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As wheat enters the stem elongation stage in February, plants begin increasing stem height in preparation for spike formation. During this critical phase, the risk of lodging increases if the crop is not supported with balanced nutrition.
Lodging does not occur suddenly; it is usually the result of a nutritional imbalance that began weeks earlier.
Many believe that wind is the primary cause. However, the main factor is stem weakness resulting from:
Excess nitrogen without proper balance
Potassium deficiency
Lack of micronutrients that support tissue formation, especially copper
Weak cell wall development
This is where the true importance of micronutrients becomes clear.
Micronutrients are not only important for flowering and fruit set; they play a direct role in structural strength:
Zinc and manganese are involved in enzyme systems that regulate balanced plant growth.
Adequate micronutrient availability enhances nitrogen utilization, preventing excessive soft vegetative growth.
Copper and boron play a crucial role in forming strong cell walls and supporting lignin synthesis.
Using a balanced chelated micronutrient formulation containing:
Iron
Zinc
Manganese
Copper
Boron
Molybdenum
supports wheat during the stem elongation phase by preventing unbalanced growth and promoting:
Stronger, more rigid stems
Balanced vegetative and vertical growth
Reduced lodging risk
Improved spike formation
Chelated formulations are rapidly absorbed and remain stable in alkaline soils, which are common in Egypt.
The best timing to support wheat with micronutrients is:
At the end of tillering
At the beginning of stem elongation
This period is critical for determining stem strength and final spike number.
Preventing wheat lodging is not only about reducing nitrogen application; it is about building a nutritionally balanced plant from the start.
Chelated micronutrients represent a key safety factor in ensuring stronger stems and higher yields.
