HYD AA POTAS K21

HYD AA POTAS K21 is an amino acid biostimulant enriched with potassium for foliar and fertigation use. This grade combines an amino acid base, 32% total amino acids with 13% present as free amino acids, with 21% potassium (K₂O), pairing biostimulant action with a substantial potassium feed. That makes it the grade to choose during fruit fill, sizing, and ripening, when crops carry their heaviest potassium demand and benefit from amino acid support at the same time. HYD AA POTAS K21 integrates into foliar spray programs and fertigation systems on fruiting crops.

Key Benefits

• Drives fruit fill and sizing. The potassium in HYD AA POTAS K21 loads sugars into the phloem and drives their transport from the leaves to developing fruit, supporting fill, sizing, and yield.
• Builds fruit quality. Potassium governs guard-cell turgor and stomatal regulation, sustaining photosynthesis and the water balance that underpin fruit firmness and uniform ripening.
• Eases abiotic stress. Amino acids such as proline act as osmolytes that help the crop hold water and keep functioning under drought, heat, and salinity.
• Improves nutrient uptake. The amino acids in HYD AA POTAS K21 chelate micronutrients and support the plant’s own nitrogen metabolism, easing the uptake and use of applied nutrients.
• Delivers amino acids the crop can use directly. The free amino acid fraction in HYD AA POTAS K21 is available on uptake, sparing the plant the energy of building amino acids itself during the demanding fruiting period.

How It Works

HYD AA POTAS K21 is built on a protein hydrolysate base: amino acids and short peptides the plant absorbs and uses ready-made, sparing the energy it would spend building them from mineral nitrogen. Once taken up, these amino acids feed nitrogen metabolism, act as osmolytes that buffer the crop against stress, and chelate micronutrients to ease their uptake.

The 21% potassium in HYD AA POTAS K21 carries the nutrient load. Potassium drives osmoregulation and guard-cell turgor, governing stomatal opening and the plant’s water balance, and it loads sugars into the phloem for transport from the leaves to developing fruit. This is why potassium demand peaks during fruit fill and ripening, and why HYD AA POTAS K21 pairs that potassium with amino acid support in a single application.

When to Use HYD AA POTAS K21

HYD AA POTAS K21 fits the stages when crops carry their heaviest potassium demand.

• HYD AA POTAS K21 supports crops through fruit set and early fruit development.
• HYD AA POTAS K21 supports fruit fill and sizing, when potassium demand is at its peak.
• HYD AA POTAS K21 supports ripening and the development of fruit quality and colour.

Potassium demand and stress pressure often rise together during fruiting; HYD AA POTAS K21 supplies potassium for fruit development alongside amino acids that help the crop hold function under adverse conditions.