Ten ways to increase temperature in plastic greenhouses
1, advance sheds: advance sheds before planting, increase the temperature. 2. Enclosures inside and outside the shed: plus straw curtains, plus one meter high lambskin film. 3, shed interior heating, fire wall, stove. 4, multi-layer coverage of warming: a small shed in the greenhouse. 5, the application of brewers to increase the temperature of the material: the use of raw manure applied to the lower part of the plough layer, fermentation temperature. 6, keep the membrane surface clean, use no drip membrane. 7, artificial light supplement: use lights, methane light to make 3-4 hours. 8, shallow planting, pouring water: Do not flood irrigation. 9, hanging reflective screen warming: the use of aluminized polyester film spelled into the light curtain, hanging on the north side of the shed. 10, ditching sun fill material: open 30 cm deep trench, sun drying sun ditch, paving grass.