Reference · Nutrition and composition

Amino acids

Amino acids are organic compounds that serve as the fundamental building blocks of proteins within plant cells. By supplying these essential molecules directly, plants can bypass the energy-intensive process of synthesizing amino acids from nitrogen and carbohydrates, thereby saving metabolic energy.

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Amino acids

When applied, amino acids are quickly absorbed through the leaves or roots and integrated into the plant's metabolic pathways. This leads to accelerated cell division and expansion, resulting in enhanced vegetative growth even under less-than-ideal environmental conditions.

These compounds function as natural chelating agents, significantly improving the uptake and transport of micronutrients. They help minerals cross the leaf cuticle and move efficiently through the plant's vascular system, ensuring better nutrient utilization.

Amino acids play a vital role in osmoregulation, helping plants maintain turgor pressure during drought stress. By stabilizing cellular membranes and protein structures, they protect the plant from damage caused by extreme temperatures or chemical exposure.

The accumulation of specific amino acids helps build the plant's internal defense system. Regular application boosts physiological processes, leading to stronger immune responses against pathogens and improved general plant health throughout the season.

Amino acids are highly effective at mitigating abiotic stress, including cold snaps, heatwaves, and soil salinity. They are crucial for rescuing crops that have been damaged by adverse weather conditions, such as frost or hail.

They act as a recovery aid after phytotoxicity caused by herbicide applications or chemical treatments. Using them helps crops overcome growth inhibition and return to normal development cycles faster.

Agricultural use of these products enhances final crop quality, including higher sugar levels in fruits, better color, and improved shelf life. This makes them essential for high-value horticultural and specialty crops.

They are used to improve pollination and fruit set, preventing flower drop during periods of stress. This ensures more stable yields even when environmental conditions during the flowering phase are suboptimal.

By promoting better nutrient assimilation, amino acids allow farmers to maximize the return on fertilizer investments, leading to more efficient crop production systems.

Foliar application is most effective during critical growth stages: seedling establishment, pre-flowering, and fruit formation. Application rates typically range from 0.5 to 2.0 liters per hectare, depending on the crop and the product's concentration.

During severe stress, higher dosages should be used, with repeat applications at 7 to 10-day intervals until full recovery is observed. Precise timing is essential for maximizing the biological effectiveness of the treatment.

In fertigation systems, amino acids are delivered directly to the root zone, promoting consistent root development and nutrient uptake. For greenhouse crops, frequent low-dose applications are often the most effective method for maintaining steady productivity.

Applications should be performed during cool periods of the day, such as early morning or late evening, to ensure maximum absorption and prevent evaporation. Avoid spraying during midday heat to prevent leaf scorching.

  • Initial growth stages to support root development.
  • Pre-flowering phase to ensure high yield potential.
  • Post-stress recovery (post-frost, post-herbicide).

The effectiveness of an amino acid product depends entirely on the presence of L-isomers, which are the biologically active form. D-isomers are generally not recognized or utilized by plants, so products lacking sufficient L-amino acid content are ineffective.

Over-application can lead to an imbalance between vegetative and reproductive growth, potentially delaying fruit maturation or reducing quality. Adherence to recommended rates is critical for long-term crop performance.

Amino acids should never replace a balanced mineral fertilization program. They act as enhancers or biostimulants that improve the efficiency of other nutrients, but they cannot compensate for primary nutrient deficiencies in the soil.

Storage is sensitive, as these products are organic and prone to bacterial degradation if contaminated. Products must be stored in a cool, dark place and used promptly once the seal is broken to ensure the integrity of the active ingredients.

Tank mixing requires caution. Some amino acid formulations are incompatible with copper-based or high-sulfur fungicides. Always check for physical compatibility and potential pH-related reactions before mixing with other pesticides.