Corn Nutrient Removal Calculator

Corn nutrient removal per bushel of grain produced is approximately 0.9-1.2 pounds of nitrogen (N), 0.3-0.5 pounds of phosphorus (P), and 0.8-1.1 pounds of potassium (K). These values are approximate and can vary based on factors such as soil conditions and corn variety.

Nutrient Removal Calculator

Nutrient Removal Calculator


NutrientNutrient Removal per Bushel of Corn Grain
Nitrogen (N)0.9 – 1.2 pounds
Phosphorus (P)0.3 – 0.5 pounds
Potassium (K)0.8 – 1.1 pounds


How do you calculate nutrient removal? Nutrient removal can be calculated by subtracting the nutrient content of harvested crops or products from the nutrient content applied as fertilizers or available in the soil. The formula is:

Nutrient Removal = Nutrient Applied – Nutrient Content in Harvested Crop/Product

What is the fertilizer removal rate for corn? The fertilizer removal rate for corn varies depending on factors like yield, soil nutrient levels, and crop management practices. On average, corn may remove approximately 0.9-1.2 pounds of nitrogen (N), 0.3-0.5 pounds of phosphorus (P), and 0.8-1.1 pounds of potassium (K) per bushel of grain produced.

How much potash does corn remove? Corn typically removes about 0.8-1.1 pounds of potassium (K) per bushel of grain produced.

What nutrients are removed from corn silage? Corn silage removal rates are similar to those of grain corn, with variations depending on yield. On average, corn silage may remove similar amounts of nitrogen (N), phosphorus (P), and potassium (K) as grain corn.

How do you calculate removal efficiency? Removal efficiency is calculated as the ratio of nutrient removed by the crop to the nutrient applied as fertilizer or available in the soil:

Removal Efficiency (%) = (Nutrient Removed / Nutrient Applied) x 100

How do you calculate nutrient value? Nutrient value is calculated by multiplying the nutrient content (e.g., N, P, K) in a fertilizer source by the cost per unit of that nutrient in the fertilizer. For example, the nutrient value of a fertilizer with 10% nitrogen costing $10 per bag would be:

Nutrient Value = (10% N) x ($10 per bag) = $1 per unit of nitrogen

What is the best NPK ratio for corn? A common NPK ratio for corn is 3-1-2, meaning 3 parts nitrogen (N), 1 part phosphorus (P), and 2 parts potassium (K).

What is the NPK ratio for corn fertilizer? Corn fertilizer with an NPK ratio of 10-10-10 is often used, but the choice of fertilizer depends on soil test results and nutrient requirements.

How much nitrogen is removed in 1 tonne of maize grain? Approximately 25-30 kg of nitrogen (N) may be removed in 1 tonne of maize grain.

What are the methods of nutrient reduction? Methods for nutrient reduction include optimizing fertilizer application, using precision agriculture techniques, implementing cover crops, reducing nutrient runoff, and adopting nutrient management practices.

How do you calculate nitrogen excretion? Nitrogen excretion can be calculated by measuring the difference between the nitrogen intake (through feed or fertilizer) and the nitrogen output (through crops, livestock, or other means).

How do you calculate nitrogen uptake? Nitrogen uptake by plants is determined by measuring the nitrogen content in plant tissues (e.g., leaves, stems) and can be expressed as kg or pounds of nitrogen per unit area.

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How much nitrogen phosphorus and potassium does corn need? On average, corn requires about 1-1.2 pounds of nitrogen (N), 0.2-0.4 pounds of phosphorus (P), and 0.8-1.1 pounds of potassium (K) per bushel of grain produced.

How much nitrogen does 1 corn plant need? One corn plant typically requires about 0.15-0.2 pounds of nitrogen (N) during its growth cycle.

What fertilizer does corn need the most? Corn often needs the most nitrogen (N) among the three major nutrients (N, P, K).

What happens if there is too much potash? Excessive potash (potassium) can lead to nutrient imbalances, potentially reducing the plant’s ability to take up other essential nutrients. It can also affect soil pH and overall plant health.

Can you apply too much potash? Yes, applying too much potash can lead to nutrient imbalances, which can negatively impact crop health and yield.

How much CO2 does corn remove? Corn removes carbon dioxide (CO2) from the atmosphere during photosynthesis. However, the specific amount varies based on factors like growth stage, weather, and location. On average, a hectare of corn can remove several tons of CO2 over its growing season.

What is the phosphorus removal rate of corn? Corn typically removes about 0.2-0.4 pounds of phosphorus (P) per bushel of grain produced.

Is corn silage better than hay? The choice between corn silage and hay depends on factors such as livestock nutrition needs, availability, and farm management practices. Both have their advantages and disadvantages.

Is silage more nutritious than hay? Silage and hay have different nutritional profiles. Silage tends to retain more nutrients, but the specific nutritional content depends on factors like crop type and harvesting method.

How do you calculate removal capacity? Removal capacity is calculated by multiplying the nutrient removal rate (e.g., pounds of N, P, K per bushel or ton) by the crop yield (bushels or tons per acre).

What is the difference between CBOD and BOD5? CBOD (Carbonaceous Biochemical Oxygen Demand) and BOD5 (Biochemical Oxygen Demand over 5 days) are both measures of organic matter pollution in water. The key difference is the duration of the test. BOD5 measures the oxygen demand over a 5-day period, while CBOD measures the oxygen demand primarily from carbonaceous organic matter over a shorter period.

