1. Agbede TM, Adekiya AO, Eifediyi EK (2017). Impact of Poultry Manure and NPK Fertilizer On Soil Physical Properties and Growth and Yield of Carrot. Journal of Horticultural Research 25(1):81-88.
2. Agyeman K, Berchie JN, Gaisie E, Adomako J (2013). Synchronization of nutrient release from Glyricidia sepium with nutrient uptake by Maize through biomass decomposition. International Journal of Science and Advanced Technology 3:49-57.
3. Ahmad Z, Ali N, Ahmad M, Ulhag S, Ahmad S (2005). Yield and economics of carrot production in organic farming. Sarhad Journal of Agriculture 21(3):357-364.
4. Ahmad T, Amjad M, Iqbal Q, Nawaz A, Iqbal Z (2014). Integrated nutrient management practices improve growth and yield of carrot. Bulgarian Journal of Agricultural Science 20(6):1457-1465
5. Amanullah MM, Somasundaram E, Vaiyapuri K, Sathyamoorthi K (2007). Poultry manure to crops - A Review. Agricultural Reviews 28(3):216-222