Crop Protection
How to Mix Pesticide Correctly in a 16-Litre Sprayer
Label says "2 ml per litre" or "300 ml per acre"? Here's exactly how to work out the dose per tank, calibrate your sprayer and mix safely – without guesswork.
· 4 min read
Farming guides
Step-by-step explanations of the maths behind fertilizer, seed, spray, irrigation and land calculations – written for farmers, students and advisers.
Fertilizers & Nutrients
How to Calculate NPK Requirement from Your Soil Health Card
Your Soil Health Card has the numbers – here's how to read them, turn N:P:K doses into bags of fertilizer, and avoid the unit mix-ups that lead to over-application.
· 3 min read
Land & Measurement
How Agricultural Land Is Measured in India: Bigha, Biswa, Guntha, Kanal and More
Bigha in Rajasthan isn't bigha in Bengal. A plain-language guide to India's traditional land units, how they convert to acres, and why you should always check local records.
· 3 min read
Land & Measurement
Acre vs Hectare: How They Compare and How to Convert Without Mistakes
A hectare is about 2.47 acres – but converting fertilizer doses and yields between the two trips up even experienced farmers. Here's how to get it right every time.
· 2 min read
Seeds & Sowing
How Much Seed Is Required per Acre? Seed Rate Explained Simply
Why do seed rate tables give a range? Because the right amount depends on your seed. Learn how test weight, germination and spacing decide how many kilograms to buy.
· 3 min read
Seeds & Sowing
How to Calculate Plant Population per Acre (With Spacing Examples)
Plant population links spacing to yield. Learn the simple formula, see worked examples for vegetables and orchards, and find out why triangular planting fits more plants.
· 3 min read
Fertilizers & Nutrients
Urea vs DAP: What Each Fertilizer Does and When to Use It
Urea and DAP are India's two most-used fertilizers, but they do very different jobs. Here's what's in each bag, when to apply it, and how to avoid paying for nutrients twice.
· 4 min read
Fertilizers & Nutrients
How to Calculate Fertilizer Requirement: A Step-by-Step Guide for Farmers
Turn a nutrient recommendation into the exact kilograms of urea, DAP and MOP you need – with the formula, a worked example and the mistakes that cost farmers money.
· 5 min read