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A Kreybig-fele felmeresb?l szarmazo talajtani adatok modszertani elemzese


, : A Kreybig-fele felmeresb?l szarmazo talajtani adatok modszertani elemzese.

Munk nkban els?sorban az alapvizsg latok k r be tartoz talajvizsg lati m dszerek (Arany-f le k t tts g, k mhat s, hidrolitos acidit s, karbon t-, v zben oldhat sszes s -, s humusztartalom) Kreybig t rk pez s idej n alkalmazott, illetve a mai gyakorlatnak megfelel?, m dszerk nyvek alapj n t rt n? sszehasonl t rt kel s t c loztuk meg, hogy ezzel bemutassuk a Digit lis Kreybig Talajinform ci s Rendszerben (DKTIR) t rolt arch v adatok alkalmazhat s g t s megb zhat s g t, illetve ez ut bbit a lehet?s gekhez k pest sz mszer?s ts k. A m dszertani sszevet seken t l r szletesen vizsg ltuk a humusztartalom m r s re kor bban alkalmazott permangan tos, ill. a k s?bb elterjedt Tyurin-f le m dszer egyes teljes tm nyjellemz?it. A k t m dszerrel kapott eredm nyeket sszehasonl tottuk egy t z mint b l ll , Bodrogk zb?l sz rmaz talajminta-sorozaton. R viden sszefoglaltuk a szemcse sszet tel s a kicser lhet? kationok meghat roz s ra kor bban alkalmazott m dszerek mait l val elt r s t. Meg llap t sainkat a k vetkez?kben foglaljuk ssze. A le r sok alapj n egy rtelm?, hogy a mintav telez s s a talajmint k el?k sz t se a maival azonos m don t rt nt. Az Arany-f le k t tts gi sz m meghat roz sa k zi kever ses m dszerrel t rt nt, amely kisebb mintasz mn l ma is haszn latos, m g sorozatm r sekn l a g pi kever s elj r s a ma elterjedt, mely k t tt talajok eset ben a k zi kever sesn l ltal ban kisebb rt ket ad. A pH- rt ket kor bban is elektrometri s m dszerrel hat rozt k meg, a sz nsavas m sz, illetve hidrolitos acidit s m r se is a maival azonos elven s technik val t rt nt. Ezek eredm nyei teh t a kor bbiakkal teljes m rt kben sszehasonl that k.Az eddigi m r si eredm nyek alapj n meg llap that , hogy a humusztartalomra vonatkoz permangan tos s Tyurin-f le m dszerek eredm nyeinek konverzi j hoz nem lehet egy egys ges v lt sz mot rendelni, a m r si eredm nyek nem f ggetlenek a talajmint k mechanikai sszet tel t?l. Agyag- s v lyogmint k eset ben a bikrom tos roncsol s 1 1%-kal nagyobb humuszeredm nyt adott, m g a homokmint k eset n ez csaknem 15%, a permangan tos eredm ny jav ra . A szemcse sszet telre, illetve kicser lhet? kationok meghat roz s ra szolg l m dszerek v ltoz sa miatt a kor bbi eredm nyek t j koztat adatk nt vehet?k figyelembe.

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