How to increase the yield of cucumbers in greenhouses

Cucumber is a kind of normal temperature crop, generally in 20-30 growth is the best, like moisture and afraid of drought, in the case of suitable climatic conditions, how to increase the yield of cucumber? There are several methods for reference.

1.Smoke and female enhancement method: when the cucumber seedlings are 2-4 true leaves, the greenhouse is filled with light smoke, which can increase the female flowers by 15% and increase the yield of cucumber by about 10%.

Artificial emasculation. When the cucumber male flowers have just formed, set aside 5%-10% of the male flowers, and remove the excess, once every 5 days.

3.Sprinkle plant ash: from the seedlings, sprinkle plant ash on the root or leaf surface of cucumber, once in about 10 days, a total of 4-5 times, not only to prevent pests and diseases, but also to increase yield.

4.Supplemental gas fertilizer: Placing dry ice or several barrels of manure in the greenhouse and increasing the concentration of carbon dioxide through fermentation can increase cucumber yield by 30%.

5.Foliar spraying: spraying borax liquid at the 7 leaf stage to preserve flowers, improve the rate of melon setting, spray potassium dihydrogen phosphate liquid when a large number of melons are set, which can increase the yield of cucumber by about 20%.

Increasing fertilizer and water, paying attention to ventilation, and managing techniques are directly related to increasing yields.

Recommend a few books on greenhouse planting, Mr. Sun Peibo wrote "Energy-saving greenhouse vegetables are easy to learn and easy to do", "Ten misunderstandings and corrections of greenhouse vegetable cultivation", "1+1>2", "cucumber ultra-high yield and high-quality cultivation technology Q&A", "facility fruit tree cultivation technology", etc., these books will be helpful for your greenhouse planting, with a yield of 50,000 pounds of cucumbers per mu, you can buy them on Jingdong ** or on Dangdang Online.

Scientific management, control temperature, and humidity

The management of winter cucumber should be carried out in line with the requirements of "raising seedlings in the early stage and taking the yield in the later stage", and strive to combine seedling raising with increasing yield, and combine increasing yield with increasing output value.

This kind of problem can't be explained in one or two sentences, I've been growing cucumbers for 11 years, and it's okay.

What's wrong with the top of the cucumber gone?

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1. Control the apical bud. Spraying Kao No. 3 at the top piggyback to force the return of nutrients from the top piggyback, inhibit the crazy growth of the top bud, convert the growth nutrition into reproductive nutrition, and improve the quality of pollen fertilization. 2.

Quickly increase the temperature of the shed. Strengthen temperature management, increase the temperature in the shed, spray a new high-fat film on the seedlings, and enhance the thermal insulation and anti-freezing ability of the seedlings as soon as possible. 3.

Spray plant growth regulators. The use of strong gua diling to thicken the melon royal pap pedicle, strengthen the nutrient directional transport amount of land rent, and promote the rapid development of the melon body; The growth cycle does not fall flowers and melons. 4.

Strengthen fertilizer and water management. Top dressing is mainly based on fast-acting nitrogen fertilizer, and watering should be mastered with small water and lightly watered, and it is advisable to water thoroughly to prevent the ground temperature from dropping caused by flood irrigation. (bag).