Does soybean need nitrogen fertilizer?

Does soybean need nitrogen fertilizer?

World soybean production is increasing especially in North and South America. Soybean seeds contain a high percentage of protein about 35–40%, and they require a large amount of nitrogen compared with other crops. Also, soybean can absorb nitrogen usually nitrate from soil or fertilizers.

Why don t farmers put nitrogen fertilizer on soybeans?

Soybean plants are legumes. Legumes have bacteria on nodules which are on the roots of the plant. Grass crops are unable to take their own nitrogen from the air so they either need the nitrogen in the soil that the legumes provide for them in a crop rotation or they need a chemical fertilizer containing nitrogen.

What fertilizers do soybeans need?

Phosphorus and potassium fertilizer recommendations for high-yielding, profitable soybeans. Maximize your economic returns from phosphorus and potassium fertilizer applications to soybeans.

Do soybeans use nitrogen to grow?

Soybean and Nitrogen Nitrogen (N) is one of the primary nutrients that crops require for optimal growth and grain production. Soybean seeds are high in protein (~40%) and have relatively high nitrogen requirement to produce the high-protein grain and stover.

What is the best soybean fertilizer?

Soybean crop yields will decrease when it lacks essential nutrients. Therefore, it’s important to develop a profitable fertilizer program to maximize crop yields….Table 6: Expected removal of phosphate and potash in harvested soybean grain at 13% moisture.

Fertilizer source Median Range
Potash (K2O) 1.1 1.04 -1.15

When should you apply nitrogen to soybeans?

Apply N from full bloom (R2) through beginning pod (R3) or full pod (R4). Apply 20 to 50 pounds of N either as liquid or dry urea either dribbled on the soil surface, or broadcast. Apply a foliar feed with some N to make sure the plant’s metabolic machinery is working at optimal capacity.

How can I increase the yield of soybeans?

8 Tips To Higher Yields In Soybeans

  1. Scouting. Once a soybean crop is in the ground, weed control and pest and disease scouting is top priority.
  2. Fertility and pH Management.
  3. Weed Control.
  4. Irrigation.
  5. Harvesting.
  6. Variety Selection.
  7. Timing.
  8. Seed Treatments.

What is the best planting depth for soybeans?

1 to 1.5 inches deep
Soybean should be planted at 1 to 1.5 inches deep, but no deeper than 2 inches. Ultimately, soybean planting depth should be field specific and based more on soil conditions at the time of planting.

How much nitrogen do I put in soybeans?

On average, soybean needs to absorb 4.8 lbs of N per bushel produced. Hence, a soybean crop that produces 50 bu/ac (similar to current Nebraska average) will need to absorb 240 lbs N per acre. In contrast, a well-managed, irrigated crop that produces 80 bu/ac will need about 384 lbs N per acre.

What is a good soybean yield?

The 2019 soybean yield was 47.4 bushels per acre and the five-year average yield for soybeans sits at 49.5 bushels per acre.

Is it necessary to use nitrogen fertilizer for soybeans?

– According to a University of Illinois crop sciences researcher, there has been a great deal of interest recently in the idea of using nitrogen fertilizer during the growing season to increase soybean yields.

Why does soybean need less fertilizer than corn?

The probability of a response to P fertilizer in the low and very low ranges has been found to be less for soybean than corn. This difference can be attributed to the prevalence of iron deficiency chlorosis in sites summarized in Table 3, which limited the potential for P fertilizer to increase yield.

Why is soybean an important crop in Minnesota?

Soybean is an important crop in Minnesota and provides a significant return for many farms. The fertilizer needs of the crop are often neglected while attention is mostly directed at fertilizing other crops in the rotation. Soybean crop yields will decrease when it lacks essential nutrients.

When to use P and K fertilizer for soybeans?

The most economical use of P and K fertilizer is to only apply what is needed year-to-year. It has not been shown that the build-and-maintain method is superior to the sufficiency approach for P and K management. Strict crop removal of P and K may not provide sufficient nutrients for soils that test very low or low for either nutrient.

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