There are five tricks to cure cucumber bitterness in greenhouses

1, choose the best species to avoid the use of dark green leaves of the species, because the dark green leaves of cucumber, its high content of bitter, should choose the lighter color of the leaf.
2. Control of optimum temperature When the ground temperature in the shed is lower than 13°C for a long time, the roots are stunted, the absorption capacity of the fertilizer and water is weakened, the melon strip growth is delayed, and the accumulation of bitterness is increased, and the appropriate temperature should be controlled at about 22°C.
3, less nitrogenous nitrogen fertilizer to promote dark green leaves should be less applied. Can be cooked more organic fertilizer and phosphorus and potassium fertilizers. Do not mix chicken manure when applying manure, because of the high nitrogen content of chicken manure, easy to make cucumber taste bitter.
4. Irrigation magnetic water A magnetizer is installed at the outlet of the pump to magnetize the irrigation water. Watering the magnetized water can prevent bitterness from accumulating in the melon strips.
5, when the shed smoked seedlings 2 to 3 true leaves, the shed put light smoke (burning of straw, straw, etc.), closed 2 to 3 days and nights, can increase female flowers, more knot strong melon, reduce bitterness accumulation.