Correction to: Response of wheat to combined application of nitrogen and phosphorus along with compost

다국어 초록 (Multilingual Abstract)

In order to achieve food security and increase crop productivity in a sustainable way; keeping soil fertile and balanced fertilization is vital. Soil fertility declining and unbalanced fertilization is one of the bottlenecks to sustainable agricultural production. To overcome these problems, a field experiment was conducted, with the aimed to explore the potential of organic and chemical nutrient sources with their optimal application and integration for sustainable wheat production. The experiment was conducted with twelve treatment combinations in a factorial approach with three replications, where one factor was the level of NP (Nitrogen and Phosphorus) fertilizer and the other compost, set in a randomized complete block design. The treatments were used four levels application of nitrogen and phosphorus fertilizer (NP) (0-0, 60-40, 90-70 and 120-100 kg/ha), three levels application of compost (0, 3 and 6 ton/ha). From the data collected and analyzed, results showed that there are significant differences among the compost application in all wheat yield and its component except harvest index. Application of 6 ton/ha compost was higher with plant height, spike length, number of seeds per spike, 1000 seeds weight, and biological yield. The sole application of NP (120-100 kg/ha) produced (6.19 ton/ha) grain yield whereas combined application of NP (120-100 kg/ha) along with compost (6 ton/ha) produced the higher grain yield (8.16 ton/ha). This clearly revealed that the combined application of NP and compost increase wheat yield by 27.45% over sole application of NP. The integrated application of organic and inorganic fertilizer increases the effectiveness of chemical fertilizer and enhances crop productivity.

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