Keywords

Organic fertilizers; chemical fertilizers; biogas slurry; plant traits; biochar; soil health

References

[1] Tilman D, Cassman KG, Matson PA, Naylor R, Polasky S. Agricultural sustainability and intensive production practices. Nature. 2002;418(6898):671-677.

[2] Australian Bureau of Agricultural and Resource Economics and Sciences. Agricultural commodities and trade data.

[3] Food and Agriculture Organization. Effects of intensive fertilizer use on the human environment. Rome: FAO; 1972.

[4] Food and Agriculture Organization. The state of the world’s biodiversity for food and agriculture. Rome: FAO; 2019.

[5] United States Environmental Protection Agency. Nutrient pollution: the effects of excess nitrogen and phosphorus in water. Washington, DC; 2023.

[6] National Oceanic and Atmospheric Administration. What is eutrophication? causes and environmental impacts; 2022.

[7] United Nations Environment Programme. Global environment outlook. Nairobi: UNEP; 2021.

[8] Intergovernmental Panel on Climate Change. Climate change 2022: mitigation of climate change. Cambridge: Cambridge Univ Press; 2022.

[9] Macheix JJ, Fleuriet A, Billot J. Fruit phenolics. Boca Raton: CRC Press; 1990. 378 p.

[10] El-Khawaga AS, Maklad MF. Effect of combination between bio and chemical fertilization on vegetative growth, yield and quality of valencia orange fruits. HortScience J Suez Canal Univ. 2013;1:269-279.

[11] Galantini J, Rosell R. Long-term fertilization effects on soil organic matter quality and dynamics under different production systems in semiarid pompeian soils. Soil Tillage Res. 2006;87:72-79.

[12] Alom K, Akbar D, Xu CY, Dong TH. Assessing environment impacts of chemical fertilizers consumption in Australia: state-level evidence; 2025.

[13] Țopa DC, Căpșună S, Calistru AE, Ailincăi C. Sustainable practices for enhancing soil health and crop quality in modern agriculture: a review; 2025.

[14] Nikalje R, Jadhav S, Kajulkar S, Panmand P. Formulation and evaluation of organic fertilizer. Int J Res Sci Innov. 2025.

[15] Li Y, et al. Effects of organic fertilizer type and application rate on soil–microbe interactions, yield, and quality of greenhouse tomato. Plants. 2024.

[16] Zhou S, Chang T, Zhang Y, et al. Effects of organic fertilizer supply on soil properties, tomato yield, and fruit quality: a meta-analysis. Sustainability. 2023;15(3).

[17] Zhang X, et al. Effects of different combinations of organic fertilizers on the yield and quality of leafy vegetables. Sci Rep. 2025.

[18] Ersek K. Advantages and disadvantages of using organic fertilizer. Soil Sci News. 2021. https://soilsciencenews.ca/8-advantages-and-disadvantages-of-using-organic-fertilizer/.

[19] Li S, Li J, Zhang B, Li D, Li G, Li Y. Effect of different organic fertilizers application on growth and environmental risk of nitrate under a vegetable field. Sci Rep. 2017;7:17019. https://doi.org/10.1038/s41598-017-17219-y.

[20] Raghavendra M, Sharma MP, Ramesh A, Richa A, Billore SD, Verma RK. Soil health indicators: methods and applications. 2020. pp. 221-253.

[21] Food and Agriculture Organization. Integrated nutrient management. Rome: FAO; 2024.

[22] Agegnehu G, Bass AM, Nelson PN, Bird MI. Integrated nutrient management in crop production: a review. Agronomy. 2019;9(2):71.

[23] Biswas S, Das R, Jana K, Puste A. Integrated nutrient management on oat–grasspea intercropping system: evaluation of productivity, economics, energetics and carbon footprint. Sci Rep. 2024;14:19414.

[24] Zhang X, et al. Impact of long-term integrated nutrient management on soil carbon sequestration and greenhouse gas emissions in rice–wheat systems. Agric For Meteorol. 2025.

[25] Agegnehu G, et al. Comparative performance of integrated nutrient management using compost, fertilizers, and biofertilizers for improving soil properties and crop yields. Agronomy. 2020;10(10):1503.

[26] Singh A, et al. Impact of integrated nutrient management on soil microbiome diversity and soil health in rice-based cropping systems. Rhizosphere. 2025;33:101048.

[27] Rao KK, et al. Long-term impact of integrated nutrient management on sustainable yield index and soil quality in rice. Arch Agron Soil Sci. 2022;69(7):1-15.

[28] Azzam MR. The effect of sheep manure and phosphate fertilizer on the growth and yield of broad beans. Syrian J Agric Res. 2019;6(3):263-271.

[29] Sharm F. The effect of adding different types of organic and mineral fertilizers on the characteristics and productivity of pomegranate trees. Syrian J Agric Res. 2022;9(3):290-299.

[30] Al-Hamad IA, Al-Jarbu AR. The effect of several levels of fermented sheep manure and levels of nitrogen fertilization and their interaction on some growth and productivity characteristics of wheat plants. Syrian J Agric Res. 2021;8(3):220-235.

[31] Al-Khalaf AA, et al. The effect of organic and chemical fertilization on some morphological and grain productivity characteristics of durum and soft wheat varieties. Syrian J Agric Res. 2022;9(3):230-240.

[32] Ahmad L, et al. Effect of organic fertilization and corm planting rate on saffron flower productivity and the percentage of active ingredient therein. Damascus Univ J Agric Sci. 2023;39(3):17-30.

[33] Ibrahim M, et al. Effect of levels of organic fertilizer and biochar on the productive characteristics of potato plants. Syrian J Agric Res. 2021;8(3):143-153.

[34] Othman T, et al. Effect of mineral fertilizer and liquid biogas fertilizer on some vegetative growth characteristics and productivity of peanut crop. Syrian J Agric Res. 2022;9(1):220-234.

[35] Omran K, et al. Effect of organic and mineral fertilizer on some characteristics of valencia orange fruit juice. Damascus Univ J Agric Sci. 2023;39(3):43-60.

[36] Riya L, Saleh M. Effect of organic fertilization on productivity and oil percentage for the common thyme plant. Syrian J Agric Res. 2021;8(5):28-35.

[37] Qatma G, et al. The effect of organic farming systems on some soil properties and productivity indicators of the dheibli olive variety. Syrian J Agric Res. 2019;6(3):31-43.

[38] Kiwan S, et al. The effect of adding organic waste and foliar spraying with boron and zinc on some soil properties, fruit set rate, and quality characteristics of apples in the starking delicious variety. Syrian J Agric Res. 2018;5(2):177-188.

[39] Mida L, et al. The effect of adding different levels of phosphorus fertilization and biogas fertilizer on some soil fertility properties and peanut productivity. Syrian J Agric Res. 2020;7(5):336-349.

[40] Al-Sayed D, et al. The effect of different types of organic fertilizers on some soil properties and productivity of the qaisi olive variety in Homs governorate. Syrian J Agric Res. 2018;5(4):217-226.

[41] Mida L, et al. A study of the effect of different levels of nitrogen fertilizer and biogas fertilizer on the productivity of yellow corn and some soil properties. Syrian J Agric Res. 2016;4(2):120-128.

[42] Al-Jardi AK, et al. The effect of organic fertilization on the productive and qualitative characteristics of olive oil of the al-duaibali variety in Homs governorate, Syria. Syrian J Agric Res. 2020;7(6):320-335.