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Soil degradation has become a global hot issue, and growers have long paid more attention to the increase of soil productivity and economic benefits and neglected soil cultivation
.
Jackfruit is a characteristic fruit tree widely planted in tropical and subtropical areas of China, and the partial application of chemical fertilizers for many years has led to the imbalance of soil nutrition, which not only causes low fertilizer utilization rate, fruit quality decline, but also causes ecological and environmental problems
such as soil acidification.
The research on the regulation mechanism of organic carbon pool by soil ecological network under the action of organic fertilizer can provide technical support
for soil fertility and sustainable soil use in hot areas.
.
Jackfruit is a characteristic fruit tree widely planted in tropical and subtropical areas of China, and the partial application of chemical fertilizers for many years has led to the imbalance of soil nutrition, which not only causes low fertilizer utilization rate, fruit quality decline, but also causes ecological and environmental problems
such as soil acidification.
The research on the regulation mechanism of organic carbon pool by soil ecological network under the action of organic fertilizer can provide technical support
for soil fertility and sustainable soil use in hot areas.
In the previous study, the research team of tropical woody grain of the Institute of Aromatic Beverage of the Chinese Academy of Thermal Sciences identified the microecological mechanism of synergy between organic and inorganic fertilizer at the seedling stage of jackfruit (research results published in Applied Soil Ecology, paper link: https://doi.
org/10.
1016/j.
apsoil.
2021.
103994).
。 Based on this, the team carried out long-term positioning observation experiments, and the results showed that the application of organic fertilizer could significantly increase the number of soil microorganisms and microphobivorous nematodes, reduce phytophagous nematodes, stimulate bacteria and saprophyte-symbiotic fungi related to the carbon cycle, accelerate the decomposition of organic matter by microorganisms, improve soil nutrients (full amount of nitrogen, phosphorus, potassium, organic matter and pH), maintain soil ecosystem functions, and increase yield by more than 20% compared with chemical fertilizers.
It lays a good foundation
for further research on the regulation of soil ecosystem functions and the reduction and efficiency of chemical fertilizer.
org/10.
1016/j.
apsoil.
2021.
103994).
。 Based on this, the team carried out long-term positioning observation experiments, and the results showed that the application of organic fertilizer could significantly increase the number of soil microorganisms and microphobivorous nematodes, reduce phytophagous nematodes, stimulate bacteria and saprophyte-symbiotic fungi related to the carbon cycle, accelerate the decomposition of organic matter by microorganisms, improve soil nutrients (full amount of nitrogen, phosphorus, potassium, organic matter and pH), maintain soil ecosystem functions, and increase yield by more than 20% compared with chemical fertilizers.
It lays a good foundation
for further research on the regulation of soil ecosystem functions and the reduction and efficiency of chemical fertilizer.
The research results were published in Frontiers in Microbiology under the title "Characteristics of soil microbiota and organic carbon distribution in jackfruit plantation under different fertilization regimes.
"
。 Assistant researcher Su Lanqian of the Research Laboratory of Cultivation and Agroecology is the first author of the paper, and the corresponding author is Tan Lehe, the leading expert of the team, and Xu Yadong, associate professor
of the College of Agriculture, Zhengzhou University.
The research was supported
by the National Natural Science Foundation of China (41907092) and the Natural Science Foundation of Hainan Province (322QN400).
"
。 Assistant researcher Su Lanqian of the Research Laboratory of Cultivation and Agroecology is the first author of the paper, and the corresponding author is Tan Lehe, the leading expert of the team, and Xu Yadong, associate professor
of the College of Agriculture, Zhengzhou University.
The research was supported
by the National Natural Science Foundation of China (41907092) and the Natural Science Foundation of Hainan Province (322QN400).
Links to papers: https://doi.
org/10.
3389/fmicb.
2022.
980169
org/10.
3389/fmicb.
2022.
980169
