Spontaneous Groundcovers in Mediterranean Olive Orchards

Groundcovers (the term ‘cover crops’ in woody crop is also found in the literature) consists of maintaining spontaneous flora to cover soil in the area between tree rows. This maintains a permanent soil cover year-round and promote crop diversification in the farm. Groundcovers must be controlled by mechanical mowing, chemical spraying or grazing in spring when olive trees are in a phenologically sensitive stage such as flowering. Along the season more than one control may be necessary. The control timing would change according to meteorological conditions but it must be taken care of the main crop to avoid competition. At least a strip should be left alive until it sets seed to allow self-seeding the next season, anyway the emergence must be assessed. In this regard there are species with more self-seeding capacity. With spontaneous flora the species have different cycles setting the seeds at different periods. Sometimes there is low seed bank in the soil, especially when the BAU used pre-emergence herbicide. Seeding groundcovers is recommended in this case. At least a strip should be left alive until it sets seed to allow self-seeding the next season, anyway the emergence must be

At least a strip should be left alive until it sets seed to allow self-seeding the next season, anyway the emergence must be

At least a strip should be left alive until it sets seed to allow self-seeding the next season, anyway the emergence must be

At least a strip should be left alive until it sets seed to allow self-seeding the next season, anyway the emergence must be

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