1. Adebisi, M.A., Ajala, M.O., Ojo, D.K. and Salau, A.W. 2005. Influence of population density and season on seed yield and its components in Nigerian sesame genotypes. J. Trop. Agric. 43: 13-18.
2. Angelini, L., Tozzi, G.S., Nassi, N. and Nasso, D. 2007. Differences in leaf yield and indigo precursors production in woad (Isatis tinctoria L.) and Chinese woad (Isatis indigotica Fort.) genotypes. Field Crop Res. 101: 285-295.
3. Annie Felicia, F. and Muthulingam, M. 2012. Phytochemical and HPTLC studies of methanolic extract of Indigofera tinctoria (Fabaceae). Int. J. Pharm. Life Sci. 3(5): 1670-1674.
4. Arancon, N.Q., Edwards, C.A., Bierman, P., Welch, C. and Metzger, J.D. 2005. Influence of vermicompost on field strawberries. Biores. Technol. 93: 145-153.
5. Atiyeh, R.M., Edwards, C.A., Sulber, S. and Metzger, J.D. 2001. Pig manure vermin compost as component of a horticultural bedding plant medium: effect on physiochemical properties and plant growth. Biores. Technol. 78:11-20.
6. Ayeen, A., and Shabani, M. 2005. Indigo agronomy (Neel) Indigofera tinctoria L. under hot and dry regions. Zeytoon. 186: 62-64. (In Persian)
7. Ayyobi, H., Olfati, J.A. and Peyvast, G.A. 2014. The effects of cow manure vermicompost and municipal solid waste compost on peppermint (Mentha piperita L.) in Torbat-e-Jam and Rasht regions of Iran. The Int. J. Recycl. Org. Waste Agric. 3: 147–15.
8. Azeez, J.O., Van Averbeke, W. and Okorogbona, A.O.M. 2010. Differential responses in yield of pumpkin (Cucurbita maxima L.) and nightshade (Solanum retroflexum Dun.) to the application of three animal manures. Biores. Technol. 101: 2499–2505.
9. Balfour-Paul, J. 1998. Indigo. British Museum Press, London, Pp: 1–264.
10.Bangar, V.A. and Saralaya, M.G. 2011. Anti-hyperglycaemic activity of ethanol extract and chloroform extract of Indigofera tinctoria leaves in streptozotocin induced diabetic mice (Family- Papilionaceae). Res. J. Pharm. Biol. Chem. Sci. 2(1): 445-455.
11.Bechtold, T., Turcanu, A., Geissler, S. and Ganglberger, E. 2002. Process balance and product quality in the production of natural indigo from Polygonum tinctorium Ait. applying low-technology methods. Biores. Technol. 81: 171– 177. 12.Berimavandi, A.R., Hashemabadi, D., Ghaziani, M.V.F. and Kaviani, B. 2011. Effects of plant density and sowing date on growth, flowering and quantity of essential oil of Calendula officinalis. J. Med. Plant Res. 5: 5110-5115.
13.Caliskan, M.E., Kusman, N. and Caliskan, S. 2009. Effects of plant density on the yield and yield components of true potato seed (TPS) hybrids in early and main crop potato production systems. Field Crop Res. 114: 223-232.
14.Campeol, E., Angelini, L.G., Tozzi, S. and Bertolacci, M. 2006. Seasonal variation of indigo precursors in Isatis tinctoria L. and Polygonum tinctorium Ait. as affected by water deficit. Environ. Exp. Bot. 58: 223–233.
15.Chanayath, N., Lhieochaiphant, S. and Phutrakul, S. 2002. Pigment extraction techniques from the leaves of Indigofera tinctoria Linn. and Baphicacanthus cusia Brem. and chemical structure analysis of their major components. CMUJ. 1(2): 149-160.
16.Chauhan, B.S. and Abugho, S.B. 2013. Effects of water regime, nitrogen fertilization, and rice plant density on growth and reproduction of lowland weed Echinochloa crus-galli. Crop Prot. 54: 142-147.
17.Chaves, F.C.M., Ming, L.C., Ehlert, P.A.D., Fernandes, D.M., Marques, M.O.M. and Meireles, M.A.A. 2002. Influence of organic fertilization on leave and essential oil production of Ocimum gratissimum L. Acta Hort. 576: 273-275. 18.Comlekcioglu, N., Efe, L. and Karaman S. 2015. Extraction of indigo from some Isatis species and dyeing standardization using low-technology methods. Braz. Arch. Biol. Technol. 58(1): 96-102.
19.El-Gendy S.A., Hosni A.M., Ahmed S.S., Ömer, E.A. and Reham, M.S. 2001. Variation in herbage yield and oil composition of sweet basil (Ocimum basilicum L.) var. ‘Grande Verde’ grown organically in a newly reclaimed land in Egypt. J. Agric. Sci. 9: 915-933.
