2. plants biennial is a separate planting vegetables and crops planted.2.1 the vegetables have a sequence of steps.1.) Raceway Park using San Groove width approx. 6-7 metres wide, 1.5 metres and drainage depths of about 50 cm, or deep enough to stage level, often containing many compounds, pyrolysis Wright.2.) and then leave it to loosen the soil tilled rack 3-5 days.3. convert submenu on the ridges and grooves) by lifting a high conversion, about 25-30 cm wide, approx. 1-2 m, on the ridge to drain water and to prevent water or wet sub when the conversion when there is rain.4. to reduce the cement materials), enter the acidity of the soil is limestone or cement dust, Marta ลอัตรา, approximately 2-3 tons per Rai, or approximately 2 kg per 1 square meter by the cement mix soils and leave for 15 days.5. put the compost or organic fertilizer), at a rate of 5 tons per Rai, or approximately 3 kg per 1 square meter by inserting before 1 day to improve the soil, incoherent with the components of the soil.
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