Fertilizer Requirements and Key Fertilization Techniques for Cucumbers

Cucumber cultivation is very common in China, and today there are many people growing cucumbers in the country. Although the cultivation method for cucumbers is simple, the management work during cultivation is also very important. When growing cucumbers, fertilization is an indispensable task, and when fertilizing, we must fully understand the fertilizer requirements of cucumbers. So below, the editor will introduce the fertilizer requirements of cucumbers to everyone. Let's take a look!

1. Fertilizer Requirements

Generally, when cucumbers are grown in open fields, it takes about 3-5 months from sowing to harvest. If they are grown overwinter in a greenhouse, the growth period of cucumbers can last about 9 months. The length of the cucumber growth period and its fertilizer requirements are affected by many environmental factors. According to professional survey data, for every 1000 kg of cucumbers, about 2 kg of pure nitrogen, about 1 kg of phosphorus pentoxide, and about 4 kg of potassium oxide are needed. The ratio is generally about 1:0.5:1.5. Throughout the entire growth period of cucumbers, the demand for potassium fertilizer is the greatest, followed by nitrogen and phosphorus.

2. One Month After Transplanting

One month after transplanting, the demand for nitrogen fertilizer rises sharply. Then after two months it begins to decline. One month after transplanting, the order of cucumber organs in terms of nitrogen demand from high to low is leaves, fruit, stems. After 50 days, the absorption by leaves and fruit is similar. After 2-3 months, the absorption by the fruit gradually exceeds that of the leaves. Throughout the entire growth period of cucumbers, phosphorus is also an indispensable substance, especially one month after transplanting, when the effect of phosphorus fertilizer is most obvious. Potassium is also indispensable. Whether for vegetative or reproductive growth, a lack of potassium will cause cucumber yield to decline.

3. Harvest Period

During the harvest period of cucumbers, fertilization work must also be done well. At this time, the demand for potassium is the greatest, followed by nitrogen. Then an appropriate amount of calcium, magnesium, phosphorus, and other substances should also be supplemented. Just as harvesting begins, the fertilizer uptake of cucumbers decreases somewhat, while during the harvest period, the uptake increases significantly. Finally, in the later stage, it gradually decreases again. This is because after cucumbers are harvested, most of the nutrients in the plant are lost with the fruit, so the higher the yield, the greater the demand for nutrients. Therefore, topdressing during the fruiting period of cucumbers is very important, and everyone must pay close attention to it.

The above is a brief introduction to the fertilizer requirements of cucumbers. When fertilizing cucumbers, we must pay attention to carrying out fertilization work according to the fertilizer requirements of cucumbers, so as to provide sufficient nutrients for cucumber growth, increase yield, and ensure planting benefits. That is all for today's introduction. This article is for reference only, and we hope it can be helpful to everyone.