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7280
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Integrated plant nutrition systems : report of an expert consultation, Rome, Italy, 13-15 December 1993 / edited by R. Dudal, R.N. Roy.
- 631.8 E9657
- Expert Consultation on Integrated Plant Nutrition Systems (1993 : Rome, Italy)
- Food and Agriculture Organization of the United Nations,
- 1995.
- Rome :
-
Assessment of soil nutrient balance : approaches and methodologies / by R.N. Roy, R.V. Misra, J.P. Lesschen, E.M. Smaling.
- 631.422 R8881
- Roy, R. N.
- Food and Agriculture Organization of the United Nations,
- 2003.
- Rome :
-
Plant nutrition for food security : a guide for integrated nutrient management / R.N. Roy ... [et al.].
- 631.8 P7131
- Food and Agriculture Organization of the United Nations,
- 2006.
- Rome :
-
Use of phosphate rocks for sustainable agriculture / technical editing by F. Zapata, R.N. Roy ; a joint publication of the FAO Land and Water Development Division and the International Atomic Energy Agency.
- 631.85 U844
- Food and Agriculture Organization of the United Nations,
- 2004.
- Rome :
-
Guide to laboratory establishment for plant nutrient analysis / by M.R. Motsara, R.N. Roy.
- 631.4 M9199
- Motsara, M.R.
- Food and Agriculture Organization of the United Nations,
- 2008.
- Rome :
-
Fertilizer use under multiple cropping systems : report of an expert consultation held in New Delhi, 3-6 February 1982 / [contrib. by R.N. Roy...et al.].
- FAO,
- 1983.
- Rome :
-
Rapport à l'Organisation internationale contre le criquet migrateur africain (O.I.C.M.A.) : propositions relatives à la recherche opérationnelle sur l'aire grégarigène du criquet migrateur africain / par J. Roy.
- 86
- FAO,
- 1966.
- Rome :
-
Rapport au gouvernement de Madagascar sur la lutte antiacridienne / par Jean Roy.
- 866
- FAO,
- 1967.
- Rome :
-
Assessment of soil nutrient balance : approaches and methodologies / by R.N. Roy...[et al.].
- Food and agriculture organization of the United nations (FAO),
- 2003.
- Rome :
-
Integrated plant nutrition systems : report of an expert consultation, Rome, Italy, 13-15 December 1993 / ed. by R. Dudal, R.N. Roy.
- Food and agriculture organization of the UN,
- 1995.
- Rome :