Preparation of Bio-organic Fertilizer with Green Walnut Residues as Raw Materials and Its Application on Grape
Yang Yang
Tang Xiaoning
Zhang Jiakui
Yu Xiangrong
Su Ling
Ma Jianjun
Abstract：Taking green walnut residues after physical extrusion as raw materials,together with different proportions of edible fungi slags and ashes,the bio-organic fertilizer was prepared by inoculating with different microbial agents in fermentation process.In this study,the orthogonal test with two factors (material ratio and microbial agent) and three levels was set up.A total of 9 treatments were made to conduct composting fermentation.After the bio-organic fertilizer completely ripened,each index of different treatments were analyzed.The results showed that when the proportion of green walnut residues accounted for 40％ ～ 60％ in the raw materials,the effect of fermentation was better with a total of over 1.1 × 108 cfu/g effective bacteria,over 64％ organic matter content and a total of over 5％ nutrient (N + P2O5 + K2O),which were consistent with and even better than the standards of bio-organic fertilizer industry (NY525-2012).Among them,the A1B2,A2B2 and A3B2 treatment groups with 0.1％ solid mixed-fermenting agent B2 had fast fermentation rate and short cycle.The composting fermentation completed in 23 ～ 25 days and the indicators were all better than other treatments.The results of field fertilizer experiment indicated that each physiological index of grape body in basal application of A1B2,A2B2 and A3B2 treatments was better than that of mixed farmyard manure treatment,and had no significant difference with conventional biological organic fertilizer treatment.
Keywords：Green walnut residuesBio-organic fertilizerMixed fermenting agentEM bacteriaPhotosynthetic bacteriaGrape
Publication Date：2017-11-01
Online Publishing Date：2026-05-22(First online date of this platform, not the publication date of the document)
Pages：5( 86-90 )