Fertilizer Calc App vs SolarMix

Take control of every element of fertilization. Add Fields -> Set Fertilization Target -> Add fertilization you can take control of N, P, K, MG, CA. for every field, setting the target and see how may Kg/Ha of every element your crops need. You deserve a custom area unit? No problem! just add your custom area unit in square meters (es. Acre = 4046) and Fertilizer Calc does the conversione for you. You can add multiple custom unit with pro membership.

SolarMix is the fastest way to size, price, and propose a solar system — built for installers, electricians, and serious DIYers. Enter a monthly electric bill or list of appliances, and SolarMix instantly recommends the right solar array, inverter, and battery — with conservative, typical, and optimistic savings projections so you never over- or under-promise. WHY INSTALLERS LOVE IT • WORKS OFFLINE — Size jobs in basements, rooftops, and rural sites with zero signal. • REAL HARDWARE, REAL PRICES — Pick from a fully editable catalog of panels, inverters, and batteries. Live bill of materials updates as you adjust quantities. • BRANDED PROPOSALS — Add your company name, logo, and license number. Export a one-page PDF and share via email, WhatsApp, or print. • ORGANIZED BY PROJECT — Group every calculation, edit, and revision under a single client or site. • NO ACCOUNT REQUIRED — Everything stays on your device. No sign-up, no cloud, no subscription. THE TOOLKIT — 7 STANDALONE CALCULATORS • Battery Bank Sizer — kWh and Ah from load, DoD, and backup hours • Panel Array Sizer — panel count and total kW from daily load and sun hours • Battery Runtime — runtime from capacity and load • Breaker & Wire Sizer — breaker rating and wire gauge from amperage • Solar Recharge Time — hours to recharge from battery and array • Load Estimator — daily kWh from appliance list with 11 templates • Payback Calculator — simple and escalation-adjusted payback period SMART SIZING, FULL CONTROL • On-grid AND hybrid (battery-backed) algorithms • Confidence bands: Conservative / Typical / Optimistic • Advanced settings: performance ratio, DC/AC ratio, battery DoD, system efficiency, inverter utilization, target coverage • Battery chemistry presets: LiFePO4, Li-NMC, VRLA with sensible DoD defaults PRIVACY-FIRST • No account, no analytics tracking, no ads • All calculations and client data stored locally • Crash reports only, with no personal information attached • Export and back up your entire database to a single JSON file 23 currencies. Light and dark themes. One-time purchase. No subscription. No surprises.