Testing the Remanent Fertilizing Effect that the Compost Prepared with Slurry Resulted from Urban Treatment Plants Has on Corn Crops
2023
Benoni Lixandru | Neculai Dragomir | Viorel Pătroescu | Florica Morariu | Anca Pricop | Dumitru Popescu
Research was done on the remanent fertilizing effect that the compost resulted from treatment plant slurry and cellulosic waste has on corn growth and development. The fertilization was performed on chernozem soil from Banat plain region, by using three quantitative variations: 25 t, 50 t and 100 t of compost per ha. Research was done in the second year of compost fertilization. The greatest corn production was obtained on the variant fertilized with 50 t per ha, which provided a production gain of 19.9 % higher than the unfertilized variant. For the same variant, the corn production yield was also 5.34 % higher than the control sample. Although the corn production and the yield obtained in the variant of 100 t per ha fertilization were higher in comparison to the unfertilized variant (control sample) and to the level of 25 t per ha, these values were inferior to the level of 50 t per ha fertilization.
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