Best Foliar Biostimulants and Regenerative Sprays for Your Crops

Biostimulants can help build up the good bugs living around plant roots, making it easier for crops to work together—especially when you’re growing two types of crops together, like cereals and legumes. By giving legumes (like beans or clover) a boost, biostimulants help them fix more nitrogen in the soil, which also feeds the cereal crops growing nearby. Plus, biostimulants help plants grow better and handle tough conditions like heat or dry spells, so your crops are more likely to stay healthy and yields stay steady.

Microbial Biostimulants

Microbial Biostimulants:
Products based on Bacillus and Pseudomonas strains are especially effective. These beneficial microbes can colonize leaf surfaces, help suppress foliar diseases, and trigger the plant’s own immune system. Some products include mixed microbial blends designed to “seed” the leaf surface and provide broad disease protection.

Best fit crops:
All broadacre (cotton, sugarcane, cereals), vegetables, tree crops (macadamia, avocado), vineyards, pasture.

Soils:
Tired or “sick” soils, fields with disease problems, paddocks that have had lots of chemicals or monoculture, light/sandy soils that lose fertility fast.

Situations:
Where soil diseases like root rot, wilt, or damping-off are a problem; after flood or waterlogging; when aiming to reduce chemical inputs or rebuild soil life.

Seaweed and Kelp Extracts

Seaweed and Kelp Extracts:
Seaweed-based foliar sprays are used widely in all crop types. They are rich in natural plant hormones, help boost crop growth, and improve recovery from stress. Apply during early growth, at flowering, or after weather or chemical damage for best results.

Best fit crops:
All crops—broadacre, cane, veggies, orchards, vineyards.

Soils:
All soil types.

Situations:
Best after crop stress (hail, heat, cold, spray damage), at planting, before flowering, or anytime a boost is needed. Great for crops recovering from weather damage or for “kicking along” slow patches.

Fulvic and Humic Acid Sprays

Fulvic and Humic Acid Sprays:
Fulvic acid is often sprayed on the foliage to enhance nutrient uptake, improve metabolism, and help plants recover from stress. Humic acid can also be helpful, but fulvic is generally preferred for foliar use.

Best fit crops:
All crops.

Soils:
Soils low in organic matter, compacted soils, or fields where fertilizer isn’t working as well as it should.

Situations:
For improving fertilizer efficiency, boosting young crop growth, helping plants recover after stress, or where soils are tired or have been farmed hard for years.

Amino Acid and Protein Hydrolysate Sprays

Amino Acid and Protein Hydrolysate Sprays:
Spraying amino acids directly onto leaves helps crops bounce back after stress, encourages strong early growth, and can be used on all the crops you target, especially after bad weather or chemical damage.

Best fit crops:
All crops, but especially high-value vegetables, cotton, tree crops, and vines.

Soils:
Any soil, but especially where crops are showing signs of stress or slow growth.

Situations:
After cold, heat, hail, or chemical damage; to help crops bounce back from stress; at key growth stages like flowering or fruit set.

Fish Hydrolysate and Filtered Compost Teas

Fish Hydrolysate and Filtered Compost Teas:
Filtered liquid fish or compost teas can provide both nutrients and beneficial microbes directly to leaves. These are best used on vegetables, vines, and young trees. Always ensure teas are well-filtered before foliar application.

Best fit crops:
Vegetables, young trees, pasture, broadacre crops, organic systems.

Soils:
Low fertility, low organic matter, or “worn out” soils.

Situations:
When rebuilding soil life, organic farming, or wanting to feed both crops and the “good bugs” in the soil and on the leaves. Best not sprayed right before harvest or in very humid disease-prone weather.

Silicon-Based Sprays

Silicon-Based Sprays:
Potassium silicate and similar silicon products strengthen plant tissues, improve resistance to fungal diseases, and help prevent lodging. These are very useful for cane, cotton, vegetables, and grapes, particularly to reduce leaf disease.

Best fit crops:
Sugarcane, cereals, rice, cotton, vegetables, and grapes.

Soils:
Sandy soils, soils known to be low in available silicon, or fields prone to lodging (crops falling over).

Situations:
To toughen plants against diseases, improve stem strength, help crops stand up after wind or rain, or reduce fungal leaf problems.

Nitrogen-Fixing Bacterial Sprays

Nitrogen-Fixing Bacterial Sprays:
Some foliar products contain strains of Azospirillum or Azotobacter. These can live on the leaf surface and help provide a small nitrogen boost. Greatest benefit is still seen with soil or seed application, but foliar use is an option.

Best fit crops:
Cereals (wheat, corn, sorghum), sugarcane, pasture, some vegetables.

Soils:
Low-nitrogen soils, lighter soils, or fields where fertilizer N is expensive or limited.

Situations:
Where you want to reduce nitrogen fertilizer use, improve early vigor, or in rotations with legumes.

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We deliver precision foliar biostimulant applications using cutting-edge drone technology — reducing waste, improving plant uptake, and accessing hard-to-reach terrain without compaction. Our aerial platform also supports granular spreading, biological input delivery, and multispectral crop health assessments that identify stress before it’s visible to the eye. Whether you’re targeting yield, resilience, or input efficiency, Skyspec provides a smarter, more sustainable way to manage your canopy and soil — backed by data, driven by results.