Ahmad, I. I., M. Asif, A. Amjad and S. Ahmad (2011). Fertilization enhances growth, yield, and xanthophyll contents of marigold. Turk J. Agric., 35: 641-648.
Alam, S.M. and M.A. Khan (1999). Importance of fertilizer. Mar 01 - 07,1999. Available at :http://www.pakistaneconomist.com /database2/ cover/c99 -10. asp
Ali, A., Sh. Ur-Rehman, R. Hussain, S. Raza, M. Sarwar, A. Bashir and M. A. Khan (2014). Enhancing the vase life of tulip (Tulipa gesneriana l.) using various pulsing solutions of humic acid and NPK. Int. J. of Plant, Animal and Env. Sci.., 4(2): 193- 200.
Ali, A., Sh. Ur-Rehman, S. Ul Allah and S. Raza (2015). Combined effect of humic acid and NPK on growth and flower development of Tulipa gesneriana in Faislabad, Pakistan. IJAVMS Int. J. Agric., 9(1): 18-28.
Alqudami, A. and S.Annapoorni (2007). Fluorescence from metallic silver and iron nanoparticles prepared by exploding wire technique, Plasmonics, 2(1) 5-13.
Amirnia, R., M. Bayat and M. Tajbakhsh (2014). Effects of nano fertilizer application and maternal corm weight on flowering at somesaffron (Crocus sativus L.) ecotypes. Turk. J. Field Crops, 19(2): 158-168.
Asif, M. (2008). Effect of Various NPK Levels on Growth, Yield and Xanthophyll Contents of Marigold. MSc Thesis. Inst. Hort. Sci. Univ. Agric. Faisalabad, Pakistan.
Ayas, H. and F. Gulser (2005). Use of humic acid for improving soil organic matter and increasing crop yield. J. Biol. Sci., 5(6): 801-804.
Bosma, T.L., J.M. Dole and N.O. Maness (2003). Crop ecology, management and quality: Optimizing marigold (Tagetes erecta L.) petal and pigment yield. Crop Sci., 43: 2118-2124.
Brown, J. D. and O. Lilland (1964). Rapid determination of potassium and sodium in plant material and soil extracts by flame photometry. Poc. Amer. Soc. Hort. Sci., 73:813-821.
Csirzinsky, A.A. (1999). Yield response of herbs to N and K in sand in multiple harvests. J. Herbs. Spices and Medic. Plants, 6(4):11-22.
Dole, J. M. and H. F. Wilkins (2005). Floriculture Principles and Species. Prentice- Hall, Inc. USA. 1023 p.
El- Sayed, B., A. and S.A. El-Shal (2008). Effect of growing media and humic acid on Schefflera quality (Brassaia actinophylla ). J. Agric. Sci. Mansoura Univ., 33 (1):371-381,2008.
Gadagi, R. S., P. U. Krishnaraj, J. H. Kulkarni and T. Sa (2004). The effect of combined Azospirillum inoculation and nitrogen fertilizer on plant growth promotion and yield response of the blanket flower Gaillardia pulchellaSci. Hort., 100: 323–332.
Gomez, A.K. and A.A. Gomez (1984). Statistical procedures for Agricultural Research. (2nd edition). John Wiley and Sons. New York.
Hartwigson, J.A. and M.R. Evans (2000). Humic acid seed and substrate treatments promote seedling root development. Hort. Sci., 35 (7): 1231-1233.
Herbert, D., P. Phipps and J. Strange (1971). Determination of total carbohydrate Methods in Micrbiology, 5(8):290-344.
Higa, T. and G. N. Wididana (1991). Changes in the soil microflora induced by effective microorganisms. Proc. The 1st Inter. Conf. of Kyusei Nature Farming, U.S. Dept. Agric., Washington, D.C., USA. P:153-162
Joshi, N. S., D. K. Varu and A. V. Barad (2012). Effect of different levels of nitrogen, phosphorus and potash on quality, nutrient content and uptake of chrysanthemum cultivars. Asian J. Hort., 7(2): 497-503.
Khalid, K. and A. Shafei (2005). Productivity of dill (Anethum graveolens L.) as influenced by different organic manure rates and sources. Arab Univ. J. Agric. Sci., 13(3): 901-913.
Kochakinezhad, H., Gh. Peyvat, A. Kashi, J. Olfati and A. Asadi (2014). A comparison of org. and chemi. fertilizers for tomato production. J. Organ. Syst. , 7(2): 14–25.
Konnerup, D. and H. Brix (2010). Nitrogen nutrition of Canna indica. Effects of ammonium versus nitrate on growth, biomass allocation, photosynt hesis, nitrate reductase activi tyand N uptake rates. Aquatic Botany, 92: 142–148
Korbekandi H. and S. Iravani (2012). Silver Nanoparticles, Nanotechnology and Nanomaterials, 3: 5-16.
