Organik Tarımda Kullanılan Bazı Organik Gübrelerin Topraktaki Mikrobiyal Aktivite Üzerine Etkisi

Nur Okur; H.hüsnü Kayıkçıoğlu; Gülhan Tunç; Yüksel Tüzel

EN TR

Organik Tarımda Kullanılan Bazı Organik Gübrelerin Topraktaki Mikrobiyal Aktivite Üzerine Etkisi

Öz

Bu araştırmanın amacı, piyasada organik tarıma yönelik satılan bazı organik gübrelerin, kışlık sebze bitki örtüsü altındaki toprakların mikrobiyal biyokütle ve enzim aktivitesi üzerindeki etkilerini araştırmaktır. Bir tarla denemesi şeklinde yürütülen çalışmada, 3 organik gübre ( Biofarm, Leonardit ve Hümik asit) ve 4 sebze bitkisi (marul, havuç, roka ve maydanoz) kullanılmıştır. Sebzelerin organik ve konvansiyonel tarım sistemine göre yetiştirildiği denemede konular Biofarm, Biofarm+Leonardit, Biofarm+Humik asit ve Konvansiyonel tarım şeklinde olmuştur. Deneme süresince iki kez alınan toprak örneklerinde mikrobiyal biyokütle, dehidrogenaz, β-glukozidaz, alkalin fosfataz ve proteaz aktiviteleri saptanmıştır. Toprağa uygulanan gübrelerin ve yetiştirilen bitki çeşidinin mikrobiyal biyokütle, dehidrogenaz, β-glukozidaz, alkalin fosfataz ve proteaz aktiviteleri üzerindeki etkisi %1 düzeyinde önemli olmuştur. Biofarm gübresinin uygulandığı tüm parsellerde mikrobiyal biyokütle ve enzim aktivitesi oldukça yükselmiştir. Biofarm uygulamaları ile mikrobiyal biyokütle miktarı konvansiyonel tarıma oranla ortalama % 77, dehidrogenaz % 175, β-glukozidaz %55, alkalin fosfataz % 44 ve proteaz % 69 oranında daha fazla saptanmıştır. Leonardit ve humik asidin mikrobiyal biyokütle ve enzim aktivitesi üzerine farklı bir etkisi ortaya çıkmamıştır

Anahtar Kelimeler

Organik gübre, mikrobiyal biyokütle, enzim aktivitesi, sebze

Kaynakça

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Ayrıntılar

Birincil Dil

Türkçe

Konular

-

Bölüm

-

Yazarlar

Nur Okur Bu kişi benim

H.hüsnü Kayıkçıoğlu

Gülhan Tunç Bu kişi benim

Yüksel Tüzel Bu kişi benim

Yayımlanma Tarihi

1 Haziran 2007

Gönderilme Tarihi

25 Kasım 2015

Kabul Tarihi

-

Yayımlandığı Sayı

Yıl 2007 Cilt: 44 Sayı: 2

IZ

https://izlik.org/JA49PL97LG

APA

Okur, N., Kayıkçıoğlu, H., Tunç, G., & Tüzel, Y. (2007). Organik Tarımda Kullanılan Bazı Organik Gübrelerin Topraktaki Mikrobiyal Aktivite Üzerine Etkisi. Journal of Agriculture Faculty of Ege University, 44(2), 65-80. https://izlik.org/JA49PL97LG