Soil fertility management in apple orchard with microbial biofertilizersстатья
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Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 7 июля 2021 г.
Авторы:
Kuzin A.,
Solovchenko A.,
Stepantsova L.,
Pugachev G.
Аннотация:Intensification of horticulture in Russia involves planting ofnew high-density orchards with drip irrigation and fertigation as well asintensification of the exploitation of traditional orchards. This approachinvolves an increase in mineral fertilizer application imposing the risk ofsoil fertility loss. For several reasons, the use of traditional organicfertilizers like manure in orchards is currently marginal. Although bacteriabasedbiofertilizers cannot substitute mineral fertilizers completely, theycan significantly reduce the need for mineral fertilizer application. Theeffect of microbial biofertilizers of the brands "Azotovit" (Azotobacterchroococcum), "Phosphatovit" (Bacillus mucilaginosus), as well as amixture of bacteria and the fungus, "Organic" (Azotobacter chroococcum,Bacillus subtilis, Bacillus megaterium, Trichoderma harzian) was studiedin two field experiments. In the experiment #1, the preparations "Azotovit"and "Phosphatovit" were delivered through a drip irrigation system invarious combinations with mineral fertilizers. In experiment #2, thepreparation "Organic" was also applied to the soil with irrigation water,also in combination with the mineral fertilizer. When solely applied, noneof the studied preparations changed significantly the soil nutrient contentand yield as compared with the variant fertilized by the mineral fertilizer atthe maximum studied application rate. The combination of the microbialbiofertilizer and mineral fertilizers applied at a low rate ensured the yieldcommensurate to that obtained under high-rate application of the mineralfertilizer.