aridagri (version 2.0.3)

nutrient_response: Nutrient Response Curve Analysis

Description

Fits nutrient response curves using quadratic, linear-plateau, or Mitscherlich models to determine economic optimum dose.

Usage

nutrient_response(
  dose,
  yield,
  model = "quadratic",
  price_output = 50,
  price_nutrient = 15,
  verbose = TRUE
)

Value

List with model parameters and economic optimum

Arguments

dose

Numeric vector of nutrient doses (kg/ha)

yield

Numeric vector of corresponding yields (kg/ha)

model

Model type: "quadratic", "linear_plateau", or "mitscherlich"

price_output

Price of output (Rs/kg)

price_nutrient

Price of nutrient (Rs/kg)

verbose

Logical. If TRUE (default), prints formatted output to console.

Author

Lalit Kumar Rolaniya, ICAR-IIPR, Bikaner

Examples

dose <- c(0, 20, 40, 60, 80, 100)
yield <- c(1100, 1350, 1520, 1610, 1650, 1660)
nutrient_response(dose, yield, model = "quadratic", 
                  price_output = 60, price_nutrient = 15)