliar Spraying: Apply diluted fertilizers to crop leaves for direct nutrient absorption, enhancing photosynthetic efficiency.

3. Timing of Application

• Topdressing: Apply additional fertilizers during the growing season based on crop needs and soil conditions.
• Base Fertilization: Apply before planting or transplanting to replenish soil nutrients.

4. Dosage Control

• Soil Test-Guided Application: Adjust dosage according to soil test results and crop requirements. Over-fertilization can lead to nutrient excess, while under-fertilization causes deficiencies.
• Crop-Specific Adjustments: Vary dosages for different crops and soil types. For example, legumes require more nitrogen, while grasses need higher phosphorus and potassium.

5. Application Techniques

• Uniform Distribution: Ensure even spread of fertilizers to prevent localized overdosing or shortages.
• Deep Placement: Apply fertilizers in deeper soil layers to improve efficiency and reduce root diseases.
• Surface Application: Use for shallow-rooted crops (e.g., certain vegetables) by applying fertilizers near the surface.

6. Monitoring Fertilization Effects

• Crop Health Observation: Regularly assess growth rate, leaf color, and stem strength to evaluate effectiveness.
• Soil Retesting: Periodically test soil nutrients to validate dosage accuracy and timing.

7. Key Considerations

• Avoid Over-Fertilization: Excessive use can cause soil salinization and structural damage.
• Prevent Incompatible Mixing: Acidic components in fertilizers may neutralize alkaline ones, reducing efficacy.
• Regulatory Compliance: Adhere to regional regulations regarding fertilizer use.

Proper use of water-soluble fertilizers is vital for optimizing crop performance. By tailoring application methods, timing, and dosages to crop needs, soil conditions, and environmental factors, farmers can achieve maximum yields and quality while minimizing risks.