20.Gilbert, K.G., Maule, H.G., Rudolph, B., Lewis, M., Vandenburg, H., Tozzi, S. and Cooke, D. 2004. Quantitative analysis of indigo and indigo precursors in leaves of Isatis spp. and Polygonum tinctorium. Biotechnol. Prog. 20: 1289– 1292. 21.Hekmati, M., Hadian, J. and Tabaei Aghdaei, S.R. 2012. Evaluating the effect of planting density on yield and morphology of savory (Satureja khuzistanica Jamzad). Ann. Biol. Res. 3: 4017-4022.
22.Hendawy, S.F., Ezz El-Din, A.A., Aziz, E. and Omer, E.A. 2010. Productivity and oil quality of Thymus vulgaris L. under organic fertilization conditions. Ozean J. Appl. Sci. 3: 203-216.
23.Karla, A. 2003. Organic Cultivation of Medicinal and Aromatic Plants. A Hope for Sustainability and Quality Enhancement. Journal of Organic Production of Medicinal, Aromatic and Dye-Yielding Plants (MADPs). FAO.
24.Kavimani, S., Jaykar, B., De Clercq, E., Pannecouque, C., Witvrouw, M. and De Clercq, E. 2000. Studies on anti-HIV activity of Indigofera tinctoria. Hamdard Med. 43(1): 5-7.
25.Khorramdel, S., Rezvani Moghaddam, P., Asadi, G.A., Seyedi, S.M. and Azizi, H. 2015. Effects of animal manure levels and bulb weights on yield, yield components and essential oil contents of black zira (Bunium persicum Bioss.). J. Plant Prod. Res. In Press (In Persian with English Summary)
26.Kizil, S., Arslan, N. and Khawar, K.M. 2007. Effect of different sowing densities on some characteristics of Isatis tinctoria L. and Isatis constricta Davis. and on the recovery of indicant. Acta Agron. Hung. 55(2): 251-260.
27.Koocheki, A., Bakhshaei, S., Tabarraei, A. and Jafari, L. 2014. Effect of plant density and planting pattern on quantitative and qualitative characteristics of Balangu (Lallenamntia royleana Benth.). J. Agroecol. 6(2): 229-237. (In Persian with English Summary)
28.Kun Lestari, W.F. 1998. Dyeing process with natural indigo: The Tradition and Technology. Revival Natural Indigo dye. Sept. 20-29.
29.Lee, J. 2010. Effect of application methods of organic fertilizer on growth, soil chemical properties and microbial densities in organic bulb onion production. Sci. Hort. 124: 299-305.
30.Lu, R.G. 1986. Determination of indirubin and indigo in natural indigo (Qingdai) with dual wavelength spectrometry. Chem. Pharml Bull. 21: 72-74.
31.Maier, W., Schumann, B. and Gröger, D. 1990. Biosynthesis of indoxyl derivatives in Isatis tinctoria and Polygonum tinctorium. Phytochemistry. 29: 817–819.
32.Mao, J., Olk, D.C., Fang, X., He, Z. and Schmidt-Rohr, K. 2008. Influence of animal manure application on the chemical structures of soil organic matter as investigated by advanced solid-state NMR and FT-IR spectroscopy. Geoderma. 146: 353–362.
33.Mehranzadeh, M. and Chenari, M. 2012. Study of the effects of plant density and planting methods on yield and yield components of Iranian borage (Echium amoenum) in Khusetan of Iran. Adv. Environ. Biol. 6: 1682-1687.
34.Mir, B., Ghanbari, A., Ravan, S. and Asgharipour, M. 2011. Effects of plant density and sowing date on yield and yield components of Hibiscus sabdarij in Zabol region. Adv. Environ. Biol. 5: 1156-1161.
35.Motta, S.R. and Maggiore, T. 2013. Evaluation of nitrogen management in maize cultivation grows on soil amended with sewage sludge and urea. Europ. J. Agron. 45: 59-67.
36.Mozaffarian, V.A. 2006. Culture of Iranian Names. Publishing Contemporary Culture, Tehran, 740p. (In Persian) 37.Mukherjee, B.S.K. 2001. Textbook of Soil Science, 2/E. Tata McGraw-Hill Education, 1 Nov. 433p.
38.Muthulingam, M., Mohandoss, P., Indra, N. and Sethupathy, S. 2010. Antihepatotoxic efficacy of Indigofera tinctoria (Linn.) on paracetamol induced liver damage in rats. Int. J. Pharm. Biomed. Res. 1(1): 13-18.
39.Nadkarni, K.M. 1998. Indian Medicinal Plants and Drugs-with their Medicinal Properties and Uses. Asiatic Publishing House New Delhi. 450p.
40.Padmavathiamma, P.K., Li, L.Y. and Kumari, U.R. 2008. An experimental study of vermin-biowaste composting for agriculture soil improvement. Biores. Technol. 99: 1672-1681.
