Maaperätestien erot ravinnepuutosten osoittamisessa

18.06.2022 | Uudistava viljely Tieteellinen artikkeli

Artikkelin otsikko: Do different agronomic soil tests identify similar nutrient deficiencies?

Tekijät: Mattila, Tuomas & Rajala, Jukka

Julkaisu: Soil Use and Management

Vuosi: 2021

Tutkimuksessa verrattiin viittä kaupallisesti saatavilla olevaa maaperätestiä, joilla arvioidaan maaperän ravinnetasoja. Vertailuun käytetyt maaperänäytteet oli kerätty 24 pellolta lyhytaikaisen maaperän laatukokeen (4 vuoden) aikana. Eri testit näyttivät eri suuruusluokan tuloksia ravinnemäärille, mutta testien tulokset kuitenkin korreloivat keskenään, eli tulokset olivat suhteellisesti samankaltaisia. Kuitenkin testit näyttivät keskenään erilaisia puutteita ravinteissa. Paikallista kalibraatiota tarvitaan ravinnepuutosten osalta testin suositusten tulkintaan. Näitä testejä tuleekin käyttää vain täydentävänä tietona, eivätkä ne korvaa kasvisolukkotestejä.

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Maaperätestien erot ravinnepuutosten osoittamisessa

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