Resumo

CERVANTES VAZQUEZ, Tomás Juan Álvaro et al. Chemical and organic fertilization in the production of watermelon in northern Mexico. Rev. Mex. Cienc. Agríc [online]. 2018, vol.9, n.spe20, pp.4263-4275. ISSN 2007-0934.  https://doi.org/10.29312/remexca.v0i20.996.

In the present study, the effect of fertilization with solarized bovine manure and vermicompost at different levels in the watermelon crop variety PEACOCK WR124 was evaluated. A watering system was used. The study factors were bovine manure (FE) and vermicompost (FV) at different levels. In the case of FE: 0, 40, 60, 80 t ha-1, chemical fertilization (FQ) 120-60 and for FV: 0, 3, 6, 9 t ha-1. An experimental block design was used randomly with arrangement in stripes with three repetitions. The soil variables studied were: electrical conductivity, pH, organic matter and nitrates at three depths (0 to 15, 15 to 30 and 30 to 45 cm). The yield and total soluble solids in fruit were evaluated. The highest values of organic matter (3.23%) and nitrates (39.71 mg kg-1) were found in the depth from 0 to 15 cm, corresponding to the treatment of 80 t ha-1 of solarized bovine manure and 9 t ha-1 of vermicompost, showing an increase due to the interaction of organic fertilizers. Significant statistical difference was found in CE and soil pH. The best yields were associated with the treatment of vermicompost of 3 t ha-1 with the chemical treatment, with a yield of 32 t ha-1.

Palavras-chave : Citrullus lanatus L.; solarized manure; watering by strip; vermicompost.

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