41.Patra, D.D., Anwar, M. and Chand, S. 2000. Integrated nutrient management and waste recycling for restoring soil fertility and productivity in Japanese mint and mustard sequence in Uttar Pradesh, India. Agric. Ecosyst. Environ. 80: 267- 275.
42.Rahbarian, P. 2014. Effects of manure on growth medical plant in dragonhead (Dracocephalum moldavica). Europ. J. Exp. Biol. 4(2): 357-360.
43.Ren, X., Zhang, L., Du, M., Evers, J.B., Van der Werf, W., Tian, X. and Li, Z. 2013. Managing mepiquat chloride and plant density for optimal yield and quality of cotton. Field Crop. Res. 149: 1-10.
44.Sabet Teimouri, M., Koocheki, A. and Nassiri Mahallati, M. 2012. Comparison of essential oil percent of Gol-e-Arvaneh Bezghi (Hymenocrater platistegius Rech. F.) in six habitats of Khorasan province, Iran. Int. J. Agric. Crop Sci. 12: 643-646. 45.Sales, E., Kanhonou, R., Baixauli, C., Giner, A., Cooke, D., Gilbert, K., Arrilaga, I., Segura, J. and Ros, R. 2006. Sowing date, transplanting, plant density and nitrogen fertilization affect indigo production from Isatis species in a Mediterranean region of Spain. Ind. Crop Prod. 23: 29-39.
46.Sarhadi, H., Afsharmanesh, G.R. and Mokhtari, Z. 2012. Effect of drought stress on some morphological traits and seed yield of indigo (Indigofera tinctoria L.) under different levels of nitrogen. Trends Life Sci. 3(4): 74-78.
47.Savithramma, N.C.H. and Rao, S.K.N. 2007. Treatment in asthma of dry powder of Indigofera tinctoria Linn. J. Ethnopharmacol. 113: 54-61.
48.Scheffer, M.C., Ronzelli Junior, P. and Koehler, H.S. 1993. Influence of organic fertilization on the biomass, yield and yield composition of the essential oil of Achillea millefolium L. Acta Hort. 331: 109-114.
49.Shalaby, A.S. and Razin, A.M. 2009. Dense cultivation and fertilization for higher yield of thyme (Thymus vulgaris). J. Agron. Crop Sci. 168: 243–248.
50.Sharma, R.N. and Prasad, R. 1990. Effect of seed rates and row spacing in fennel cultivars. Ind. J. Agron. 35: 455-456. 51.Sharpley, A.N., McDowell, R. and Kleinman, P.J.A. 2004. Amounts, forms, and solubility of phosphorus in soils receiving manure. Soil Sci. Soc. Am. J. 68: 2048-2057.
52.Stoker, K.G., Cooke, D.T. and Hill, D.J. 1998. An improved method for the large-scale processing of woad (Isatis tinctoria) for possible commercial production of woad indigo. J. Agric. Eng. Res. 71: 315-320.
53.Teanglum, A. 2006. A study of botany characteristics, an increase of leaves produce, an amount of color, and powdered indigo dye of the curved pod indigo plant (Indigofera tinctoria. L.). Faculty of Agricultural Technology, Sakon Nakhon Rajabhat Unbiversity.
54.Teanglum, A., Teanglum, S. and Saithong, A. 2012. Selection of indigo plant varieties and other plants that yield indigo dye. Procedia Eng. 32: 184-190.
55.Tindal, D.L., Dufault, R.J., David Gangemi, J., Rushing, J. and Boyleston, L.J. 2002. Prodtion and development of Nutraceuticals as alternative crops: implications for certification and branding: Part I. (Final Report Submitted to USDA-AMS, FSMIP), 25 November.
56.Tyagi, P.K., Rai, V.K., Pahria, A.K., Sambath Kumar, S., Singh, Y., Sharma, M. and Goyal, M. 2010. Preliminary phytochemical screening and evaluation of anti-inflammatory activity of ethanolic extract of leaves of Indigofera tinctoria Linn. J. Curr. Pharm. Res. 3(1): 47-50.
57.Weber, J., Kocowicz, A., Bekier, J., Jamroz, E., Tyszka, R., Debicka, M., Parylak, D. and Kordas, L. 2014. The effect of a sandy soil amendment with municipal solid waste (MSW) compost on nitrogen uptake efficiency by plants. Europ. J. Agron. 54: 54-60.
58.Yaniv, Z. and Bachrach, U. 2005. Handbook of Medicinal Plants. Food Products Press and the Haworth Medical Press, 500p.
59.Yanive, Z. and Palevitch, D. 1982. Effect of Drought on the Secondary Metabolites of Medicinal and Aromatic Plants. In: “Cultivation and Utilization of Medicinal Plants”. (Eds.): Atal, C.K., and Kapur, B.M., CSIR Jammu-Tawi, India, 1-22p. 60.Zhang, S., Liao, X., Zhang, C. and Xu, H. 2012. Influences of plant density on the seed yield and oil content of winter oilseed rape (Brassica napus L.). Ind. Crop Prod. 40: 27-32.