Kukurbitacin — this is the cause of bitterness with a cucumber, this is a special substance with a bitter taste. There are cucurbitacin in all cucumbers, but only its increased concentration will be felt in the vegetable. If this substance is not enough, then cucumbers have their own ordinary taste without bitterness. We list the main causes of increasing the level of this substance in green vegetables: excessive amount or lack of moisture, irregular irrigation, lack of potassium and nitrogen in the ground, low humidity in the greenhouse, excess of sunlight.