Tropical Cover Crop Calculator
Open-source seed-rate, nitrogen-fixation, and climate-suitability tools for oil palm, rubber, fruit, and smallholder mixed cropping. By Chemiseed Sdn. Bhd., Malaysia.
Open-source seed-rate, nitrogen-fixation, and climate-suitability tools for oil palm, rubber, fruit, and smallholder mixed cropping. By Chemiseed Sdn. Bhd., Malaysia.
Plan seed orders for tropical leguminous cover crops by hectares and crop system.
Score how well your region matches cover crop optimal ranges.
<script type="module">
import { calculateCoverCropPlan } from
'https://cdn.jsdelivr.net/gh/chemiseedkudzuseeds/tropical-cover-crop-calculator@main/src/cover-crop-calculator.js';
const plan = calculateCoverCropPlan({ hectares: 25, cropSystem: 'oil_palm_immature' });
</script>If you use these tools or the companion dataset, please cite:
Abdul, Shaharil and Chemiseed Sdn. Bhd. (2026). Tropical Cover Crop Calculator: open-source seed-rate, nitrogen-fixation, and climate-suitability tools for tropical cover crops. Version 1.0.0. https://doi.org/10.5281/zenodo.20244236