TY  - JOUR 
T1  - Efficiency of foliar application of sparingly soluble sources of boron and zinc in citrus
JO  - Scientia Agricola
A1  - Macedo, Luiza Oliveira
A1  - Mattos Júnior, Dirceu
A1  - Jacobassi, Rodrigo
A1  - Hippler, Franz Walter Rieger
A1  - Quaggio, José Antônio
A1  - Boaretto, Rodrigo Marcelli
SN  - 0103-9016
UL  - 10.1590/1678-992X-2018-0387
VL  - 78 
Y1  - 2021
PB  - Brasil 
ER  -