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Upland kangkong can be grown from low to mid elevations throughout the year.  Production is best in sandy to clay loam soil with a pH of 5.5-6.5. Land Preparation Prepare land by plowing and harrowing twice.  Prepare raised beds 1 m wide.   Spread well-decomposed animal manure at the rate of 1-2 kg/m2 between beds.  Make shallow lines 10 cm apart across the beds before sowing. Propagation and Planting Kangkong can be grown in garden plots and containers.  Sow seeds directly in rows or space evenly in containers.  Seeds and cuttings are used for propagation.  Plant densities may vary between 30-170 plants/m2. Fertilization Apply 1-2 kg/m2 animal manure before sowing.  Ten to fifteen days later, topdress with urea (46-0-0) or ammonium sulfate (21-0-0). Irrigation Water the plants everyday or as needed. Mulch with rice straw or rice hull to cut watering by at least 50%. Pests and Disease Management Caterpillars, whiteflies and aphids cause serious damage.  Control by regular pruning of stems.  Spray the plants with hot pepper extract or insecticidal soap to get rid of aphids.  Regular pruning at three weeks interval can minimize white rust. Harvesting Harvest by cutting young shoots 20-50 days after sowing and subsequently at regular intervals.  The plants are cut about 5-10 cm above ground.  Uprooting can also be practiced at 20-30 days after sowing.