Irrigación - History Lab https://historylab.es Wed, 18 May 2022 14:43:41 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://historylab.es/wp-content/uploads/2021/06/cropped-icono-historylab-32x32.jpg Irrigación - History Lab https://historylab.es 32 32 Sanded agriculture on Lanzarote: vineyards https://historylab.es/sanded-agriculture-on-lanzarote-vineyards/?utm_source=rss&utm_medium=rss&utm_campaign=sanded-agriculture-on-lanzarote-vineyards Sat, 19 Feb 2022 16:32:18 +0000 https://historylab.es/2022/02/19/agricultura-en-enarenado-en-lanzarote-vinedos/ Resource showing how vineyards are planted under adverse climatic conditions with volcanic materials on the island of Lanzarote

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]]> The expansion of vineyards on the island of Lanzarote took place in the mid-18th century. After the episodes of volcanic eruptions in the 1730s, the planting of grapes gained strength on the island with the productive restructuring that took place; the must was boosted and was destined for the production of brandy, which was sold in the American territories of Spain. But what was the system used to make the grapes withstand the climatic conditions? Lapilli”, small fragments of lava thrown up by volcanoes. This material captures the ambient humidity and transfers it to the mantle of the topsoil, providing water in environments with scarce rainfall. The procedure was as follows: they dug holes to plant the vine in the ground and covered the hole with lapilli and, at the top, surrounded the cleft with dry stone to avoid extreme heat temperatures. In this way, vineyards proliferated in Lanzarote, reaching a value of 1,429,491 reales at the end of the 18th century.

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]]> Sanded agriculture on Lanzarote: water crops https://historylab.es/sanded-agriculture-on-lanzarote-water-crops/?utm_source=rss&utm_medium=rss&utm_campaign=sanded-agriculture-on-lanzarote-water-crops Sat, 19 Feb 2022 16:32:18 +0000 https://historylab.es/2022/02/19/agricultura-en-enarenado-en-lanzarote-cultivos-hidricos/ Resource showing how to grow crops that require water in Lanzarote, using volcanic elements and sanding techniques

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]]> The volcanoes, although they caused destruction and losses of cereals and livestock, brought about new forms of agriculture using volcanic materials. On the island of Lanzarote, following the eruption of the volcano in the 1730s, a process of agricultural transformation took place. The technique of sanding, which consisted of covering the soil with a layer to buffer the climatic conditions, found its maximum expression on the island with “lapilli”, a volcanic material with a hygroscopic effect (accumulation of ambient humidity). With this method, the soil was covered with lapilli, where the seeds were planted, and ploughed. With the volcanic material, the scarce autumn rains were sufficient to irrigate crops that required water, such as vegetables, pulses or potatoes.

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