The Asian challengePhosphorus and potassium. 1997, Num 210, pp 21-26, issn 0031-8426, 4 p.Article

Efeito do nitrogênio, fósforo e potássio, sobre a produção, qualidade e estado nutricional do maracujazeiro amarelo = Effet de N, P et K sur le rendement, l'état nutritionnel et la qualité fruitière des fruits de la passion jaunes = Effect of N, P and K on yield, nutritional status and fruit quality of yellow passion fruitCOLAUTO, N. M; MANICA, I; RIBOLDI, J et al.Pesquisa agropecuaria brasileira (Brasilia, 1977). 1986, Vol 21, Num 7, pp 691-695, issn 0100-204XArticle

NPK production and the environmentPhosphorus and potassium. 1997, Num 209, pp 42-51, issn 0031-8426, 9 p.Article

Differential thermal analysis for estimation of the thermal stability of NPK fertilizersTYNSUAADU, K; VIISIMAA, L.Journal of thermal analysis. 1991, Vol 37, Num 5, pp 927-934, issn 0368-4466Article

The technology of compound fertilizers containing microelementsKUVSHINNIKOV, I. M; TAVROVSKAYA, A. YA; KOMAROV, M. P et al.Soviet chemical industry. 1990, Vol 22, Num 11, pp 31-35, issn 0038-5344, 5 p.Article

NPK contractors profilePhosphorus and potassium. 1989, Num 160, pp 17-20, issn 0031-8426Article

Chlorideless NPK from seawaterMOHANDRAS, V. P; GOHIL, S. J; JOSHI, J. M et al.Phosphorus and potassium. 1992, Num 177, pp 36-37, issn 0031-8426Article

The fire hazard of compound mixed fertilizersMESHALKINA, L. K.Soviet chemical industry. 1990, Vol 22, Num 11, pp 46-50, issn 0038-5344, 5 p.Article

Cationes metalicos y fertilizacion. I: Plomo, cadmio y mercurio en abonos compuestos (NPK) = Cations métalliques et fertilisation. I: Plomb, cadmium et mercure dans les engrais complexes (NPK) = Metalic ions and fertilization. I: Pb, Cd and Hg in complex (NPK) fertilizersRICO SALAS, M. I; GARCIA MARTITEGUI, J; MATEO LOPEZ, J. M et al.Revista de Agroquimica y Tecnologia de Alimentos. 1987, Vol 27, Num 1, pp 47-52, issn 0034-7698Article

Technology for a single-phase plant nutrient solution containing microelementsBUROVA, M. S; GRISHAEV, I. G; FEDYUSHKIN, B. F et al.Soviet chemical industry. 1991, Vol 23, Num 6, pp 43-44, issn 0038-5344Article

The effect of the parameters of the production of diammophoska on its physical propertiesKUVSHINNIKOV, I. M; FROLKINA, V. A; TROITSKAYA, S. A et al.Soviet chemical industry. 1991, Vol 23, Num 1, pp 33-35, issn 0038-5344Article

Use of fertilizers in developing countriesVON PETER, A.1989, Vol 29, pp 38-64Article

NPK: contractor profilePhosphorus and potassium. 1988, Num 154, issn 0031-8426, [3-8 suppl.]Article

Exploitation of Israel's P and K resourcesLIN, I. J; SCHORR, M.Phosphorus and potassium. 1996, Num 206, pp 25-32, issn 0031-8426, 7 p.Article

Evaluation of current AOAC fertilizer sample preperation requirementsNEWLON, N; COX-TROUT, C; KANE, P et al.Journal of AOAC International. 1993, Vol 76, Num 6, pp 1174-1181, issn 1060-3271Article

Groupes de combustibilité des engrais minéraux phosphorés et mesures de protection contre l'incendieMESHALKINA, L. K.Himičeskaâ promyšlennost'. 1988, Num 6, pp 350-352, issn 0023-110XArticle

Change in the humus of a typical Chernozem caused by fertilizationNOSKO, B. S.Soviet soil science. 1987, Vol 19, Num 4, pp 67-74, issn 0038-5832Article

Response of apple trees to soil applications of phosphorus, nitrogen and potassiumCRIPPS, J. E. L.Australian journal of experimental agriculture. 1987, Vol 27, Num 6, pp 909-914, issn 0816-1089Article

Etude de la fumure NPK d'une prairie de montagne au col de Tamie (Savoie) = Study of the NPK fertilization of a mountain sward at the pass of Tamie (Savoy)RAMON, J; POULY, C.sd, 16 p.Book

Pollution control in nitrophosphate plantsPhosphorus and potassium. 1993, Num 187, pp 26-32, issn 0031-8426Article

Optimum NPK ratio of a planted grasslandBANSZKI, T.Acta agronomica hungarica. 1991, Vol 40, Num 1-2, pp 79-85, issn 0238-0161Article

Etude de l'effet d'engrais npk sur la croissance de nouvelles variétés d'azolla et techniques de fertilisationYU LINHUO.Scientia agricultura sinica. 1986, Num 4, pp 62-66Article

Accumulation of mobile phosphorus forms in soddy-podzolic soils in differing tilth as function of mineral fertilizer application rate and formKHOMYAKOV, D. M; EGOROV, V. S.Soviet agricultural sciences. 1985, Num 12, pp 60-62Article

Preparation of complex fertilizers on the basis of a pulp of diammonium phosphate and potassium chloride with preliminary mixing of the potassium salt with a phosphate pulp. II: Technological studiesKONONOV, A. V; EVDOKIMOVA, L. I; LOBACHEVA, M. P et al.Russian chemical industry. 1993, Vol 25, Num 9, pp 31-35, issn 1068-3704Article

Effect of fertilization systems on content of humus and mobile nutritive elements in chernozems of the Central Siberia forest steppeKRUPKIN, P.I; CHLENOVA, T.I.Soviet agricultural sciences. 1992, Num 3, pp 12-15, issn 0735-2700Article