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Use of RPA images in the mapping of the chlorophyll index of coffee plants. Author(s): SANTOS, L. M. dos; FERRAZ, G. A. e S.; CARVALHO, M. A. de F.; TEODORO, S. A.; CAMPOS, A. A. V.; MENICUCCI NETO, P. Coffee trading is an important source of income for the Brazilian commercial balance. Chlorophyll (Chl) are pigments responsible for converting radiation into energy; these pigments are closely relate... ... Repository: BDPA Publication year: 2022
NO3-, K+, and chlorophyll index in fertigated grapevines in the semi-arid region of Brazil. Author(s): SILVA, A. O. da; SILVA, D. J.; BASSOI, L. H.; CHAVES, A. R. de M. Evaluating the effects of N and K supply on grapevines (Vitis vinifera L.) and the techniques for nutritional diagnosis is of great importance for fertigation management of this crop. This study evalu... ... Repository: BDPA Publication year: 2023
Leaf chlorophyll index of Brachiaria brizantha cv. Piatã and Panicum maximum cv. Mombaça under different doses of nitrogen and potassium. Author(s): SALMAN, A. K. D.; BACELAR, B. M. F. S.; ALVES, E. A.; MARCOLAN, A. L.; CARARO, D. C.; OSMARI, E. K.; MENDES, A. M.; CASTILHO, D. A. da S. Repository: BDPA Publication year: 2014
Portable chlorophyll meter can estimate the nitrogen sufficiency index and levels of topdressing nitrogen in common bean. Author(s): SILVEIRA, P. M. da; GONZAGA, A. C. de O. The nitrogen sufficiency index (NSI) obtained by using a portable chlorophyll meter is a practical alternative to evaluate the N levels in plants. This study aimed at determining the appropriate NSI v... ... Repository: BDPA Publication year: 2017
Variability and genetic parameters of chlorophyll content in forage peanut genotypes using the SPAD index. Author(s): SANTOS, C. F.; ASSIS, G. M. L. de; BEBER, P. M.; MIQUELONI, D. P.; CLEMENCIO, R. de M.; SILVA, R. S. da This study aimed to verify the existence of variability and to estimate genetic parameters for chlorophyll content in forage peanut genotypes. Repository: BDPA Publication year: 2016
Do stimulate® and acadian® promote increased growth and physiological indices of Hymenaea courbaril seedlings? Author(s): SMIDERLE, O. J.; SOUZA, A. das G.; MAIA, S. da S.; REIS, N. D. dos; COSTA, J. S. da; PEREIRA, G. S. Products that have biostimulant action on forest seedlings, such as those based seaweed Acadian® and hormones, have been used due to their beneficial effect on the physiology and growth of plants, in... ... Repository: BDPA Publication year: 2022
Grain sorghum under pre- and post-flowering drought stress in a semiarid environment. Author(s): SOUZA, A. A. de; CARVALHO, A. J. de; BASTOS, E. A.; CARDOSO, M. J.; JÚLIO, M. P. M.; BATISTA, P. S. C.; JÚLIO, B. H. M.; CAMPOLINA, C. V.; PORTUGAL, A. F.; MENEZES, C. B. de; OLIVEIRA, S. M. de Sorghum is one of the most drought-tolerant cereals. However, strong water stress, especially during the reproductive phase, causes significant grain yield reduction. Drought events are common in seco... ... Repository: BDPA Publication year: 2021
Gas exchange in Massai grass fertilized with nitrogen and grazed by sheep. Author(s): LOPES, M. N.; CÂNDIDO, M. J. D.; POMPEU, R. C. F. F.; SILVA, R. G. da; LACERDA, C. F. de; BEZERRA, M. A.; MORAIS NETO, L. B. de; CARNEIRO, M. S. de S. The knowledge of gas exchanges in forage plants is essential for a better understanding of the process of forage biomass production in pasture. This study evaluated the gas exchange in massai grass fe... ... Repository: BDPA Publication year: 2020
Remote Detection of water and nutritional status of soybeans using UAV-based images. Author(s): ANDRADE JUNIOR, A. S. de; SILVA, S. P. da; SETÚBAL, I. S.; SOUZA, H. A. de; VIEIRA, P. F. de M. J. Digital aerial images obtained by cameras embedded in remotely piloted aircraft (RPA) have been used to detect and monitor abiotic stresses in soybeans, such as water and nutritional deficiencies. Thi... ... Repository: BDPA Publication year: 2022
Do Azospirillum brasilense application methods and doses influence the quality of Cordia alliodora seminal seedlings? Author(s): SOUZA, A. das G.; SMIDERLE, O. J.; MAIA, S. da S.; DIAS, T. J. The objective of this study was to determine the best method of bacteria application and the dose of maximum technical efficiency for the growth and morphophysiological quality of Cordia alliodora see... ... Repository: BDPA Publication year: 2022

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