How We can Recover Wheat Yellowing | Cyber Agri Extension | Live Results

Описание: Foliar spraying of magnesium sulfate, boric acid, potassium nitrate (KNO3), urea, and nitro phosphate at the boot leaf stage and heading stage of wheat can effectively address leaf yellowing and promote increased production. Here's how each nutrient contributes to these objectives:

Magnesium Sulfate (Epsom Salt):

Magnesium is a critical component of chlorophyll, essential for photosynthesis.
Foliar application of magnesium sulfate helps alleviate leaf yellowing (chlorosis) by correcting magnesium deficiency, thus improving photosynthetic efficiency.
Magnesium also plays a vital role in enzyme activation and carbohydrate metabolism, contributing to overall plant health and productivity.
Boric Acid:

Boron is essential for carbohydrate metabolism, cell wall formation, and pollen tube growth in wheat plants.
Foliar spraying of boric acid helps prevent leaf yellowing and distortion caused by boron deficiency, supporting healthy leaf development and function.
Boron also enhances flower fertility and grain set, promoting increased production during the heading stage.
Potassium Nitrate (KNO3):

Potassium is involved in the regulation of stomatal opening, water use efficiency, and enzyme activation.
Foliar application of potassium nitrate helps alleviate leaf yellowing and promotes stress tolerance, especially during the boot leaf stage when plants are transitioning to the reproductive phase.
Potassium enhances grain filling, improves yield potential, and contributes to overall plant vigor and disease resistance.
Urea:

Urea is a rapid source of nitrogen, essential for protein synthesis, enzyme activity, and chlorophyll production.
Foliar spraying of urea at the boot leaf stage stimulates vegetative growth and tillering, helping to increase canopy density and light interception, which can reduce leaf yellowing.
Urea application during heading supports grain development, filling, and quality, leading to increased production.
Nitro Phosphate:

Nitrogen and phosphorus are vital nutrients for wheat growth, root development, and energy transfer.
Foliar spraying of nitro phosphate supplies readily available nitrogen and phosphorus, supporting plant growth and function during critical growth stages.
Nitrogen promotes leaf expansion and greenness, while phosphorus enhances root growth and nutrient uptake, both contributing to increased production and reduced leaf yellowing.
When applying these nutrients via foliar spray, it's crucial to follow recommended application rates, timing, and environmental conditions to ensure optimal absorption and minimize the risk of phytotoxicity. Additionally, integrating foliar nutrition with balanced soil fertility management can further enhance wheat yield and quality while addressing nutrient deficiencies and leaf yellowing effectively.

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