1.Amundsen, R.L., and Koehler, F.E. 1987. Utilization of DRIS for diagnosis of nutrient
deficiencies in winter wheat. Agron. J. 79: 472-476.
2.Angeles, D.E., Sumner, M.E., and Barbour, N.W. 1990. Preliminary nitrogen, phosphorus and
potassium DRIS norms for pineapple. Hort. Sci. 25: 6. 652-655.
3.Anonymous. 1394. Agricultural products in Iran. Ministry of Agriculture-Jihad. Tehran, Iran.
(In Persian)
4.Anonymous. 1395. Iran Water and Power Resources Management Company (IWPRMC).
Ministry of Energy. Tehran, Iran. (In Persian)
5.Bailey, J.S., Beattie, J.A.M., and Kilpatrck, D.J. 1997. The diagnosis and recommendation
integrated system (DRIS) for diagnosing the nutrient status of grassland swards: I. Model
establishment. Plant Soil. 197: 127-135.
6.Beaufils, E.R. 1971. Physiological diagnosis: A guide for improving maize production based
on principle developed for rubber trees. Fertile. Soc. Sci. Afr. J. 1: 1-31.
7.Bould, C. 1966. Leaf analysis of deciduous trees. P 651-684, In: N.F. Childers (Ed.), Nutrition
of fruit crops. Horticultural publications, Rutgers University, New Jersey, U.S.A.
8.Chan, Y., and Break, P. 1982. Iron nutrition of plant in calcareous soil. Adv. Agron.
35: 217-240.
9.Daryashenas, A., and Dehghani, F. 2006. Determination of DRIS reference norms for
pomegranate in Yazd province. Iran. J. Soil Water Sci. 1: 1-12. (In Persian)
10.Daryashenas, A., and Rastagar, H. 2002. Determination of the nutrient norms for citrus in
southern Iran with DRIS approach. Soil and Water Research Institute, technical publication
No. 1132, Tehran, Iran, 26p. (In Persian)
11.Elwali, A.M.O., Gascho, G.J., and Sumner, M.E. 1983. DRIS norms for 11 nutrients in corn
leaves. Agron. J. 77: 506-508.
12.Emami, A. 1996. Methods of plant analysis. Soil and Water Research Institute, technical
publication No. 982, Tehran, Iran, 128p. (In Persian)
13.Entsar, M., and Hay yam, A. 2015. Utilization of DRIS for diagnosis of nutrient deficiencies
in tomato. Agron. J. 79: 472-476.
14.Esmaeli, M., Golchin, A., and Doroudi, M.S. 2000. Determination of the
nutrient norms for apple with DRIS method. Iran. J. Soil Water Sci.
12: 8. 22-29. (In Persian)
15.Feizi Asl, V., and Bybordi, A. 2006. Determination of Diagnosis and Recommendation
Integrated System (DRIS) norms for diagnosis of nutrient situation and study of nutrients
balance for irrigated wheat crop in East Azerbaijan. Iran. J. Field Crop Sci. 7: 4. 298-308.
(In Persian)
16.Goudarzi, K., and Hosseinifarahi, M. 2008. Evaluation of nutritional balance in vineyards of
Kohgiluyeh and Boyerahmad province via DRIS method. Iran. J. Hort. Sci. and Technol.
9: 1. 45-58. (In Persian)
17.Hanson, R.G. 1981. DRIS evaluation of N, P and K status of determination soybeans in
Brazil. Commun. Soil Sci. Plant Anal. 12: 933-948.
18.Hartz, T.K., Miyao, E.M., and Valencia, J.G. 1998. Evaluation of the nutritional status of
processing tomato. Hortic. Sci. Alexandria. 33: 830-832.
