Resources

Grower Tools & Calculators

Quick planning tools for spawn ratios, yields, fruiting humidity, and farm economics.

Spawn ratio

How much substrate to pair with your spawn (parts substrate per 1 part spawn).

Spawn weight (kg)

Ratio (1 : N substrate)

Substrate needed: 2 kg · Total mix: 3 kg

Estimated fresh yield from substrate weight and biological efficiency.

Substrate weight (kg)

Biological efficiency (%)

Typical first-flush BE varies by species.

Estimated fresh yield: 3.75 kg

Vapour pressure deficit for fruiting environment planning.

Air temperature (°C)

Relative humidity (%)

VPD: 0.298 kPa · SVP: 2.984 kPa

Monthly profit, ROI, and payback period (amounts in ₹).

Monthly revenue (₹)

Monthly costs (₹)

Initial investment (₹)

Monthly profit: ₹25,000 · ROI: 71.4% · Payback: 8 mo