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Effect of fertilization at sowing on nutrition and yield of crambe in second season Rev. Bras. Ciênc. Solo
Soratto,Rogério Peres; Souza-Schlick,Genivaldo David de; Fernandes,Adalton Mazetti; Souza,Emerson de Freitas Cordova de.
The interest in crambe (Crambe abyssinica ) cultivation in Brazil is on the rise, whereas information on the nutrient requirements for this crop is scarce. The objective of this work was to evaluate the effect of nitrogen-phosphorus-potassium (N-P2O5-K2O formula 8:28:16) fertilization (0, 150, and 300 kg ha-1) on crambe shoot biomass production, grain and oil yields, and nutrient extraction and exportation in the second growing season after soybean. The experiment with a Haplorthox (Dystroferric Red Latosol) was carried out for two years in Botucatu, São Paulo State, Brazil. A randomized complete block design with eight replications was used. Fertilization with NPK at sowing increased the shoot biomass production, grain yield, grain oil content, as well as...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Crambe abyssinica; Yield components; Nutrient extraction; Nutrient exportation.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832013000300012
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Exigência nutricional e adubação da amoreira-preta Repositório Alice
PEREIRA, I. dos S.; NAVA, G.; PICOLOTTO, L.; VIGNOLO, G. K.; GONÇALVES, M. A.; ANTUNES, L. E. C..
Tipo: Artigo de periódico Palavras-chave: Cultivares e exportação de nutrientes; Fertilization; Nutrient exportation; Nutritional requirements.; Adubação; Exigência Nutricional.; Rubus; Cultivars..
Ano: 2015 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1029516
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Nutrient cycling in a RRIM 600 clone rubber plantation Scientia Agricola
Murbach,Marcos Roberto; Boaretto,Antonio Enedi; Muraoka,Takashi; Souza,Euclides Caxambu Alexandrino de.
Few reports have been presented on nutrient cycling in rubber tree plantations (Hevea brasiliensis Muell. Arg.). This experiment was carried out to evaluate: the effect of K rates on the amount of nutrients transfered to the soil in a 13-year old Hevea brasilensis RRIM 600 clone plantation, nutrient retranslocation from the leaves before falling to the soil, and nutrient loss by dry rubber export. The experiment started in 1998 and potassium was applied at the rates of 0, 40, 80 and 160 kg ha-1 of K2O under the crowns of 40 rubber trees of each plot. Literfall collectors, five per plot, were randomly distributed within the plots under the trees. The accumulated literfall was collected monthly during one year. The coagulated rubber latex from each plot was...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Litterfall; Fertilization; Nutrition; Rubber; Nutrient exportation.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162003000200021
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