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At AgroLiquid, we study a variety of crops in detail to determine the best fertilizer combinations. All of our fertilizer research is carefully documented, including what fertilizers we use, when, on what crops, and how those crops grow. Much of our research is conducted at our 1,000 acre research facility, the North Central Research Station (NCRS). We also partner with farmers, growers, and ranchers across the country to conduct fertilizer research in other climates and soil types. This helps us perfect our fertilizer programs, and develop the most efficient combinations for all types of crops.

Fertility Programs for Reduced Irrigation and Population

As water well production slows and regulations increase in areas of heavy groundwater use,
growers are forced to cut back plant populations to match irrigation capacities.

Crops: Corn. States / Provinces: Colorado. Nutrients: Micronutrients, Nitrogen, Phosphorus, Phosphorus, Potassium, Potassium, and Sulfur. Years: 2024. Applications: Broadcast, Foliar, Irrigation, Planter, Side Dress, and Topdress.

In-Furrow Fertilizer Economic Challenge in Corn

In 2025 we did economic challenge plots with XtremeAg to see how three growers from different
parts of the country build a fertility program using a set application method and budget. In
Maryland we compared in-Furrow applications on corn with a $40/A fertility budget.

Crops: Corn. States / Provinces: Alabama, Maryland, and North Carolina. Nutrients: Calcium, Micronutrients, Phosphorus, Phosphorus, Potassium, Potassium, and Sulfur. Years: 2025. Applications: In-furrow.

Effect of Foliar Phosphorus Applications in Soybeans

The objective of this trial was to determine the effectiveness of foliar applied phosphorus on
soybean yield.

Crops: Soybean and Soybeans. States / Provinces: Maryland. Nutrients: Micronutrients, Phosphorus, Phosphorus, Potassium, Potassium, and Sulfur. Years: 2025. Applications: Foliar.

Effect of Foliar Phosphorus Applications in Corn

The objective of this trial was to determine the effectiveness of foliar applied phosphorus on corn
yield.

Crops: Corn. States / Provinces: Maryland. Nutrients: Micronutrients, Nitrogen, Phosphorus, Phosphorus, Potassium, Potassium, and Sulfur. Years: 2025. Applications: Foliar.

2×2 Fertilizer Economic Challenge in Soybeans

In 2025 we did economic challenge plots with XtremeAg to see how three growers from different
parts of the country build a fertility program using a set application method and budget. In
Tennessee we compared foliar applications on wheat with a $30/A fertility budget.

Crops: Soybean and Soybeans. States / Provinces: Iowa, Maryland, and Tennessee. Nutrients: Calcium, Fulvic, Micronutrients, Multinutrient, Nitrogen, Phosphorus, Phosphorus, Potassium, Potassium, and Sulfur. Years: 2025. Applications: Foliar.

Foliar Fertilizer Economic Challenge Double Crop Soybeans

In 2025 we did economic challenge plots with XtremeAg to see how three growers from different
parts of the country build a fertility program using a set application method and budget. In
Alabama we compared R3 foliar applications on soybeans with a $40/A fertility budget.

Crops: Soybean and Soybeans. States / Provinces: Alabama, Arkansas, and Maryland. Nutrients: Calcium, Magnesium, Micronutrients, Multinutrient, Nitrogen, Phosphorus, Phosphorus, Potassium, and Potassium. Years: 2025. Applications: Foliar.

Field Evaluation of Supplemental Nutrient Applications at Sidedress in Grain Corn

Sidedressing nitrogen in corn allows nutrients to be applied closer to the time when the crop needs them most, improving nitrogen use efficiency and supporting strong plant growth during key development stages.

Crops: Corn. States / Provinces: Ontario. Nutrients: Nitrogen, Phosphorus, Phosphorus, Potassium, and Potassium. Years: 2025. Applications: Side Dress and Y-Drop.

A Field Evaluation of Dry vs. Liquid Fertilizer Placement in Strip-Tilled Grain Corn Production

Strip tillage combines the soil conservation benefits of no-till with the seedbed advantages of conventional tillage. By tilling narrow planting strips while leaving the rest of the field undisturbed, strip tillage reduces erosion, improves soil structure, and retains moisture.

Crops: Corn. States / Provinces: Ontario. Nutrients: Micronutrients, Nitrogen, Phosphorus, Phosphorus, Potassium, and Potassium. Years: 2025. Applications: Strip-Till.

Field Evaluation of Supplemental Foliar Phosphorus Applications in Grain Corn

Phosphorus plays a critical role in early corn plant development, energy
transfer, and root growth. It is a key component of adenosine triphosphate
(ATP), which drives many metabolic processes required for plant growth.

Crops: Corn. States / Provinces: Ontario. Nutrients: Micronutrients, Nitrogen, Phosphorus, Phosphorus, Potassium, and Potassium. Years: 2025. Applications: Broadcast, Foliar, Irrigation, Planter, Side Dress, and Topdress.

Field Evaluation of Supplemental Foliar Phosphorus Applications in Grain Corn

Phosphorus plays a critical role in early corn plant development, energy
transfer, and root growth.

Crops: Corn. States / Provinces: Ontario. Nutrients: Micronutrients, Nitrogen, Phosphorus, Phosphorus, Potassium, and Potassium. Years: 2025. Applications: Foliar.

