In general, cucumber seedlings can be used to control plant growth regulators. When cucumber stalks grow to half, the use of regulators will affect flower bud differentiation and later results, so it is recommended to control the growth potential by regulating the environment and fertilizer.
First of all, you should widen the temperature difference between day and night. When cucumbers appear to be long, the temperature in the shed should be adjusted first. Under normal circumstances, greenhouse cucumber should be controlled in the shed temperature of 25 ° C ~ 30 ° C during the day, the temperature should be controlled at 12 ° C ~ 15 ° C at night, the temperature difference is maintained at around 15 ° C is more appropriate.
Second, we should pay attention to water control and fertilizer control. Before the cucumber is planted, the applied base fertilizer includes a large amount of nitrogen fertilizer, and it is generally unnecessary to topdress after the cucumber is planted and before the result.
It is also possible to bend the overgrown cucumber hoe to make the growth point of the cucumber stalk downward, reduce the top edge advantage, promote the transportation of the cucumber oyster nutrient to the cucumber, slow down the growth of the top, and achieve the purpose of controlling the yield increase.
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