1、Foliar spraying of potassium sulfate during fruit development

In this study, three different potassium fertilizers and one water (F1: 0.65% KNO 3, F2: 0.88% KH 2 PO 4, F3: 0.56% K 2 SO 4, and F4: water) were sprayed on Citrus reticulata cv. Nanfeng at cell division, cell expansion, fruit ripening, and throughout fruit developmental stages, respectively.

2、When to Apply Sulphate of Potash to Fruit Trees for Maximum Growth and

Discover how to enhance your trees' growth, fruit quality, and drought resistance through effective application methods. Learn about soil types, weather impacts, and best practices to ensure your fruit trees flourish and yield bountiful harvests year after year.

3、How to Use Potassium Sulfate Fertilizer? Boost Your Crop Growth

In this comprehensive guide, we’ll delve into the world of potassium sulfate fertilizer, exploring its benefits, uses, and best practices for application. What is Potassium Sulfate Fertilizer? Potassium sulfate fertilizer is a type of inorganic fertilizer that contains potassium and sulfate ions.

Foliar Potassium Application on Pistachio Tree

Several fertilizer methods and rates of application were applied in 2003 to Mateur pistachio variety. Both potassium nitrate and potassium sulfate were used. The foliar fertilizer rates were 50 and 100% of the tree requirement and for soil spreading the rates were 100% and 200% of the tree needs.

Sulphate of Potash When to Apply to Fruit Trees, What It Is Used For

Ideally, sulphate of potash should be applied during the growing season when fruit trees are actively developing. This period typically spans from early spring to late summer, depending on the type of fruit tree and the climatic conditions.

Using Sulphate of Potash for Fruit Trees and Shrubs in Spring

Enhance your spring garden with Sulphate of Potash, boosting fruit tree growth, improving fruit quality, and ensuring lush greenery.

Best Practices for Applying Potassium Sulfate Fertilizer

By choosing the right method (basal, top-dress, or foliar), timing applications to growth stages, and adjusting for soil conditions, you can maximize the benefits of potassium sulfate fertilizer.

Potash for Fruit Trees

Potash can be applied to fruit trees through soil application or foliar application. Soil application involves incorporating potash into the soil near the tree’s roots, while foliar application involves spraying a diluted potash solution directly onto the leaves.

Potassium Sulphate

When preparing a stock solution of Potassium Sulphate, do not mix with fertilisers containing calcium. are a guide only. They are subject to soil and climatic conditions, influence of previous crops and other factors. For exact application rates and dosages contact your Baileys Area Manager for a soil, plant and Distributed by Baileys Fertiliser

Foliar spraying of potassium sulfate during fruit development

In this study, three different potassium fertilizers and one water (F1: 0.65% KNO 3, F2: 0.88% KH 2 PO 4, F3: 0.56% K 2 SO 4, and F4: water) were sprayed on Citrus reticulata cv. Nanfeng at cell division, cell expansion, fruit ripening, and throughout fruit developmental stages, respectively.

Potassium sulfate fertilizer (sulphate of potash, abbreviated as SPK) is a vital chemical fertilizer containing both potassium and sulfur. Potassium promotes plant growth and development while enhancing disease resistance; sulfur improves soil texture, water retention, and aeration, benefiting crop growth. the rational use of potassium sulfate fertilizer is crucial for fruit tree health. Below is a detailed guide to its application:

1. Preparation Before Fertilization

Before planting fruit trees, adequate soil preparation is essential, including tilling, leveling, and fertilization.

• Soil Tilling: Plow the soil to a depth of at least 20 cm to break up compacted layers, improving aeration and water penetration.
• Leveling: Re-level the tilled soil to ensure even distribution during fertilization.
• Fertilization: Determine fertilizer amounts and timing based on tree species and growth stages. Generally, apply organic fertilizers every 2–3 months during the growing season, supplemented with appropriate amounts of potassium sulfate.

2. Fertilization Methods

Potassium sulfate can be applied through the following methods:

a. Furrow Application

Dig furrows between tree rows, evenly spread the fertilizer into the furrows, and cover with soil. Suitable for large orchards.

b. Hole Application

Dig holes around the root zone, place the fertilizer inside, and cover with soil. Ideal for small-to-medium orchards.

c. Foliar Spraying

Dilute the fertilizer and spray it onto leaves using a mist blower. Best for young trees or rapid nutrient supplementation.

3. Precautions

When using potassium sulfate fertilizer, note the following:

• Avoid Overapplication: Excessive use may burn roots and hinder growth.
• Timing and Method: Adjust application time and method based on tree species and growth stages.
• Soil pH Consideration: SPK absorbs better in acidic soils but may bind to alkaline soils, reducing effectiveness. Test soil pH before application.
• Avoid Mixing with Chemical Fertilizers: Combining SPK with certain chemicals may cause reactions that reduce efficacy or produce toxins. Use separately.

4. Post-Fertilization Management

After application, implement these management practices:

• Irrigation: Water promptly to aid nutrient absorption.
• Pruning: Trim trees as needed to improve air circulation and light penetration.
• Pest/Disease Control: Monitor for pests or diseases and address issues promptly.

the rational use of potassium sulfate fertilizer is vital for fruit tree health. Proper soil preparation, suitable application methods, and diligent post-fertilization management ensure optimal results.