AgricultureJiahad., 2019. Statistics of Khorasan Razavi Agriculture-Jahad Organization. [in Persian].
Amiri, M.E., 2008. Impact of animal manures and chemical fertilizers on yield components of saffron (Crocus sativus L.). Am. Eurasian J. Agric. Environ. Sci. 4, 274–279.
Chaji, N., Khorassani, R., Astaraei, A.R., and Lakzian, A., 2013. Effect of phosphorous and nitrogen on vegetative growth and production of daughter corms of saffron. J. Saffron Res. 1, 1–12. [in Persian with English Summary].
Eghbali, S., Rashed Mohassel, M.H., Nassiri Mahallati, M., and Kazerooni Monfared, E., 2008. Allelopathic potential of shoot and corm of saffron residues on wheat, rye, vetch and bean. Iran. J. Field Crops Res. 6(2), 227-234. [in Persian with English Summary].
Farzami Sepehr, M., and Hosseini, A., 2014. Study of physiological failure factors in saffron renewal cultivation in a farm with the several years sequential cropping. J. Iranian Piant Ecophysiol. Res. 9(36), 10-20. [in Persian with English Summary].
Golmohammadi, F., 2014. Saffron and its farming, economic importance, export, medicinal characteristics and various uses in south Khorasan province-east of Iran. Inter. J. Farming Allied Sci. 3(5), 566-596.
Heidari, Z., Besharati, H., and Maleki Farahani, S., 2014. Effect of some chemical fertilizer and biofertilizer on quantitative and qualitative characteristics of Saffron. Saffron Agro. & Technol. 2(3), 177-189. [in Persian with English Summary].
Hosseini, M., and Sadeghi, B., 2004. Effect of nutrient foliar application on yield of saffron. In Proceeding of 3rd National Congress on Iranian Saffron, Mashhad, Iran. [in Persian with English Summary].
Koocheki, A., and Seyyedi, S.M., 2016. A comprehensive look at nitrogen and phosphorus use efficiency in saffron (Crocus sativus L.). Saffron Agron. & Technol. 4(2), 75-91. [in Persian with English Summary].
Koocheki, A., Jamshid Eyni, M., and Seyyedi, S.M., 2015. The effects of mother corm size and type of fertilizer on nitrogen use efficiency in saffron. Saffron Agron. & Technol. 2(4), 243-254. [in Persian with English Summary].
Koocheki, A., Seyyedi, S.M., and Jamshid Eyni, M., 2016. Uptake efficiency of nitrogen in saffron (Crocus sativus L.) as affected by irrigation levels and high corm density. Seed. Plant. Pro. J. 30, 441-456. [in Persian with English Summary].
Kruse, M., Strandberg, M., and Strandberg, B., 2000. Ecological effects of allelopathic plants. A review. NERI Technical Report. No 315. Silberg, Denmark, 66 pp.
Lombardo, G., Gresta, F., Malfa, G., and Scoto, A., 2005. Primi risultati Sulla coltivazione dello zafferano nella collina interna sisiliana. Proceeding of the First Congress on “Piante Mediterranee.” Agrigento, 7-8th October, Italy.
Mando, A., Ouattara, B., Sédogo, M., Stroosnijder, L., Ouattara, K., Brussaard, L., and Vanlauwe, B., 2005. Long-term effect of tillage and manure application on soil organic fractions and crop performance under Sudano-Sahelian conditions. Soil Tillage. Res. 80, 95–101.
Mardani, H., Takayuki, S., Azizi, M., Mishynaa, M., and Fujii, Y., 2015. dentification of safranal as the main allelochemical from saffron (Crocus sativus). Natural Prod. Comm. 10(5), 1-3.
Masclaux-Daubresse, C., Daniel-Vedele, F., Dechorgnat, J., Chardon, F., Gaufichon, L., and Suzuki, A., 2010. Nitrogen uptake, assimilation and remobilization in plants: Challenges for sustainable and productive agriculture. Annal. Bot. 105, 1141–1157.
Nassiri-Mahallati, M., Koocheki, A., Boroumand, Z., and Tabrizi, L., 2007. Effects of corm size and storage period on allocation of assimilates in different parts of saffron plant (Crocus sativus L.). Iran. J. Agri. Res. 5(1), 155-165. [in Persian with English Summary].
Omidi, H., Naghdibadi, H.A., Golzad, A., Torabi, H., and Fotoukian, M.H., 2009. The effect of chemical and bio-fertilizer source of nitrogen on qualitative and quantitative yield of saffron (Crocus sativus L.). J. Medic. Plant. 8, 98–109. [in Persian with English Summary].
Rashed, M.H., Gherekhloo, J., and Rastgoo, M., 2009. Allelopathic effects of saffron (Crocus sativus) leaves and corms on seedling growth of redroot pigweed (Amaranthus retroflexus) and lambsquarter (Chenopodium album). Iranian J. Field Crops Res. 7(1), 53-61. [in Persian with English Summary].
Safadoust, A., Mosadeghi, M.R., Mahboubi, A.A., Norouzi, A., and Asadian, G.H., 2007. Short-term tillage and manure influences on soil structural properties. J. Sci. Technol. Agri. Natur. Recour. 11, 91–100. [in Persian with English Summary].
Temperini, O., Rea, R., Temperini, A., Colla, G., and Rouphael, Y., 2009. Evaluation of saffron (Crocus sativus L.) production in Italy: Effect of the age of saffron fields and plant and plant density. Food. Agri. Environ. 7, 19-23.