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dc.contributor.authorRUSCHEL, J.
dc.contributor.authorCARMELLO, Q. A. de C.
dc.contributor.authorBERNARDI, A. C. de C.
dc.contributor.authorCARVALHO, S. A. de
dc.contributor.authorMATTOS JUNIOR, D.
dc.date.accessioned2021-10-19T18:00:52Z-
dc.date.available2021-10-19T18:00:52Z-
dc.date.created2021-10-19
dc.date.issued2004
dc.identifier.citationScientia Agricola, v. 61, n. 5, p. 501-506, set./out. 2004.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1135435-
dc.descriptionAnalysis of leaf nutrient contents can demonstrate plant nutritional status, identify symptoms of deficiency and toxicity, and evaluate the need to adjust fertilization programs. This research determined N:P:K:Ca:S rates for optimal nutrition of Rangpur lime - RL (Citrus limonia Osb.) rootstock, in an experiment arranged in a fractional factorial design of the (¹/25) 5(4) type, with 25 treatments distributed within five blocks. Seedlings of RL were transplanted into 3.8-dm³ containers filled with commercial growing media, when plant height = 10 cm, in a nursery. Treatments consisted of the following nutrient rates (g per plant): N = 0.31, 0.62, 1.25, 2.5 and 5; K = 0.4, 0.62, 1.25, 2.5 and 5; P = 0.35, 1.0, 2.0, 3.0 and 4.0; and Ca = 3.5, 5.0, 6.0, 7.0 and 8.0. Phosphorus and Ca were applied to the compost before transplant of seedlings, while N and K were applied later and total amounts were split into 20 weekly applications via fertigation. Nutrient sources were triple super phosphate, gypsum, NH4NO3 and KCl. Leaf nutrient concentrations of five-mo-old plants were high or in excess for N, P, K and S. Calcium and Mg concentrations were low. Greater dry mass of plants were observed at nutrient rates of N = 3.5, P = 2.7, K = 2.0, and Ca = 6.5 g per plant.
dc.language.isoeng
dc.rightsopenAccesseng
dc.subjectmineral nutrition
dc.subjectleaf analysis
dc.subjectresponse surface
dc.titleLeaf nutrient contents of rangpur lime rootstock as afected by N, P, K, Ca and S fertilization.
dc.typeArtigo de periódico
dc.subject.thesagroCitrus Limonia
riaa.ainfo.id1135435
riaa.ainfo.lastupdate2021-10-19
dc.identifier.doihttps://doi.org/10.1590/S0103-90162004000500007
dc.contributor.institutionJONAS RUSCHEL, LEGALIZA REGISTROS; QUIRINO AUGUSTO DE CAMARGO CARMELLO, USP/ESALQ, PIRACICABA, SP.; ALBERTO CARLOS DE CAMPOS BERNARDI, CNPS; SÉRGIO ALVES DE CARVALHO, APTA, CORDEIROPOLIS, SP.; DIRCEU MATTOS JUNIOR, APTA, CORDEIROPOLIS, SP.
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