Apie viską po truputį

Derviniai augalai

Derviniais augalais vadiname dervas sintetinančius medžius, krūmus ir žolinius augalus. Dervos augaluose kaupiasi stiebe, lapuose, žievėje, sėklose. Dervas augalai išskiria natūraliai arba juos pažeidus. Dažniausiai dervos turi antiseptinių medžiagų, ore ir šviesoje kietėja, taip apsaugodamos augalą nuo kenkėjų ir ligų.

pušų sakų rinkimasPagal konsistenciją natūralios dervos skirstomos į skystąsias, minkštąsias ir kietąsias. Natūralios dervos ir jų produktai naudojami medicinoje, parfumerijoje, izoliacinių medžiagų, lakų, kitų dirbinių gamyboje.

Svarbiausi Lietuvoje augantys derviniai augalai yra pušys, eglės, maumedžiai ir kadagiai, iš kurių sakų gaminamas terpentinas, medicininis balzamas ir kiti gaminiai. Iš žolinių augalų dervas kaupia šventagaršvės, žiognagės, amalai, pipirlapė, tamsioji plautė, ajerai, dirvoninis dobilas, islandinė kerpena ir kiti.

This Post Has 8 Comments

  1. I simply want to say I’m new to blogging and absolutely loved this website. Probably I’m going to bookmark your site . You absolutely have impressive article content. Cheers for sharing with us your webpage.

  2. Youre so cool! I dont suppose Ive read anything similar to this before. So nice to get somebody by incorporating original applying for grants this subject. realy appreciate starting this up. this fabulous website is one thing that is needed on the web, somebody if we do originality. valuable project for bringing new stuff on the internet!

  3. Good day I am so glad I found your web site, I really found you by mistake, while I was looking on Aol for something else, Regardless I am here now and would just like to say thank you for a fantastic post and a all round enjoyable blog (I also love the theme/design), I don’t have time to browse it all at the moment but I have book-marked it and also added your RSS feeds, so when I have time I will be back to read a great deal more, Please do keep up the awesome work.

  4. How can I get the computer in one room to send stuff to the printer on my computer in another room. Internet?

  5. not including myspace and facebooke and that where blogging is just an instalment.. More like blogger. Which one is used the most and reaches the highest amount of people?.

  6. What is the top blogging site in the United States?

  7. May i basically state such a reduction to search out somebody who actually is conscious of what they will be speaking about on the web. An individual unquestionably realize easy methods to deliver a problem to mild and make that crucial. Additional individuals need to read this particular and see this aspect of the tale. My partner and i can’t think about you are you can forget common as you favorably possess the present.

  8. I want to do a live webcast, but I can’t figure out how to do it on the Blogger platform. Can anyone give me some direction?. . Thanks!.

Leave a Reply

Close Menu