Usefulness of organic manures and their nitrogen fertilizer equivalentsSHARMA, R. C; SHARMA, H. C.Journal of Agricultural Science. 1988, Vol 3, Num 1, pp 193-195, issn 0021-8596Article

Importance of soil type on the release of nonexchangeable NH₄⁺ and availability of fertilizer NH₄⁺ and fertilizer NO₃^-SCHERER, H. W; MENGEL, K.Fertilizer research. 1986, Vol 8, Num 3, pp 249-258, issn 0167-1731Article

Effet de la concentration en azote du milieu sur la croissance de jeunes plants de chrysanthèmeKAGEYAMA, Y; HAYASHI, T; KONISHI, K et al.1987, Vol 56, Num 1, pp 79-85Article

Rescue Nitrogen Applications for CornNELSON, Kelly A; SCHARF, Peter C; STEVENS, William E et al.Soil Science Society of America journal. 2011, Vol 75, Num 1, pp 143-151, issn 0361-5995, 9 p.Article

Risultati preliminari sulla risposta di Lolium italicum L. a differenti concimi azotati = Résultats préliminaires sur la réponse de Lolium italicum L. à différents engrais azotés = Preliminary results on Lolium italicum L. response to different nitrogen fertilizersMIELE, S; PALMERINI, M; BENVENUTI, S et al.Agricoltura mediterranea (Pisa). 1988, Vol 118, Num 2, pp 125-133Article

Auswirkungen von Verdichtungen und N-Tiefapplikation auf Bodenparameter, Wurzelwachstum und Ertrag. Ergebnisse aus der Jenaer Bodenmodellanlage = Effets de la compaction et de l'application en profondeur de l'azote sur les paramètres du sol, la croissance des racines et le rendement. Expérimentation d'une modélisation sur un sol à Jena = Effects of compactions and deep placement of nitrogen on soil parameters, root growth and yield results of a soil model experiment at JenaUNGER, H; PITTELKOW, U; SCHULZE, R et al.Archiv für Acker- und Pflanzenbau und Bodenkunde. 1988, Vol 32, Num 5, pp 293-301, issn 0365-0340Article

Contribution of ammonia volatilization to total nitrogen loss after applications of urea to wetland rice fieldsFILLERY, I. R. P; SIMPSON, J. R; DE DATTA, S. K et al.Fertilizer research. 1986, Vol 8, Num 3, pp 193-202, issn 0167-1731Article

Utilization of anaerobically digested poultry manure effluent nitrogen as fertilizerFIELD, J. A; RENEAU, R. B. JR; KROONTJE, W et al.Transactions of the ASAE. 1986, Vol 29, Num 1, pp 223-228, issn 0001-2351Article

The interaction between liming and forms of nitrogen fertilizer on established grasslandADAMS, S. N.Journal of Agricultural Science. 1986, Vol 106, Num 3, pp 509-513, issn 0021-8596Article

Ammoniom fixation in soils from application of NH₄⁺-producing fertilizersBISWAPATI MANDAL; MUKHOPADHYAY, A. K.Journal of the Indian Society of Soil Science. 1984, Vol 32, Num 3, pp 486-487, issn 0019-638XArticle

Melamine and ammeline as nitrogen sources for turfgrassesMOSDELL, D. K; DANIEL, W. H; FREEBORG, R. P et al.Fertilizer research. 1987, Vol 11, Num 1, pp 79-86, issn 0167-1731Article

Effect of methods of urea application with farm yard manure and neem cake on wheat yield and nitrogen uptakeBHATIA, B. K; KUMAR, V; DAHIYA, S. S et al.Indian Journal of Agronomy. 1985, Vol 30, Num 2, pp 150-153, issn 0537-197XArticle

Untersuchungen zur Stickstoffdüngung und Beregnung auf Flussauengrasland an der mittleren Elbe. I: N-Menge und Pflanzenbestand = Recherches sur la fertilisation azotée et l'irrigation par aspersion sur des prairies de terrasses alluviales de l'Elbe. I: Dose d'azote et peuplement végétal = Studies in nitrogen fertilization and sprinkler irrigation to alluvial grossland along the middle course of the Elbe River. I. Nitrogen rate and plant populationADOLF, G; BISCHOFF, H.-M.Archiv für Acker- und Pflanzenbau und Bodenkunde. 1987, Vol 31, Num 6, pp 411-418, issn 0365-0340Article

Time of application and source of nitrogen fertilizer on yield, quality, nitrogen recovery, and net returns for dryland forage grassesCAMPBELL, C. A; LEYSHON, A. J; UKRAINETZ, H et al.Canadian journal of plant science. 1986, Vol 66, Num 4, pp 915-931, issn 0008-4220Article

Effects of sulfur-coated urea fertilizer regimes on production of processing tomatoes on a sandy loamMCARDLE, R. N; MCCLURG, C. A.Fertilizer research. 1986, Vol 8, Num 3, pp 259-262, issn 0167-1731Article

Generalized Algorithm for Variable-Rate Nitrogen Application in Cereal GrainsSOLIE, John B; DEAN MONROE, A; RAUN, William R et al.Agronomy journal (Print). 2012, Vol 104, Num 2, pp 378-387, issn 0002-1962, 10 p.Article

Economic feasibility of variable-rate nitrogen application utilizing site-specific management zonesKOCH, B; KHOSLA, R; FRASIER, W. M et al.Agronomy journal (Print). 2004, Vol 96, Num 6, pp 1572-1580, issn 0002-1962, 9 p.Article

Integrated nitrogen management and supply: an overviewKATYAL, J. C.Proceedings of the Indian National Science Academy. Part B Biological sciences. 1993, Vol 59, Num 3-4, pp 161-171, issn 0073-6600Article

L'azote en agriculture. L'azote : necessité, risques et remèdes = Nitrogen in agriculture. Nitrogen : necessity, risks and curesSCHENCK, C.Colloque sur l'azote en question ? N. 1992, pp 17-25, isbn 2-85977-252-9Conference Paper

Evaluation of controlled release styrene butadiene rubber formulation as a source of nitrogen on growth and yields of tomatoes under water culture conditionsHELALY, F. M.Plastics rubber and composites processing and applications. 1991, Vol 15, Num 2, pp 125-130, 6 p.Article

Einfluss der Stickstoffdüngung auf den Stroh- und Celluloseabbau im Boden nach HerbizidanwendungMALKOMES, H.-P.Zentralblatt für Mikrobiologie. 1991, Vol 146, Num 5, pp 359-370, issn 0232-4393Article

Wirkung einer Schweinegülledüngung zur Saat auf N_min-Gehalt des Bodens sowie Ertrag und Qualität der ZuckerrübeKIRCHBERG, T; BÜRCKY, K; WINNER, C et al.Zuckerindustrie. 1991, Vol 116, Num 1, pp 19-28, issn 0344-8657Article

Nitrification and nitrate movement from ammonium sulphate and urea in sandy soil as affected by their previous applicationsPRAVEEN-KUMAR; AGGARWAL, R. K; SHARMA, B. M et al.Fertilizer research. 1989, Vol 21, Num 1, pp 29-36, issn 0167-1731Article

Genotypic responses of vegetable crops to nitrogen nutritionBARKER, A. V.HortScience. 1989, Vol 24, Num 4, pp 584-591, issn 0018-5345Conference Paper

Influence of time of applicaltion on the fate of ¹⁵N-labelled urea applied to dairy pastureLEDGARD, S. F; STEELE, K. W; FEYTER, C et al.New Zealand Journal of Agricultural Research. 1988, Vol 31, Num 1, pp 87-91, issn 0028-8233Article