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MicroEssentials® SZ® vs. MAP Blend

Evaluate the yield response of corn to MicroEssentials® SZ® (12-40-0-10S-1Zn) compared to MAP (11-52-0) + AS (21-0-0-24S) + ZnSO₄ (0-0-0-16S-36Zn).

MicroEssentials® SZ® vs. MAP Blend

Evaluate the yield response of spring wheat to MicroEssentials® SZ® (12-40-0-10S-1Zn) compared to MAP (11-52-0) + AS (21-0-0- 24S) and MAP.

MicroEssentials® SZ® vs. MAP

Evaluate the yield response of corn to MicroEssentials® SZ® (12-40-0-10S-1Zn) compared to MAP (11-52-0)

MicroEssentials® S15® vs. MAP Blend

Evaluate the yield response of canola to MicroEssentials® S15® (13-33-0-15S) compared to MAP (11-52-0) + AS (21-0-0-24S) and MAP.

MicroEssentials® S15® vs. MAP Blend

Evaluate the yield response of spring wheat to MicroEssentials® S15® (13-33-0-15S) compared to MAP (11-52-0) + AS (21-0-0- 24S) and MAP.

It's Time to Reevaluate Canola P Fertility!

Are you seed-placing your phosphorus (P) and basing application rates on seed safety rather than crop requirements? You may be leaving yield on the table. Recent research out of the University of Manitoba examining seed-safe rates of P and sulfur (S) in canola is showing that P applied at rates based on seed safety may not be adequate to maximize canola yields.

The Impact of High Yields on Deficient Soils

Record yields equal record removal of nutrients and should indicate a need for record soil nutrient replenishment.

Article

Granular and Fluid Phosphorus Sources for Irrigated Alfalfa

Scientists from Arizona State University compared fluid ammonium polyphosphate (10-34-0) applied in irrigation water with granular monoammonium phosphate (MAP) broadcast and irrigated into the soil as phosphorous (P) sources for high-yield alfalfa (eight cuttings per year) and to study movement and availability of P in a calcareous soil.

Article

Phosphate Source Selection

When it comes to phosphate source selection, the menu is a good one. It contains liquid sources, such as the polyphosphates 10-34-0 and 11-37-0; and granular sources such as monoammonium phosphate (also called MAP, which is 11-52-0) and diammonium phosphate (also called DAP, which is 18-46-0).

Article

Agronomic Field Results: MAP vs. DAP, 2002 to 2005

Corn Summaries

Article

Monoammonium Phosphate (MAP)

Monoammonium phosphate (MAP) is a widely used source of phosphorus (P) and nitrogen (N).*

Article

High-Yield Potatoes Have High Nitrogen and Potassium Needs

Potatoes are grown in nearly every state in the U.S., with sales in excess of $3 billion. Yield, tuber size and specific gravity (dry-matter content) influence quality factors such as frying properties and flavor. Fertility management decisions can influence these as well as storage properties.