Volume & Issue: Volume 8, Issue 3, September 2019 
1. Liquid feather protein hydrolysate as a potential fertilizer to increase growth and yield of patchouli (Pogostemon cablin Benth) and mung bean (Vigna radiata)

Pages 221-232


Anissa Nurdiawati; Cucu Suherman; Yudithia Maxiselly; Maulana Ali Akbar; Bayu Adji Purwoko; Pandji Prawisudha; Kunio Yoshikawa

2. Gneiss and steatite vermicomposted with organic residues: Release of nutrients and heavy metals

Pages 233-240


Maria Eunice Paula de Souza; Irene Maria Cardoso; André Mundstock Xavier de Carvalho; Andreia Paiva Lopes; Ivo Jucksch

8. Nutrient content of fermented fertilizers and its efficacy in combination with hydrogel in Zea mays L.

Pages 309-315


Mario Alejandro Hernández Chontal; Catalino Jorge López Collado; Nereida Rodríguez Orozco; Joel Velasco Velasco; Ariadna Linares Gabriel; Gustavo López Romero

9. Change of soil quality based on humic acid with date palm compost incorporation

Pages 317-324


Hadda Ben Mbarek; Imen Ben Mahmoud; Rayda Chaker; Hafedh Rigane; Sameh Maktouf; Aissa Arous; Nabil Soua; Mouna Khlifi; Kamel Gargouri