Huerta, E., Valier, O., Romero, D., & Jarquin, A. (2010). Effect off three earthworm species on soil fertility and the growth of maize (Zea mays) seedlings. Instituto de Ecología, A.C.
Chicago-čujuhus (17. p.)Huerta, Esperanza, Olivia Valier, Day Romero, juo Aaron Jarquin. Effect off Three Earthworm Species on Soil Fertility and the Growth of Maize (Zea Mays) Seedlings. Instituto de Ecología, A.C, 2010.
MLA-čujuhus (9. p.)Huerta, Esperanza, et al. Effect off Three Earthworm Species on Soil Fertility and the Growth of Maize (Zea Mays) Seedlings. Instituto de Ecología, A.C, 2010.
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