19.Heshmati Rafsanjani, M., and Malakouti, M.J. 1998. Determination of DRIS pre norms for 9
nutrients in pistachio leaf. Iran. J. Agric. Sci. 29: 2. 345-351. (In Persian)
20.Hundal, H.S., Singh, D., and Brar, J.S. 2005. Diagnosis and recommendation integrated
system for monitoring nutrient status of mango trees in sub-mountainous area of Punjab,
India. Commun. Soil Sci. Plant Anal. 36: 2085-2099.
21.Letzch, W.S., and Sumner, M.E. 1983. Computer Program for Calculating DRIS indices.
Commun. Soil Sci. Plant Anal. 14: 811-815.
22.Malakouti, M.J. 2005. Potassium in Iran Agriculture. Sana Publication, 292p. (In Persian)
23.Malakouti, M.J., and Homaee, M. 1995. Soil fertility in arid regions- Problems and solutions.
Tarbiat Modares University Press, Tehran, Iran, 494p. (In Persian)
24.Malakouti, M.J., and Tabatabaei, S.J. 2001. Innovative approach to balanced nutrition fruit
trees. Tehran, Iran. Agricultural education Publication.
25.Malakouti, M.J., and Tabatabaie, S.J. 2000. Proper nutrition of fruit trees. Agricultural
education publication, Karaj, Iran, 266p. (In Persian)
26.MauraFilho, F.A.A. 2004. DRIS: Concepts and applications on nutritional diagnosis in fruit
crops. Scientia Agricola. 61: 550-56.
27.Meldal Johnson, A., and Sumner, M.E. 1990. Foliar diagnostic norms for Potatoes. J. Plant
Nut. 2: 25. 569-576.
28.Miran, N., and Samadi, A. 2013. DRIS determine and use the software to assess the
nutritional status of sugar beet in Western Azerbaijan. J. Soil Water Tabriz. Iran. J. Soil
Water. 24: 1. 195-207.
29.Parent, L.E., Isfan, D., Tremblay, N., and Karam, A. 1994. Multivariate nutrient diagnosis of
the carrot crop. J. Amer. Soc. Hort. Sci. 119: 3. 420-426.
30.Payne, W.W. 1981. Proposed modifications of the diagnosis and recommendation integrated
system (DRIS) for interpreting plant analyses. Commun. Soil Sci. Plant Anal. 12: 785-794.
31.Pearson, R.C., and Goheen, A.C. 1998. Compendium of Grape Diseases. 4th Edition. The
American Phytopathological Society, USA.
32.Sajjadi, A. 1992. Diagnosis and Recommendation Integrated System-DRIS.Technical issue
No. 847. Soil and water research institute, Tehran, Iran, 94p. (In Persian)
33.Sajjadi, A. 1996. Nutrients balance levels for sugar beet with DRIS approach. Technical
issue No. 984. Soil and water research institute, Tehran, Iran, 40p. (In Persian)
34.Salih, N., and Anderson, F. 1999. Nutritional status of a Norway spruce stand in SW
Sweden in response to compensatory fertilization. Plant Soil. 209: 85-100.
35.Sharma, J., Shikhamany, S.D., Singh, R.K., and Raghupathi, H.B. 2005. Diagnosis of
nutrient imbalance in Thompson seedless grape grafted on Dog Ridge rootstock by DRIS.
Commun. Soil Sci. Plant Anal. 36: 2823-2838.
36.Sumner, M.E. 1986. Diagnosis and recommendation integrated system (DRIS) as a guide to
orchard fertilization. International seminar on Leaf Diagnosis as a Guide to Orchard
Fertilization. Food and Fertilizer Technology Center for Asia and Pacific Region Suwon,
Korea. Boletin No. 231. Taiwan, 21p.
37.Tisdale, S.L., Nelson, W.L., and Beaton, J.D. 1990. Soil fertility and fertilizers,
4th ed. Mac Millan, Collier Mac Millan in New York, 754p.
38.Walworth, J.L., and Sumner, M.E. 1987. The diagnosis and recommendation integrated
system (DRIS). Adv. Soil Sci. 6: 149-188.