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- Title
AGRONOMIC CHARACTERISTICS OF MAIZE AFTER OVERLIMING.
- Authors
Andrade Fiorini, Fabrício Vilela; Leite Reis, Lucasx; Vilela de Rezende, Adauton; Alves da Silva, Gian Otávio; Tomaz do Prado, Raphaela Aparecida; Ribeiro Alves, Miguel
- Abstract
Overliming is an economical practice aimed at increasing cation exchange capacity (CEC) and soil base saturation (V %), in addition to increasing grain and dry matter yield. The objective of this study was to evaluate the effects of overliming on the agronomic characteristics of maize. The experiment was carried out in a randomized block design (RBD), with four replications, where five treatments corresponded to the dosages (1.9; 2.5; 3.2; 3.8 and 4.4 t ha-1 ) that simulated the increase in base saturation to (60, 70, 80, 90 and 100%), respectively. Plant height was evaluated, besides ear height, number of ears per plant, number of viable ears per plant, shoot fresh weight, root fresh weight, stem diameter, shoot dry matter, root dry matter, grain weight, weight of 100 grains, shoot dry weight and root dry weight. There was a significant variation for three of the evaluated characteristics and in the studied conditions, the overliming increased the such as shoot dry matter, root dry matter and shoot dry weight, emphasizing the dosages of 2.5 t ha-1 and 3.8 t ha-1 limestone.
- Subjects
CORN yields; GRAIN weights &; measures; DRY matter content of plants; PLANT stems; PLANT shoots
- Publication
Tecno-Lógica, 2020, Vol 24, Issue 2, p142
- ISSN
1982-6753
- Publication type
Article
- DOI
10.17058/tecnolog.v24i2.14551