Influence of agrochemicals and Azotobacter sp. application on soil fertility in relation to maize growth under nursery conditions

Bu çalismada, tarim kimyasallarinin sebep oldugu etkiler analiz edilmeye çalisilmistir. Tarim kimyasallarinin en iyi alternatifi biyogübrelerdir. Ürün eldesi ve toprak verimliliginin tekrar kazanilmasi için biyogübrelerin oynadigi faydali rol iyi anlasilmalidir. Bu sebeple, mevcut çalisma, tarim kimyasallari [gübreler (üre), mantar öldürücü (carbendazim) ve böcek öldürücü (endosulfan)] ile biyogübreleri (Azotobacter sp.) karsilastirmaktadir. Deneyler, fidanlik sartlarindaki darilar üzerinde ve mevcut Tamamen Raslantisal Blok Tasarim (TRBT) yönteminde degisiklikler yapilarak gerçeklestirilmistir. Yukarida bahsedilen uygulamalarin etkileri dari büyümesi, fitokimyasal yogunluklar, toprak verimlilik seviyeleri ve mikrobiyal popülasyon bazinda arastirilmistir. Azotobacter sp. uygulamasi ve tavsiye edilen üre dozu diger tarim kimyasallari ile karsilastirildiginda iyi sonuç vermistir. Tarim kimyasallarinin yogunlugu arttikça, bitki büyümesi azalmistir. Bu çalismadan, tarim kimyasallari kullaniminin, genelde bitkinin biyotik özelliklerini ve toprak ekolojisini ciddi sekilde rahatsiz ettigi anlasilmistir.

Fidanlik sartları altında darı büyümesi ve toprak verimliligi ile ilgili tarım kimyasallari ve Azotobacter sp. uygulaması

In the present study, the effort has been taken to analyze the effects caused by agrochemicals. The best alternative to agrochemicals is biofertilizers. It is necessary to understand the beneficial role played by biofertilizer in crop production and regaining the soil fertility. Thus, the present study compares the effect of agrochemicals [fertilizers (urea), fungicide (carbendazim) and insecticide (endosulfan)] and biofertilizers (Azotobacter sp.) on maize under nursery trials were carried out in Complete Randomized Block Design (CRBD) by altering the present recommendation. The effect of above-mentioned treatments was studied based on the maize growth, phytochemical concentrations, soil fertility level and microbial population. The treatment with Azotobacter sp. and actual recommended dose of urea were performing well when compared to other agrochemical treatments. The higher the concentration of agrochemical application, lower is the plant growth. It is incurred from the study that generally the usage of agrochemicals was seriously disturbing plant biotic characters and soil ecology.

Kaynakça

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Kaynak Göster

  • ISSN: 1307-9867
  • Yayın Aralığı: Yılda 0 Sayı
  • Başlangıç: 2018

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