Organic substrates in the production of sweet pepper
DOI:
https://doi.org/10.29312/remexca.v3i6.1372Keywords:
Capsicum annum L., ammonium, green house, nitratesAbstract
The present work pretends to give information about the use of organic substrates made from bovine manure treated for the production of sweet peppers. The research was made in a green house from 2010-2011 at the Instituto Tecnológico de Torreon (ITT), in Torreon, Coahuila. It was randomized blocks design; considering four treatments with then replications: T1= VermicompostA + Sand; T2= Biocompost + Sand; T3= VermicompostB + Sand and T4= Sand (check; Steiner solution). The substrates mixtures were formulated based on volume, keeping a proportion of 1:1 (v/v), using black polyethylene bags of 10 Kg weight. The genetic material used was the hybrid Calider of yellow fruit blocky type; the experiment was established en 2010-2011. The evaluated variables were plant height, yield and fruit quality, soluble solids, pH, EC, OM, nitrates and ammonium. The results showed a significant response, emphasizing on EC, pH, OM, nitrates, ammonium and yield; being the check treatment with the higher yield (6.93 kg mg-2), followed by vermicompost2 (5.24 kg m-2) and vermicompostA (4.95 kg m-2). The content of nitrates was higher in Biocompost with 540.51 mg Kg-1, followed by vermicompostB with 350.47 mg Kg-1. However the evaluated organic substrates showed an ideal chemical characteristic of a good substrate; low CE, high content of MO, pH between 7 and 8; a high content of nitrates and ammonium.
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