What is the range of BOD percent removal considered efficient? Efficient BOD removal is typically considered to be 90% or higher, indicating effective wastewater treatment.

What is the formula for nutrient efficiency? Nutrient efficiency can be calculated as the ratio of nutrient uptake by plants to the amount of nutrient applied:

Nutrient Efficiency (%) = (Nutrient Uptake / Nutrient Applied) x 100

What is the nutritional value of corn? Corn is a good source of carbohydrates, fiber, vitamins (especially B vitamins), and minerals (especially potassium and magnesium). Its nutritional value can vary based on factors like variety and preparation.

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What is a nutrient calculator? A nutrient calculator is a tool or software used to calculate nutrient requirements and fertilizer recommendations for crops based on factors like soil tests, crop type, and yield goals.

Does corn need potash? Yes, corn requires potassium (potash) for healthy growth and development, particularly during the reproductive stages.

Does corn like nitrogen-rich soil? Corn does benefit from nitrogen-rich soil, but excessive nitrogen without balanced nutrient levels can lead to issues like lodging and nutrient imbalances.

Is chicken manure good for corn? Chicken manure can be a valuable source of nutrients for corn when properly composted or applied at the right rates. It contains nitrogen, phosphorus, and potassium, among other nutrients.

What NPK is high in nitrogen? A fertilizer with a high nitrogen content might have an NPK ratio like 30-0-0, indicating a high percentage of nitrogen.

Which NPK is best for fruiting? For fruiting plants like tomatoes or peppers, a balanced NPK ratio, such as 10-10-10 or 15-15-15, is often recommended.

What is the ideal NPK ratio? The ideal NPK ratio varies depending on the crop and soil conditions. Common ratios include 3-1-2 or 4-1-2 for general use.

What 3 nutrients does corn need the most of? Corn needs the most nitrogen (N), followed by potassium (K) and phosphorus (P).

Is too much nitrogen bad for corn? Yes, excessive nitrogen can lead to issues like lodging, delayed maturity, and environmental problems like nutrient runoff.

What crop removes the most phosphorus? Crops like soybeans, alfalfa, and corn tend to remove significant amounts of phosphorus from the soil.

What are the 4 R’s of nutrient management? The 4 R’s of nutrient management are:

  1. Right Source: Using the right fertilizer type.
  2. Right Rate: Applying the right amount of fertilizer.
  3. Right Time: Timing fertilizer application for plant needs.
  4. Right Place: Applying fertilizer where it can be most effectively taken up by plants.

How do you stop nutrient leaching? To reduce nutrient leaching, practices like controlled-release fertilizers, cover cropping, and reducing excessive fertilizer application can be employed.

How do you reduce nitrogen runoff? Reducing nitrogen runoff can be achieved through practices like buffer strips, vegetative cover, and precision nutrient application.

What are the three nitrogen excretion strategies? The three nitrogen excretion strategies are ureotelism (excretion of urea), ammoniotelism (excretion of ammonia), and uricotely (excretion of uric acid), seen in different animal species.

What is the formula for excretion? Excretion can be calculated as the difference between the intake and retention of a specific nutrient:

Excretion = Nutrient Intake – Nutrient Retention

What is the normal range for nitrogen excretion? The normal range for nitrogen excretion in humans varies depending on factors like age, sex, and diet. On average, it can be around 10-15 grams of nitrogen per day.

What is the nitrogen use efficiency of corn? Nitrogen use efficiency for corn can vary but is often in the range of 30-50%, meaning that percentage of applied nitrogen is taken up by the plant.

How is nitrogen loss measured? Nitrogen loss can be measured through methods like soil testing, water testing, and plant tissue analysis to assess nutrient levels and losses.

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How do you calculate kg of nitrogen? To calculate the amount of nitrogen in kilograms from a given nutrient content percentage, you multiply the weight of the fertilizer or substance by the percentage of nitrogen it contains.

What are the signs of lacking nitrogen phosphorus and potassium in corn? Signs of nutrient deficiencies in corn can include yellowing of leaves for nitrogen deficiency, purpling of leaves for phosphorus deficiency, and poor growth and fruiting for potassium deficiency.

At what stage does corn need the most nitrogen? Corn typically requires the most nitrogen during its vegetative growth stages and early reproductive stages.

Does corn need high phosphorus? Corn requires phosphorus for root development and energy transfer, but excessive phosphorus may not always be necessary.

Does more nitrogen mean more corn yield? More nitrogen can contribute to higher corn yields up to a certain point, but excessive nitrogen can have negative effects.

What happens if corn doesn’t get enough nitrogen? A lack of nitrogen can lead to stunted growth, reduced yield, and poor quality corn crops.

What is the ratio of nitrogen to potassium in corn? The ratio of nitrogen (N) to potassium (K) in corn varies depending on factors like soil nutrient levels and crop management practices. A common guideline is to maintain a balanced N to K ratio.

How many liters is 1 kg of nitrogen? One kilogram (kg) of nitrogen gas at standard temperature and pressure (STP) occupies approximately 1,165 liters.

How many kg is a cubic meter of nitrogen? One cubic meter of nitrogen gas at STP has a mass of approximately 1.165 kilograms.

What is the ideal nitrogen level in soil mg/kg? The ideal nitrogen level in soil can vary but is often recommended to be in the range of 10-20 milligrams per kilogram (mg/kg) for most crops.

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