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Effects of Nano-carbon Humic Acid Water-retaining Fertilizer on Citrus Growth and the Soil Bacterial Community in Citrus Field 被引量:1
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作者 Men Shuhui Ding Fangjun +3 位作者 Zhang Hong Ke Chao Zhang Shiwei Huang Zhanbin 《Meteorological and Environmental Research》 CAS 2018年第6期84-89,共6页
[Objective] In order to reveal the effects of reducing the amount of novel nano-carbon humic acid water-retaining fertilizer(CSF) on soil microbial community structure and citrus growth. [Method]In this study,conventi... [Objective] In order to reveal the effects of reducing the amount of novel nano-carbon humic acid water-retaining fertilizer(CSF) on soil microbial community structure and citrus growth. [Method]In this study,conventional fertilization was as the control(KC1) in Wanzhou citrus orchard of Three Gorges Reservoir area. CSF reductions by 0%(KC2),10%(KC3),20%(KC4),30%(KC5) and 40%(KC6) were used to analyze the changes of soil bacterial community structure,citrus yield and quality. [Result]The results showed that the observed species,Shannon index,Chao1 index and PDwholetree of KC6 were higher than those of KC1,and were the same as KC2. The abundance of Xanthomonadaceae was the highest in KC5. Compared with KC1,the Xanthomonadaceae in KC3,KC4 and KC6 was significantly decreased,and the levels of Nitrosomonadaceae and Pseudomonasaceae were higher than that of KC1 after the treatment of KC6. Sphingomonas in different reduction treatments was lower than that of KC1,but Burkholderia and Pseudomonas were significantly higher than those of KC1. It was found that the similarity among treatments was small after bacterial community similarity clustering analysis,and citrus yield increased somewhat after CSF fertilization reduction.When CSF fertilization reduced by 30%,citrus yield increased by 4. 50%. When CSF fertilization reduced by 40%,citrus yield decreased by4. 14%. After CSF fertilization,citrus quality did not change significantly in CSF conventional fertilization and reduction of 10% and 40%,while significantly decreased in 20% and 30% of fertilization reduction. [Conclusion] CSF fertilization reduction changed the diversity of soil bacterial community structure and the yield and quality of citrus. 展开更多
关键词 Nano-carbon humic acid water-retaining fertilizer(CSF) Soil bacteria Community structure Yield Quality
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Experiment of Water Soluble Fertilizers Containing Humic Acid in Tomato Planting
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作者 Juqing GE 《Asian Agricultural Research》 2022年第7期58-59,62,共3页
As a natural macromolecular organic compound,humic acid can promote plant growth.Water soluble humic acid fertilizers refer to liquid or solid water soluble fertilizers made by adding appropriate amounts of nitrogen,p... As a natural macromolecular organic compound,humic acid can promote plant growth.Water soluble humic acid fertilizers refer to liquid or solid water soluble fertilizers made by adding appropriate amounts of nitrogen,phosphorus,potassium macroelements or zinc,boron,iron,molybdenum,manganese,copper and other trace elements or organic matter,based on humic acid in the required proportions for plant growth.In order to verify the application effect of humic acid containing water soluble fertilizer produced by Tai’an Gold Land Chemical Co.,Ltd.,in tomato production in Daiyue District,Tai’an City,a fertilizer effect application experiment of humic acid containing water soluble fertilizer on tomato planting was specially carried out.The results showed that the water soluble fertilizer containing humic acid could obviously improve the agronomic characters of tomato;the yield was significantly increased;the effect of increasing the income of tomato growers was obvious. 展开更多
关键词 Water soluble fertilizers containing humic acid TOMATO fertilizer efficiency
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