LIU Xia,JIN Ning,WANG Xue-fu,et al.Effects of Initial Raw Material Composition on Chemical Properties of Weathered Coal Based Fertilizer[J].HEILONGJIANG AGRICULTURAL SCIENCES,2021,(01):51-54.[doi:10.11942/j.issn1002-2767.2021.1.0051]
初始原料组成对风化煤基肥化学性质的影响
- Title:
- Effects of Initial Raw Material Composition on Chemical Properties of Weathered Coal Based Fertilizer
- Keywords:
- weathered coal; compost; organic matter; free humic acid
- 文献标志码:
- A
- 摘要:
- 为促进风化煤和玉米秸秆的多途径处理和利用,达到改良土壤的目的,以风化煤为基础原料,选用不同的其他初始原料(水、玉米秸秆、草木灰和人粪尿)与其进行堆肥发酵,共设5个处理,堆肥腐熟后,分别测定各处理的pH、游离腐植酸、有机质、总养分、全氮、P2O5和K2O的含量,研究不同初始原料组成对风化煤基肥化学性质的影响。结果表明:风化煤和人粪尿混合发酵堆肥的有机质含量最高,为81.58%;风化煤、人粪尿和玉米秸秆混合发酵堆肥次之,有机质含量为74.23%;游离腐植酸含量以风化煤与人粪尿和玉米秸秆混合发酵堆肥最高,为5.22%;总养分、全氮和P2O5含量亦均以风化煤与人粪尿和玉米秸秆混合发酵堆肥最高,分别为2.35%、0.880% 和0.385%;K2O含量,以风化煤、人粪尿和草木灰混合发酵最高,为1.21%。因此,较为适宜的堆肥原料组成是风化煤与人粪尿和玉米秸秆按质量比2∶1∶1的比例混合堆肥发酵。
- Abstract:
- In order to promote the multi-channel treatment and utilization of weathered coal and corn straw and achieve the purpose of soil improvement,weathered coal was used as the basic raw material,and different initial raw materials (water,corn straw,plant ash and human manure)were selected for composting and fermentation.A total of 5 treatments were set up.After the compost was decomposed,the pH,free humic acid content,organic matter content,total nutrient content,total nitrogen content,P2O5 content and K2O content of each treatment were determined to explore the influence of different initial raw material composition on chemical properties of weathered coal base fertilizer.The results showed that,the organic matter content of weathered coal and human manure compost was the highest (81.58%); the organic matter content of weathered coal,human manure and corn straw mixed fermentation compost was the second,with the organic matter content of 74.23%; the free humic acid content of weathered coal and human manure and corn straw mixed fermentation compost was the highest(5.22%);the contents of total nutrients,total nitrogen and P2O5 were also the highest among weathered coal,human manure and maize straw rice straw mixed fermentation compost,which was 2.35%,0.880% and 0.385%,respectively; the content of K2O in the mixed fermentation of weathered coal,human manure and plant ash was the highest(1.21%).Therefore,the most suitable composting material is the mixture of weathered coal,human manure and corn straw at the weight ratio of 2∶1∶1.
参考文献/References:
[1]马秀欣,赵宏波.我国泥炭、褐煤和风化煤的资源优势及其应用领域[J].中国煤炭,2004,30(9):47-49,56.
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备注/Memo
收稿日期:2020-09-21