| At the same time, shrublands and forests began to be cleared and converted to dry farming. |
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| They did not clear or deforest wide areas as they would have done if they had based their economy on a dry farming system. |
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| The key ecological problem was that this enormous growth of dry farming crops took place on the steep slopes of the mountain ranges. |
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| Outside these regions the average profitability of dry farming is noticeably less. |
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| Farming and stockbreeding represent a major part of the economy, with dry farming and livestock farms dominating. |
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| But in California, where irrigation is now the norm, dry farming has become a forgotten art. |
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| Yields show an upward trend despite marked fluctuations due to the effect of drought on dry farming. |
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| Another uncertainty factor is the liberalisation of the areas for cultivation, such as the vineyard, in 2013 that can signify a foreseeable start of irrigation of surfaces previously used as dry farming. |
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| A quarter of the district is given up to dry farming, largely cereals, except the central plain, which houses olives, almonds, hazelnuts and vines, the latter covering most of the sloped oriented towards L'Alt Penedés. |
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| Nuts, as the Commissioner knows, are a crop grown in parts of southern Europe, in arid and semiarid areas, where there are often few alternatives to dry farming. |
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| Dry farming will suffer increased water stress, but high temperatures have the effect of blocking the phenological stages of certain crops, driving yield down even in non-constraint water conditions. |
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