Produção Nacional
Soil evaluation for pineapple cultivation (ananás comosus) in the municipality of Teotônio Vilela, Alagoas
2019; Brazilian Journal of Development; Volume: 5; Issue: 11 Linguagem: Inglês
10.34117/bjdv5n11-016
ISSN2525-8761
AutoresCosme Ângelo Silva, Aldo Luiz Maximino Romeiro, Thamyres Valeriano Teixeira, Maria J. H. Leite, Pedro Henrique de Melo Cavalcante, Roberta Patrícia Sousa Silva, Sérvio Túlio Pereira Justino, Gabriela Gomes Ramos de Sousa, Ediglécia Pereira de Almeida, Amanda de Lira Freitas, N. Andrade, Elisson Teixeira Silva, Patrícia Silva dos Santos,
Tópico(s)Agricultural and Food Sciences
ResumoSoil fertility is one of the crucial factors for agriculture, which has as its main objective the increase of its production.This is why it is extremely important to know the nutritional requirement of the cultivar.The present study aimed to evaluate soil fertility in the municipality of Teotônio Vilela -Alagoas, in the Laudelino farm, emphasizing the quantification of the nutrients needed to guarantee the agricultural productivity for the pineapple crop (Ananás comosus).For this purpose, a random sampling of soil was initiated in the area 1.0 hectare in the layer of 0-20 cm of depth.Fifteen samples were collected (each sample with approximately 0.5 DM ³ of soil) from simple collection were mixed to compose a single composite sample and, from this, 1.0 kg of soil was withdrawn for posterior soil fertility analyses.Carried out in the soil Laboratory of the Agrarian Sciences Center (ECSC) of the Universidade Federal de Alagoas (UFAL) located in the municipality of Rio Largo, AL.We analyzed the potential hydrogenionic (pH), phosphorus (P) and potassium (K +) accessible; Calcium (Ca + 2) and magnesium (Mg + 2) exchangeable; Exchangeable aluminum saturation (m%), CTC cation exchange capacity at pH 7.0 (T); Base sum (V%) and Organic matter (OM).It was observed that the results showed the following values: Ca + 2 contents (3.42 Cmolc/DM ³), CTC (T) (10.73 Cmolc/DM ³); K + (110 mg/DM ³), Mg + 2 (2.53 Cmolc/DM ³), Al + 3 (0.03 Cmolc/DM ³), MO (14.1 g/kg), P (5.0 mg/DM ³), M% (0.0), pH (5.6) and V% (59.0).From the results found, it is concluded that it will not be necessary to apply limestone to increase the base saturation to 60%, because 59% as found in the soil already satimakes nutritional need of the culture in question.In addition to this correction, it
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