Long-Term Fertilization Effect on Agronomic Yield and Soil Organic Carbon under Semi-Arid Mediterranean Region
Journal of Experimental Agriculture International · pp. 1086–1102 · Published 26 Apr 2014
10.9734/AJEA/2014/8670Abstract
Management practices, including use of organic and inorganic fertilizers, significantly affect soil organic carbon (SOC) pool and agronomic yield. Crop yields in semi-arid regions of Turkey are declining because of depletion of SOC pool and the attendant decline in soil quality. Thus, this study was conducted to assess the effects of inorganic and organic fertilizer treatments (control, chemical fertilizer, animal manure, compost and compost + mycorrhizal inoculation) on SOC pool and agronomic yield in a long-term field experiment initiated in 1996 on the Mediterranean coast of Turkey. The SOC pool under different soil fertilizer management treatments was related to agronomic yield of pepper, wheat and maize. Biomass production increased as the SOC concentration increased with the application of organic and mineral (inorganic) fertilizers compared with the control. Between 1996 and 2010, the SOC concentration in 0-15 cm depth of the unfertilized control decreased from 0.96% to 0.87%. In comparison, SOC concentration increased in treatments amended with organic fertilizers such as manure, compost and compost+mycorrhzae. Agronomic yield was also significantly affected by organic and inorganic fertilizer treatments, which declined over time in the control but increased in treatments receiving compost, manure and compost + mycorrhizae. The negative regression was obtained in control treatments between SOC and the wheat yield (Y = -1.18x + 3.84, R2=0.205) and maize yield (Y = -1.28x + 7.56, R2=0.016). Additional research is needed to assess the role of fertilizers on SOC concentration and its effects on agronomic yields under long-term soil and crop management systems especially with mycorrhizal inoculation.
Cited by 14
Department of Soil Science and Plant Nutrition, Faculty of Agriculture, University of Cukurova, Adana, Turkey, Veysi Akşahin, Mehmet Işik · International Journal of Agricultural and Applied Sciences · 2021
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Department of Soil Science and Plant Nutrition, Faculty of Agriculture, Çukurova University, Türkiye, Nadia A. Si. El. Ahmed, Feyzullah Öztürk · International Journal of Agricultural and Applied Sciences · 2023
Department of Soil Science and Plant Nutrition, Faculty of Agriculture, University of Cukurova, Adana, Turkey, Veysi Aksahin, Busra Nur Gulunay · International Journal of Agricultural and Applied Sciences · 2023
Xue Yang, Xinhui Yan, Qian Guo · Journal of Soil Science and Plant Nutrition · 2022
Cukurova University, Soil Science and Plant Nutrition Department, Adana, Turkey, Ibrahim Ortas · International Journal of Agricultural and Applied Sciences · 2022
Showing 9 of 14 known citations — external sources report more than can currently be individually listed.
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