Fertilize zucchini properly - that's how it's done

Fertilize zucchini properly - that's how it's done


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Courgettes thrive best on nutrient-rich soil. For a profitable harvest, you should therefore be fertilized regularly.

Zucchini ready for harvesting Like their relatives, the pumpkins and cucumbers, the zucchini thrive particularly in warm weather and in a moist and nutrient-rich soil. Under these conditions, the plants can grow healthy and thus provide the gardener with a profitable harvest.

Unfortunately, the summer weather in our latitudes is often changeable. Cool summer days are therefore not uncommon. If the harvest is to be good, then it is advisable to provide the zucchini with additional nutrients. Artificial fertilizer is not absolutely necessary. Natural fertilizers have proven their worth for all pumpkin plants.

Prepare the bed well and fertilize the plants properly

Zucchini have a high nutrient requirement and are therefore often referred to by the amateur gardeners as "starters". Therefore, the beds should be well prepared and fertilized before planting.

Compost and manure in the soil
It has proven useful to work compost and manure into the soil as early as autumn. Before the zucchini is planted outdoors in the following spring, it is advisable to enrich the cultivated area again with compost and a natural slow-release fertilizer, such as horn meal or horn shavings, about three to three weeks beforehand.

»By the way: Zucchini is only planted after the ice saints.

Liquid fertilizer after planting
If you have placed your zucchini in the garden and they have grown well, then you should water your plants regularly with a fertilizer solution. It does not necessarily have to be the commercially available liquid fertilizer. You can also make your own natural fertilizer, such as nettle slurry.

Homemade fertilizer solution
To make a nettle slurry, pick a few nettles before flowering. Then you come into a large, lockable container, such as a rain barrel. Now pour water on the nettles until they are covered and cover the bin.

Let the watering nettles stand for 8 to 10 days. The broth should be stirred daily. A short time later the nettles start to ferment and release nitrogen from their plant tissue.

Mix the irrigation water with nutrient solution every two weeks
After 10 days, strain the liquid manure and remove coarse plant parts of the fermented nettles. Otherwise these could clog the watering can.

Add the liquid manure to the irrigation water diluted 1:10 every 10 to 14 days. The nettle slurry is an excellent fertilizer for all plants with high nutrient requirements in the garden.