{"id":2912,"date":"2020-10-06T05:40:53","date_gmt":"2020-10-06T05:40:53","guid":{"rendered":"https:\/\/diario.madrid.es\/huertosescolares\/?p=2912"},"modified":"2020-10-06T07:30:02","modified_gmt":"2020-10-06T07:30:02","slug":"extraccion-de-semillas-de-girasol","status":"publish","type":"post","link":"https:\/\/diario.madrid.es\/huertosescolares\/2020\/10\/06\/extraccion-de-semillas-de-girasol\/","title":{"rendered":"Extracci\u00f3n de semillas de girasol"},"content":{"rendered":"

Una de las sorpresas que nos encontramos en la vuelta al cole <\/em>son los girasoles listos para cosechar<\/em><\/span><\/h3>\n

 <\/p>\n

Es recomendable ir vigilando los girasoles para ver como se van formando las pipas y se van secando, y para estar atentas\/os a los p\u00e1jaros del huerto: \u00a1van a estar muy muy pendientes para comerse las pipas! Podemos ponerles una bolsa, preferiblemente de papel, para protegerlo.<\/p>\n

Es necesario esperar a que la planta termine de secarse en el bancal para poder extraer sus semillas.<\/p>\n

Una vez se hayan secado todas las pipas, cortamos el girasol y podemos empezar a extraerlas. Si tenemos m\u00e1s de un girasol, tambi\u00e9n podemos colgar la \u201ccabeza\u201d del girasol en un borde del huerto, para que se coman las semillas los p\u00e1jaros.<\/p>\n

\"\"<\/p>\n

 <\/p>\n

\n

\u00bfSab\u00edas que?<\/strong><\/span><\/h4>\n

La flor del girasol es en realidad una\u00a0inflorescencia<\/strong>, formada por much\u00edsimas peque\u00f1as flores individuales con dos morfolog\u00edas. Las flores del centro formar\u00e1n las pipas. Y las del exterior son las que tienen los p\u00e9talos, acabar\u00e1n sec\u00e1ndose. Los girasoles\u00a0adoran las matem\u00e1ticas:<\/strong>\u00a0su disposici\u00f3n sigue la frecuencia de Fibonacci,<\/a>\u00a0y dibujan una espiral perfecta, llamada \u201cla espiral de Fermat\u201d. La disposici\u00f3n de las flores\/ pipas de los girasoles ha sido estudiada e imitada por los\/as cient\u00edficos para crear \u201cgirasoles fotovoltaicos\u201d que proporcionan grandes cantidades de energ\u00eda renovable.<\/p>\n

\n

Os recordamos esta entrada<\/a> donde habl\u00e1bamos del cultivo de esta espectacular planta, tanto para los polinizadores como para nuestros sentidos.<\/p>\n","protected":false},"excerpt":{"rendered":"

Una de las sorpresas que nos encontramos en la vuelta al cole son los girasoles listos para cosechar   Es recomendable ir vigilando los girasoles para ver como se van formando las pipas y se van secando, y para estar atentas\/os a los p\u00e1jaros del huerto: \u00a1van a estar muy muy pendientes para comerse las […]<\/p>\n","protected":false},"author":128,"featured_media":2931,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[81,325,228,323],"class_list":["post-2912","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-consejos-hortelanos","tag-actividades","tag-extraccion-de-semillas","tag-girasol","tag-otono"],"yoast_head":"\nExtracci\u00f3n de semillas de girasol - Huertos escolares sostenibles<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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