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Organic and nitrogen fertilization of soil under Syrah grapevine: effects on soil chemical properties and nitrate concentration. Author(s): SILVA, D. J.; BASSOI, L. H.; ROCHA, M. G. da; SILVA, A. O. da; DEON, M. D. Viticulture is an activity of great social and economic importance in the lower-middle region of the São Francisco River valley in northeastern Brazil. In this region, the fertility of soils under vin... ... Repository: BDPA Publication year: 2016
Cost reduction and optimization in gerbera micropropagation replacing potassium nitrate for a commercial fertilizer in the culture medium. Author(s): FERREIRA, C. C. de S.; PAZ, C. D. da; SOUZA, J. C. de; PEOXOTO, A. R.; NASCIMENTO, A. R.; RIBEIRO, J. M.; TEIXEIRA, S. L.; RIOS, L. S. Due to profuse bureaucracy and high costs of high purity potassium nitrate (KNO3), we intend to check the possibility of replacing this reagent with a similar commercial mineral fertilizer that costs... ... Repository: BDPA Publication year: 2024
Development of the prickly pear cactus Opuntia stricta (Haw.) Haw. (Cactaceae) in vitro in response to the replacement of potassium nitrate for a commercial kno3 fertilizer. Author(s): FERREIRA, C. C. de S.; PAZ, C. D. da; SOUZA, J. C. de; PEIXORO, A. R.; RIOS, L. S.; NASCIMENTO, A. R.; RIBEIRO, J. M.; MELO, N. F. de; TEIXEIRA, S. L.; ARAÚJO, J. F. In micropropagation, potassium nitrate (KNO3), an ACS reagent grade chemical, used in the preparation of growing mediums is expensive and its procurement depends on bureaucratic procedures, as it is c... ... Repository: BDPA Publication year: 2022
A low-cost approach for Chlorella Sorokiniana production through combined use of urea, ammonia and nitrate based fertilizers. Author(s): RIBEIRO, D. M.; RONCARATTI, L. F.; POSSA, G. C.; GARCIA, L. C.; JUNGMANN, L.; WILLIAMS, T. C. R.; BRASIL, B. dos S. A. F. Repository: BDPA Publication year: 2019
Preliminary evaluation of coffee crops under different doses of nitrogen with a spad meter and leaf nitrogen. Author(s): VILELA, V. A. A.; AMARO, A. R. F. V. B. de L.; MORASI, I. M.; MURRER, M. K.; ABREU, P. F. G.; MOLTOCARO, R. C. R.; MORICONI, W.; GONCALVES, J. R. P.; SILVA, L. C. F. da; PACKER, A. P. Abstract: The objective of this study was to establish correlations among the total N and the SPAD read- ings in Coffea arabica leaves. This study is part of a project that aims to evaluate the agrono... ... Repository: BDPA Publication year: 2014
Residual effect of nitrogen fertilizers formulated with biochar. Author(s): CARVALHO, T. A. de; PUGA, A. P.; PIRES, A. M. M.; LIGO, M. A. V.; ANDRADE, C. A. de Abstract: Biochar-based nitrogen fertilizers provide productivity and efficiency of nitrogen use gains, but knowledge is scarce about the residual effect for subsequent crops. We evaluated the residua... ... Repository: BDPA Publication year: 2019
Management of nitrogen fertilizer to reduce nitrous oxide (N2O) emission and ammonia (NH3) volatilization from coffee plantation. Author(s): PACKER, A. P.; RAMOS, N. P.; CABRAL, O. M. R.; SILVA, L. R. da; MOLTOCARO, R. C. R.; BETTANIN, V. C.; MORASI, I. M.; AMARO, A. R. F. V. B. de L.; TEIXEIRA, W. G. Coffee is a key global crop and the second most valuable commodity exported by developing countries, worth around US$19 billion in 2015. Counting with the world\s largest production of coffee, Brazil... ... Repository: BDPA Publication year: 2017
Humic acids induce the expression of nitrate transporters in passion-fruit seedlings. Author(s): CAVALCANTI FILHO, P. F. M.; BAÍA, D. C.; RIBEIRO, R. C.; ROSA, R. C. C.; CANELLAS, L. P. The management of organic fertilization in passion fruit has been carried out empirically based on the responses of the crops and the experience of farmers. Knowledge of the physiological responses of... ... Repository: BDPA Publication year: 2023
Leaching runoff fraction for nitrate and herbicides on sugarcane fields: implications for grey water footprint. Author(s): SCARPARE, F. V.; ZOTELLI, L. do C.; BARIZON, R. R. M.; CASTRO, S. G. Q. de; BEZERRA, A. H. F. Abstract: Sugarcane cultivation uses many chemical inputs to ensure good yields, which puts local water resources under pressure. Grey water footprint (GWF) is a widely used indicator of the volume ne... ... Repository: BDPA Publication year: 2023
Importance of the nitrogen source in the grass species Brachiaria brizantha responses to sulfur limitation. Author(s): DE BONA, F. D.; SCHMIDT, F.; MONTEIRO, F. A. Repository: BDPA Publication year: 2013

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