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- Title
Byrsonima crassifolia seedlings growth on ground basalt rock.
- Authors
Ferreira Melo, Valdinar; Keiko Welter, Marina; Alves Chagas, Edvan; Pereira Uchôa, Sandra Cátia; Henrique da Silva Siqueira, Raphael
- Abstract
Ground basalt rock may represent a labile reservoir of nutrients, providing a low-cost, nutrient-rich substrate for seedling formation and plant growth. The study aimed to evaluate the development of a native plant murici [Byrsonima crassifolia (L.) H.B.K.] seedlings using two different application rates of ground basalt rock with two particles sizes. The experiment was performed in a greenhouse, in which treatments were arranged in a random block design with five replications in a factorial scheme (2 x 5 + 1), with five doses of finely ground basaltic rock (0.42; 1.04; 2.08; 4.17 and 8.33 g kg-1), two grain sizes (G1 Ø < 0.05 and G2 Ø < 0.10 mm mesh), and a treatment with soil without rock powder addition (the control 0.0 g kg-1 of rock powder). The seedlings were cultivated in substrate incubated for 120 days with the ground basaltic rock. Six months after the seedlings were planted variables involving growth and nutrient content variables were evaluated. Grain size affected nutrient availability from finely ground rock (Ca, Mg, Fe, and Zn). The growth of murici seedlings linear increase with ground basaltic rock application rates, with better results when a 0.05 mm grain size was used.
- Subjects
BASALT; SEEDLINGS; NATIVE plants; PLANT development; GRAIN size
- Publication
Acta Agronómica, 2021, Vol 70, Issue 1, p7
- ISSN
0120-2812
- Publication type
Article
- DOI
10.15446/acag.v67n3.65325