Fertilizer, irrigation, soil amendment, and water management calculators.
Calculate NPK fertilizer application rates per acre based on soil test results and crop nutrient requirements.
Calculate tons of agricultural lime needed per acre to raise soil pH to optimal crop levels.
Calculate water volume needed per acre based on crop water use, soil type, and irrigation method efficiency.
Calculate center pivot irrigation coverage area, GPM requirements, and application depth per revolution.
Calculate organic matter amendment rates to improve soil health. Includes manure, compost, biochar, and gypsum.
Calculate tile spacing, depth, and capacity for subsurface drainage systems in agricultural fields.
Calculate compost volume, weight, and nutrient content for field or garden application.
Estimate seasonal water table depth based on soil type, topography, drainage, and precipitation patterns.