Mehnaz, S. and G. Lazarovits (2006). Inoculation effects of Pseudomonas putida, Gluconacetobacter Azotocaptans, and Azospirillum lipoferum on corn plant growth under greenhouse conditions. Microb. Ecol., 51: 326-335.
Moradi, R., P. R. Moghaddam, M. N. Mahallati and A. Nezhadali (2011). Effects of organic and biological fertilizers on fruit yield and essential oil of sweet fennel (Foeniculum vulgare var. dulce). Spanish J. Agric. Res., 9(2): 546-553.
Nair, R., S. Varghese, B. Nair, T. Maekawa, Y. Yoshida and S. D. Kumar (2010). Nanoparticulate material delivery to plants. Plant Sci. 179(3): 154–163.
Navrotsky, A. (2000). Nanomaterials in the environment, agriculture, and technology (NEAT). J. Nanopart. Res., 2: 321–323.
Niedziela, C. E., S. H.Kim, P. V. Nelson and A. A. Hertogh (2008). Effects of NPK deficiency and temperature regime on the growth and development of Lilium longiflorum ‘Nellie White’ during bulb production under phytotron conditions. Sci. Hort., 116:430-436.
Pregl, F. (1945). Quantative Organic Micro Analysis. 4th ED. J. &Achurnil, London.
Ram, M., M. Davari and S. N. Sharma (2014). Direct, residual and cumulative effects of organic manures and biofertilizers on yields, NPK uptake, grain quality and economics of wheat (Triticum aestivum L.) under organic farming of rice-wheat cropping system. J. of Org. Syst., 9(1): 16-30.
Ramely, P. M. (1993). Carotenoids. In: methods in plant biochemistry, Ed. Lea, P.J., 9.Acad. Press, London, pp. 281-296.Rathore, S.V.S., DORA, D.K. and Chand, U., 199
Ramesh, R.P. (2006). Production of cut flowers and fertilization: Zinnia, Ind. Hort., 2 (1/2): 87-91.
Rosa, De., M.C Monreal, C. Schnitzer, M. R. Walsh and Y. Sultan (2010). Nanotechnology in fertilizers. Nat. Nanotechnol, 5: 91.
Saigusa, M. (2000). Broadcast application versus band application of polyolefin-coated fertilizer on green peppers grown on andisol. J. Plant Nutrition, 23: 1485–1493.
Sarwar, M.; Shoib-ur-Rehman, C.M. Ayyub, W. Ahmad, J. Shafi and Kh. Shafique (2013). Modeling growth of cut-flower stock (Matthiola incana R. Br.) in response to differing in nutrient level. Univ. J. of Food and Nutri. Sci., 1(1): 4-10.
Singh, W., S. K. Sehrawat, D. S. Dahiya and K. Singh (2002). Leaf nutrient status of gladiolus (cv.Sylvia as affected by NPK application. Haryana J. Hort. Sci., 31(1-2): 49-51.
Singha, A., N. B. Singha, I. Hussaina, H. Singha and S.C. Singhb (2015). Plant-nanoparticle interaction: An approach to improve agricultural practices and plant productivity.Int. J. Pharm. Sci. Invention, 4 (8): 25-40.
Sultana, S., M.A. Kashem and A.K.M.M. Mollah (2015). Comparative Assessment of Cow Manure Vermicompost and NPK Fertilizers and on the Growth and Production of Zinnia (Zinnia elegans) Flower. OpenJ. Soil Sci., 5: 193-198.
Tanu, A., A. Prakash and A. Adholeya (2004). Effect of different organic manures/composts on the herbage and essential oil yield of Cymbopogon winterianus and their influence on the native AM population in a marginal alfisol. Bioresour Technol., 92: 311–319.
Trough, E. and A.H. Meyer (1939). Improvement in deiness colorimetric for phosphorus and arsenic.Ind. Eng. Chem. Anal. Ed., 1:136-139.
Vankar, P.S., R .Shanker and S. Wijayapala (2009). Utilization of temple waste flower – Tagetes erecta for dyeing of cotton, wool and silk on industrial scale. J. Textile Apparel Tech Manag., 6: 1-15.
Yadav, D., P.Sood, S. Thakur and K. Choudary (2014). Assessing the training needs of agricultural extension workers about organic farming in the North-Western Himalayas. J. Organic Systems, 8(1):17-27.
Yadava, U. (1986). A rapid and non-destructive method to determine chlorophyll in intact leaves. Hort. Sci., 21(6):1449-1450.
Yeonhee, C., P. Enah, and C. Maehee, (2000). Effect of nitrogen from nutrient solution on the growth of Aster tataricus, Chrysanthemum boreate and Frafugium japonicum. J. Hort. Sci. Tech., 18(1):14-17.
Yousef, R. M.M., A.M.A. Hamouda and N.G. Ghaly (2008). Effect of irrigation and organic fertilization on growth and productivity of Majorana hortensis in sandy soils. J. Agric. Sci., Mansoura Univ., 33 (11): 8039-8056.