Protected Cultivation Plantation Guide
Expert Advice on Soil Preparation, Spacing, Irrigation & Crop Selection
Successful farming in greenhouses and polyhouses requires careful management of plant spacing, substrate quality, moisture levels, and nutrient distribution. Follow this expert guide to maximize your harvest quality and yield.
1. Recommended Polyhouse Crops
Protected cultivation is highly suited for high-value vegetables and flowers:
2. Soil & Bed Preparation
Optimal beds should be raised to a height of 30-45 cm and a width of 90-100 cm. Soil must be well-drained, porous, and sterilized (using soil solarization or chemical treatment) to eliminate nematodes and soil-borne pathogens before planting.
3. Ideal Plant Spacing
Correct density ensures adequate sunlight and ventilation, reducing disease risk. Row-to-row spacing should be 40-50 cm, and plant-to-plant spacing should be 30-40 cm in a zig-zag pattern on raised beds.
4. Irrigation & Fertigation
Use high-quality drip lines (16mm inline drips with 30cm emitter spacing) to supply water directly to roots. Fertigation (supplying water-soluble fertilizers like NPK, Calcium Nitrate, and micronutrients) should be scheduled based on the crop growth stage.
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