Vermicompost to recover the fertility of sandy loam soil and peanut (Arachis hypogaea L.) yield

  • Carla Anahí Ramos Oseguera El Colegio de La Frontera Sur
  • Adriana Elena Castro Ramírez
  • Noé Samuel León Martínez
  • José David Álvarez Solís
  • Esperanza Huerta Lwanga
Keywords: microbial activity, agro-ecological management, organic matter, physicochemical properties


Peanut production is a significant source of income for Chiapas, which is the country’s second largest producer. Jiquipilas is one of the producing municipalities of the state; however, its yield has decreased in the last four years (from 2.4 to 1.45 Mg ha‑1) probably due to the intensive management, propitiating the gradual deterioration of the physical, chemical and biological properties of the soil (loss of fertility). In sandy loam soils, we evaluated the changes in said properties after addition of vermicompost and how these, in turn, affected crop yield. The study was conducted in a single crop cycle (2016), in a plot traditionally planted with peanuts (Arachis hypogaea L.) in the ejido of Jose Maria Pino Suarez, Jiquipilas, Chiapas. The vermicompost was made with agricultural residues of the region (manure, corn and peanut waste). We experimented with four different doses of vermicompost (300, 225, 150, and 75 g), which were complemented with agroecological management (without chemical inputs and incorporation of manually pulled and cut weeds between rows as dead cover). Soil with intensive management (application of fertilizers, insecticides, synthetic herbicides) and soil with agroecological management were considered as controls. The addition of vermicompost to the soil had a positive effect on physical properties (field capacity, real density and porous spaces); in terms of chemical properties, there were positive results in the availability of phosphorus, potassium, iron and manganese, as well as in the pH. Higher CO2 emissions were also obtained due to microbial activity. The emergence of plants and their flowering occurred in less time with vermicompost. Although there is a clear trend toward higher crop yield with the addition of vermicompost, there were no statistically significant differences.

Author Biography

Carla Anahí Ramos Oseguera, El Colegio de La Frontera Sur
Tengo la carrera de Ingeniería en Biotecnología, egresada en el 2012, actualmente estoy terminando la Maestría en Ciencias de Recursos Naturales y Desarrollo Rural
Scientific Papers