Sustainable and Organic Agriculture: Standards, Inputs and Conversion
What organic means
No synthetic fertilizers, pesticides or genetically modified material; certified seed where available; buffer zones against contamination; complete record keeping. Certification runs through NPOP nationally, the Jaivik Bharat logo, and PGS-India group certification. The NPOP conversion period is generally 12 months for annual crops and 24 months for perennials - produce harvested during conversion is labelled "in conversion", not organic.
Approved inputs and practices
Farmyard manure, vermicompost, green manure (dhaincha), crop residues, oil cakes, rock phosphate, biofertilizers (Rhizobium, Azotobacter, Azospirillum, phosphate-solubilizing bacteria) and biopesticides (Trichoderma, Beauveria, Bacillus thuringiensis, neem). Cultural tools: rotation, intercropping, mulching, resistant varieties and mechanical weeding.
Worked example
A farmer applies 10 t/ha of FYM containing 0.5 per cent N. Total N applied = 10,000 kg × 0.005 = 50 kg N/ha. If 30 per cent is available in the first season, the crop receives 15 kg N/ha - roughly one-third of a 40 kg N recommendation. Conclusion: FYM alone cannot meet a rice crop's nitrogen demand; it must be paired with a legume in rotation or a permitted organic nitrogen source. This kind of nutrient accounting is what the exam rewards.
Traps that cost marks
- Assuming organic means no nutrient input at all.
- Claiming organic status for produce harvested during the conversion period.
- Treating the total nutrient content of compost as immediately plant-available.
- Ignoring buffer zones and record keeping during inspection.