1. Salmon I. Effect of the internal and external factors on yield and qualitative-quantitative characteristics of chamomile essential oil. In: Proceedings of the First International Symposium on Chamomile Research, Development and Production. Presov, Slovakia. 2007;45-64.
2. Reichinger, KH. Flora Iranica. 1977; 22: 82-88.
3. Wagner C, Friedt W, Marquard RA, Ordon F. Molecular analysis on the genetic diversity and inheritance of (-)-alpha-bisabolol and chamazulene content in tetraploid chamomile (Chamomilla recutita (L.) Rauschert. Plant Sci. 2005;169:917-92 .
4. Karlen DL, Mausbach MJ, Doran JW, Cline RG, Harries RF, Schuman GE. Soil quality: A concept, definition and framework for evaluation. Soil Sci Soc Am J. 1997;61:4-10.
5.Hadj Seyed Hadi M, Noormohamadi G, Masoud Sinaki J, Khodabandeh N, Yasa N, Darzi, MT. Effects of planting time and plant density on flower yield and active substance of chamomile (Matricaria chamomilla L.). In: Fourth International Crop Science Congress, Brisbane, Australia. 2004.
6. Edwards CA. The use of earthworms in the breakdown and management of organic wastes. In: Earthworm Ecology. CRC Press LLC, Boca Raton. 1998;327-354.
7. Atiyeh RM, Lee SS, Edwards CA, Arancon NQ, Metzger JD. The influence of humic acid derived from earthworm processed organic wastes on plant growth. Biores Technol. 2002;84:7-14.
8. Muscolo A, Bovalo F, Gionfriddo F, Nardi F. Earthworm humic matter produces auxin-like effects on Daucus carota cell growth and nitrate metabolism. Soil Biol Biochem. 1999;31:1303–1311.
9. Goswami B, Kalita MC, Talukdar S. Bioconversion of municipal solid waste through vermicomposting. Asian. J Microbiol Biotech Environ Sci. 2001;3:205-207.
10. Atiyeh RM, Arancon NQ, Edwards CA, Metzger JD, Shuster W. Effect of vermicomposts and composts on plant growth in horticulture container media and soil. Pedobiologia. 2000;44:579-590.
11. Pashanasi B, Lavelle P, Alegre J, Charpentier F. Effect of the endogeic earthworm, Pontoscolex corethrurus on soil chemical characteristics and plant growth in a low-input tropical agroecosystem. Soil Biol Biochem. 1996;28(6):801–808.
12. Roy S, Arunachalam K, Kumar Dutta B, Arunachalam A. Effect of organic amendments of soil on growth and productivity of three common crops viz. Zea mays, Phaseolus vulgaris and Abelmoschus esculentus. Appl Soil Ecol. 2010;45:78-84.
13. El-Shabasi MS, Mohamed SM, Mahfouz SA. Effect of foliar spray with amino acids on growth, yield and chemical composition of garlic plants. The sixth Arabian Conference for Horticulture, Ismailia, Egypt. 2005.
14. Awad EMM, Abd El-Hameed AM, Shall ZS. Effect of glycine, lysine and nitrogen fertilizer rates on growth, yield and chemical composition of potato. J. Agric. Sci. Mansoura Univ. 2007;32:8541-8551.
15. Kamar ME, Omar A. Effect of nitrogen levels and spraying with aminal-forte (amino acids salvation) on yield of cucumber and potatoes. J Agric Sci Mansoura Univ. 1987;12(4):900-907.
16. Letchamo W, Marquard R. The pattern of active substances accumulation in chamomile genotypes under different growing conditions and harvesting frequencies. Acta Hort. 1993;331:357-364.
17. Azizi M, Rezvani F, Hassan Zadeh Khayat M, Lekzian A, Nemati A . Effects of vermicompost and irrigation on morphological traits and essential oil of chamomile. Iranian J Med Plants Spices Res. 2009;24:82-93.
18. Darzi MT, Ghalavand A, Rejali F, Sephidkon F. Effects of Biofertilizers Application on yield and yield components in fennel (Foeniculum vulgare Mill.). Iranian J Med Aroma Plants. 2007;22:276-292.
19. Hadj Seyed Hadi MR, Darzi MT, Riazi GH, Ghandehari Z. Effects of vermicompost and amino acids on the flower yield and essential oil production from Matricaria chamomile L. J Med Plants Res. 2011; 5:5611-5617.
20. Arancon NQ, Edwards CA, Bierman P, Welch C, Metzger JD. Influences of vermicompost on field strawberries: 1. Effects on growth and yields. Biores Technol. 2004;93:145-153.