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I would like to congratulate you with an extremely good choice. Yes, carrots and onions are not accidentally always planted together. There are several reasons for this. First, the onion secures allicin, a special substance that helps repel parasites that are dangerous to carrots. Secondly, bulbs are always on the surface of the earth, and carrots are much deeper. Therefore, these two cultures will not interfere with each other, receiving nutrients from different layers of the earth. But, of course, it is not enough to make the right choice. You also need to know how to make beds in the garden for carrots and onions to get a rich harvest.
Forming a bed
Begin the formation of beds with the definition of its size. The optimum width is meter. If the width is less, then you have to arrange too many beds - you will not be able to get a big crop from one. If the bed is wider, there will be problems with watering, removing weeds. The length can be practically any - it is limited only by the size of the site and your wishes.
On the edges of the bed it is desirable to arrange a small mound or even to install the slats. Desirable height - 10-12 centimeters. This will save water, providing good watering even if a little rain has passed.
But if the site is in the lowland, there is another question - how to get rid of excess water. For this, the beds are specially raised - a formwork is installed from a board of 20-30 height, which is filled with earth. Due to this excess moisture will quickly leave the bed.
Worst of all, if the bed has to be broken in the marshy soil - any root crops here begin to rot quickly. It is necessary to remove a part of the earth from the garden so that a pit of about 25-35 centimeters depth is obtained. A thick and strong polyethylene is laid on the bottom and walls. Only after that the soil returns to the place. This will protect it from groundwater, approaching the surface, and get a rich harvest.
Do not forget about fertilizers
The next step, allowing a rich harvest, is soil fertilization. You can use chemical fertilizers, but in this case, carefully study the instructions and Follow it - any violations can lead to the death of plants and even the generation of hazardous to health fruits.
You can also use organic - onions and carrots are perfectly fertilized with manure, compost or peat. In this case, damage to fertilizers will be much more difficult.
Landing
Onion (when and how to plant in the open ground) it is advisable to take a fresh, lying half a year or a maximum of one and a half. To plant it, draw a strip on the garden bed (preferably along the perimeter) and just gently push the seeds into the ground so that only the top of the head protrudes.
Carrots are planted in the center of the bed. The seeds are very small, so it is necessary to thin too many sprouts, spending extra time. Some people specially paste the seeds on paper, which they then carefully rolled around the beds. But it will be easier to mix seeds with ordinary river sand or dry soil, and then sow in prepared grooves. Then a relatively small number of seeds will enter the earth, and young shoots will not have to be thinned out.