Growth of Prunus sellowii Koehne seedlings in response to NPK fertilizers and basalt dust.
DOI:
https://doi.org/10.5380/rf.v37i2.8655Keywords:
Pessegueiro-bravo, viveiro, adubação.Abstract
The objective of this work was to compare the growth of Prunus sellowii Koehne seedlings (pessegueiro-bravo), submitted to conventional fertilizations and to basalt dust as an alternative. The experiment was installed in January of 2004 in the Embrapa Florestas nursery (Colombo - PR), using medium tubes (100 cm³), and commercial substratum composed by Pinus husk and vermiculita. The experiment was carried out on a randomized block design, with the following treatments: without fertilization; mineral fertilization NPK; mineral fertilization NPK plus micronutrients; and basalt dust. They were evaluated the following characteristics: height, collar diameter, dry biomass (aerial and root) and leaves nutrients composition. The results had shown that seedlings growth was higher when fertilized with NPK, increased or not with micronutrients. Seedlings produced with basalt dust fertilization had not gotten similar growth to those ones without fertilization, however, in this treatment the biggest values of N, P, Ca, Mg, B, Fe and Mn in leaves had been observed.
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