2×2 Fertilizer Economic Challenge in Soybeans

In 2025 we did economic challenge plots with XtremeAg to see how three growers from different
parts of the country build a fertility program using a set application method and budget.

Crops: Soybean. States / Provinces: Alabama, North Carolina, and Tennessee. Nutrients: Calcium, Fulvic, Iron, Micronutrients, Phosphorus, Phosphorus, Potassium, Potassium, and Sulfur. Years: 2025. Applications: Broadcast, Foliar, Planting, Side Dress, and Topdress.

Kapitalize on Corn

This trial is testing the yield impact of adding Kapitalize to two different fertility programs.

Crops: Corn. States / Provinces: Mississippi. Nutrients: Phosphorus, Phosphorus, Potassium, and Potassium. Years: 2025. Applications: Foliar.

Citrus Trial Weight and Gross Income

The objective of this trial was to compare the grower standard program to AgroLiquid program that has replaced the phosphorus and potassium in the grower standard program with AgroLiquid products of PrG for the phosphorus and Kalibrate for the potassium.

Crops: Citrus. States / Provinces: California. Nutrients: Nitrogen, Phosphorus, Phosphorus, Potassium, and Potassium. Years: 2025. Applications: Foliar and Irrigation.

Citrus Trial ROI GS vs AgroLiquid

The objective of this trial was to compare the grower standard program to AgroLiquid program to find how they effect ROI.

Crops: Citrus. States / Provinces: California. Nutrients: Nitrogen, Phosphorus, Phosphorus, Potassium, and Potassium. Years: 2025. Applications: Foliar and Irrigation.

Citrus Trial – Brix, Yield and Size of Fruit

The objective of this trial was to compare the grower standard program to an AgroLiquid program and how each crop nutrition program effects brix, size, and yield of the fruit.

Crops: Citrus. States / Provinces: California. Nutrients: Nitrogen, Phosphorus, Phosphorus, Potassium, and Potassium. Years: 2025. Applications: Foliar and Irrigation.

Citrus Brix Yield and Size of Fruit

This trial compared the grower’s standard program to an AgroLiquid program to see how they effect Brix, yield and size of fruit.

Crops: Citrus. States / Provinces: California. Nutrients: Phosphorus, Phosphorus, Potassium, Potassium, and Programs. Years: 2024.

Citrus trial comparing ROI between grower standard and AgroLiquid

A trial comparing the return on investment between the grower’s standard program and an AgroLiquid program.

Crops: Citrus. States / Provinces: California. Nutrients: Phosphorus, Phosphorus, Potassium, Potassium, and Programs. Years: 2024.

Citrus Trial Comparing Yield and Gross Income

This trial compared the grower’s standard program to an AgroLiquid program which replaced the phosphorus and potassium with PrG and Kalibrate.

Crops: Citrus. States / Provinces: California. Nutrients: Phosphorus, Phosphorus, Potassium, Potassium, and Programs. Years: 2024.

Almond Yield Trail 2024

The goal of this trial was to measure the efficacy and efficiency of AgroLiquid products compared with the grower’s standard fertilizer program. The aim was to maintain yield with far less pounds of applied fertilizer per acre than the grower standard.

Crops: Almonds. States / Provinces: California. Nutrients: Micronutrients, Nitrogen, Phosphorus, Phosphorus, Potassium, Potassium, Programs, and Sulfur. Years: 2024. Applications: Foliar and Irrigation.

Six-Year Almond Trial in Almonds

This trial compares the yield averages of our six-year almond trial between the grower standard of 10-34-0 (50 gallons per acre applied) and Potassium Thiosulfate (45 gallons per acre applied) with AgroLiquid’s PrG (18 gallons per acre applied) and Kalibrate (16.5 gallons per acre applied).

Crops: Almonds. States / Provinces: California. Nutrients: Phosphorus, Potassium and Sulfur. Years: 2023. Applications: Foliar and Irrigation.

Product Efficacy Trial on Almonds

The sixth year of replicated research comparing AgroLiquid’s products for efficacy using PrG and Kalibrate, compared to the grower standard of 10-34-0, and Potassium Thiosulfate.

Crops: Almonds. States / Provinces: California. Nutrients: Phosphorus, Potassium and Sulfur. Years: 2023. Applications: Foliar and Irrigation.

Grower Standard vs AgroLiquid Program in Almonds 2023

This is the sixth year of replicated research comparing AgroLiquid’s PrG and Kalibrate products to the grower standard of 10-34-0 and Potassium Thiosulfate. Specifically looking at applying AgroLiquid products at a lower rate and less lbs of nutrient per acre compared to conventional products. Can we maintain yield and quality of the almond crop?

Crops: Almonds. States / Provinces: California. Nutrients: Phosphorus, Potassium and Sulfur. Years: 2023. Applications: Foliar and Irrigation.

Foliar Fertilizer Combinations in Soybeans

Potassium is one of the most important nutrients that can be supplied by foliar fertilizers. Phosphorus is another nutrient that may be beneficial when applied through foliar treatments. The objective of this trial was to evaluate combinations of fertiRain, Sure-K, and springuP applied at R2 growth stage of soybeans.

Crops: Soybeans. States / Provinces: Illinois. Nutrients: Phosphorus, Potassium. Years: 2022. Applications: Foliar.

Effect of Planter Fertilizer Application on Corn

Crops: Corn. States / Provinces: Illinois. Nutrients: Phosphorus, Potassium. Years: 2017. Applications: Planting.