Crop rotation

Crop rotation

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Crop rotation: how to manage the crops in the garden to always ensure maximum soil fertility and good productivity in the fields. From crop rotation to the rotation of the moon.

Is calledcrop rotationand it is a technique that has always been used by farmers to vary agricultural species in order to improve or maintain the fertility of the soil. Thanks tocrop rotation, all things being equal, a higher yield is obtained.

In the home garden thecrop rotationit is very important not to impoverish the soil too much.

Crop rotation, how to do it

Forbetter manage the garden, virtually divide it into four zones. In each area you can start different crops at different times of the year. To better understand how to manage the garden with the crop rotation technique, we give you a practical example:

In March you can start cultivating zone 1 of the garden with liliaceae, that is to say with garlic, onion, shallot ... in zone 2 you can add salad and spinach and gradually, with the increase in temperatures (between April and May) also tomatoes, fennel, early cabbage, potatoes ... and thus occupy the area 3 and 4 of the garden.

The following year, thecropsthey move through the so-calledcrop rotation, namely thatyou will have to sow leaf plants where root plants grew and vice versa.

If, in an area of ​​the garden, liliaceae are grown from March, in the same plot, with the increase in temperatures, it will be possible to grow leafy vegetables. Similarly, instead of leafy vegetables, tomatoes, aubergines and courgettes can be planted.

Another example ofrotationof thecrops in the vegetable gardenhe first sees the cultivation of potatoes and radish, then salad, mustard and finally onion.

The technique ofcrop rotationprovides a rest period for the ground that coincides with the coldest months of the year: during the winter, after the autumn digging, it will be possible to leave an area of ​​the garden uncultivated in order to guarantee periodic rest to the ground. During this phase the frost will be able to eliminate harmful insects and any eggs that will not find allotment among the leaves of the cultivars.

Rotation of the moon

There are many farmers who choose the day of sowing or planting the different cultivars based on the influence of the moon. There"Rotation of the moon"it would affect both the circulation of the plant sap and the photo-periodism (the duration of the daily lighting period).

In general, in agriculture it is believed that theCrescent moonis able to favor the vegetal development of plants since the saps tend to rise towards the surface. So when there isCrescent moonit is possible to plant well-developed seedlings, perform a good harvest or take cuttings and slips.

On the contrary, with thefalling moonthe sap withdraws towards the roots and the earth is fertile, in this period crops are avoided and space is left for sowing or planting bare-rooted plants.

Returning to talk aboutrotation of the moon and agriculture, we can mark 4 different phases:

  • 1). The first quarter - crescent moon
    The first phase of the moon is calledfirst quarter. It occurs 7 and a half days after the start of the lunar month. In agriculture, cuttings and slips for grafts can be taken during the first quarter. To recognize the growing moon it is possible to rely on an old saying that says "Hump ​​to the west, crescent moon ". If the moon is full to the west and empty to the east, the moon is "growing".
  • 2). Full moon - old moon
    The full moon occurs 14 days after the start of the lunar month. With the old moon you can sow tomatoes, aubergines and peppers.
  • 3). The last quarter - waning moon
    Occurs after about 21 days, the moon has already traveled three quarters of its orbit and appears again as a half disk, but in this case opposite the waxing moon. In this case the convex part is exposed to the east and the saying to remember reads "Hump ​​to the east, waning moon ".
  • 4). Novilunio - new moon
    The moon remains invisible in the sky.

Video: What is crop rotation? - Agriculture 101: Americas Heartland (August 2022).