Technical notice and liability
Estimates, not a design
Results depend on the data you enter and on simplifying assumptions described on each page. Soils, crops, inputs, climate and machines vary by region, plot and field conditions.
Page seals
Preliminary estimate: an order of magnitude to decide whether it is worth going deeper. Pre-sizing: a basis for specification and quotation, subject to verification. No page issues a result for construction.
Standards and legislation
Each page lists the technical references and the legal requirements that apply in Brazil (fertilizer and soil amendment law, pesticide law, water resources policy, NR-31, among others). Check the current version with the issuing bodies.
Safety
Pesticide application requires an agronomic prescription and protective equipment, as set by law and NR-31; drawing water for irrigation requires a water-use permit; warehouses and dryers have their own risks. No tool on this site replaces these requirements.