Gardening and crops Calculators

Acres per Hour Calculator The 8.25 in the formula is not a constant but a unit conversion in disguise. Bulb Spacing Calculator Bulbs are planted staggered rather than in rows, which is why the count beats the square grid. CO2 Grow Room Calculator Enriching carbon dioxide only pays once light is no longer the limiting factor. Compost Calculator Compost is wetter and heavier than mulch, at about 30 lb per cubic foot. Corn Yield Calculator The kernel-weight factor alone swings the estimate by forty percent, which is why it is quoted as a range. Daily Light Integral Calculator A windowsill gives about 4 and full summer sun 30 to 60 — a factor of ten no watering can close. Fertilizer Calculator A 10-10-10 bag is a tenth nitrogen, so a kilogram of nitrogen takes ten kilograms of product. Grass Seed Calculator Germination times purity is what actually comes up — usually about four seeds in five. Growing Degree Units Calculator Maize needs 2,700 units to maturity whether that takes a hot 100 days or a cool 130. Mowing Cost Calculator Turning and overlap are where the day goes — field efficiency is rarely above 85 percent. Mulch Calculator Mulch is light for its bulk — about 25 lb per cubic foot, a quarter of topsoil. Plant Population Calculator Plants a foot apart come to 43,560 an acre, which is the definition of an acre in square feet. Plants Calculator Staggering the rows fits 15 percent more in the same ground at the same spacing. Potting Soil Calculator Peat-based mixes are light and sold by volume, so cubic feet is the number that matters. Raised Bed Soil Calculator A bed is just a box — length by width by depth, then order by the cubic yard. Soil Calculator Topsoil at 76 lb per cubic foot — a cubic yard weighs most of a ton before it rains. Vapor Pressure Deficit Calculator 60 percent humidity at 20 °C and at 30 °C are different growing conditions entirely. Vegetable Seed Calculator Buy for the germination on the packet, not for the plants you want. Vegetable Yield Calculator Yield starts with how many plants fit, and that starts with spacing rather than optimism. Water Potential Calculator Water always moves from less negative potential to more negative — never uphill. Water-Soluble Fertilizer Calculator One gram of a 20 percent feed in one litre is exactly 200 ppm nitrogen.