Journal of Resources and Ecology ›› 2022, Vol. 13 ›› Issue (3): 511-517.DOI: 10.5814/j.issn.1674-764x.2022.03.015
• Some Hot Topics in Ecology and Resources Use (Guest Editors: MIN Qingwen, SHI Peili) • Previous Articles Next Articles
YANG Lun1(), LIU Moucheng1, YANG Xiao1, MIN Qingwen1,2,*(
)
Received:
2021-08-22
Accepted:
2021-12-22
Online:
2022-05-30
Published:
2022-04-18
Contact:
MIN Qingwen
About author:
YANG Lun, E-mail: yanglun@igsnrr.ac.cn
Supported by:
YANG Lun, LIU Moucheng, YANG Xiao, MIN Qingwen. A Review of the Contemporary Eco-Agricultural Technologies in China[J]. Journal of Resources and Ecology, 2022, 13(3): 511-517.
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URL: http://www.jorae.cn/EN/10.5814/j.issn.1674-764x.2022.03.015
Resource | Technology name | Content |
---|---|---|
Water | High-efficiency water-saving irrigation technology | This technology includes measures such as sprinklers and drip irrigation. The water-saving effect can generally reach 30%, and it has the advantages of long irrigation time and short irrigation period (Grafton et al., |
Concealed pipe drainage technology | This technology involves burying pipelines with a water seepage function underground to control the groundwater level, adjust soil moisture, and improve soil physical and chemical properties. At present, this technology is also mainly used for drainage and salt discharge (Shi et al., | |
Water and fertilizer integration technology | This technology uses a pressure system to mix soluble fertilizers according to crop types and growing fertilizer requirements. A fertilizer solution is mixed with irrigation water through a controllable pipeline system to supply both water and fertilizer to the plants (Wang et al., | |
Efficient utilization technology of multiple water sources in farmland | This technology realizes the efficient use of alternative water sources, such as shallow brackish and rainwater, to reduce deep groundwater withdrawal (Liu and Zhang, | |
Soil | Conservation tillage | This technology achieves water conservation and moisture conservation goals through straw residue treatment, no-tillage fertilization sowing, deep soil loosening, and weed pest control |
Soil fertility technology | This technology uses minerals (such as calcium chloride, potassium ore powder, phosphate rock powder), plants (such as legumes), and animals (such as animal manure) as fertilizer sources to improve soil fertility (He, 2019) | |
Soil erosion prevention and management technology | This technology uses small watersheds to rationally arrange the land for agriculture, forestry, animal husbandry, and fishery to protect the water and soil (Li and Lai, | |
Pesticides & fertilizers | Green plant protection technology | This technology realizes the ecological prevention and control of crop diseases and insect pests through prediction and forecasting, physical prevention and control, biological prevention and control, source control of diseases and insect pests, and ecological regulation (Xia, |
Fertilizer-reducing technology | This technology can effectively reduce chemical fertilizer input and improve soil fertility through measures such as optimized fertilization by soil testing formulas, deep fertilization on the side of the machine, organic fertilizer replacement of some chemical fertilizers, and an anhydrous layer topdressing (Tang et al., |
Table 1 Some technologies used to realize the precision input of material resources
Resource | Technology name | Content |
---|---|---|
Water | High-efficiency water-saving irrigation technology | This technology includes measures such as sprinklers and drip irrigation. The water-saving effect can generally reach 30%, and it has the advantages of long irrigation time and short irrigation period (Grafton et al., |
Concealed pipe drainage technology | This technology involves burying pipelines with a water seepage function underground to control the groundwater level, adjust soil moisture, and improve soil physical and chemical properties. At present, this technology is also mainly used for drainage and salt discharge (Shi et al., | |
Water and fertilizer integration technology | This technology uses a pressure system to mix soluble fertilizers according to crop types and growing fertilizer requirements. A fertilizer solution is mixed with irrigation water through a controllable pipeline system to supply both water and fertilizer to the plants (Wang et al., | |
Efficient utilization technology of multiple water sources in farmland | This technology realizes the efficient use of alternative water sources, such as shallow brackish and rainwater, to reduce deep groundwater withdrawal (Liu and Zhang, | |
Soil | Conservation tillage | This technology achieves water conservation and moisture conservation goals through straw residue treatment, no-tillage fertilization sowing, deep soil loosening, and weed pest control |
Soil fertility technology | This technology uses minerals (such as calcium chloride, potassium ore powder, phosphate rock powder), plants (such as legumes), and animals (such as animal manure) as fertilizer sources to improve soil fertility (He, 2019) | |
Soil erosion prevention and management technology | This technology uses small watersheds to rationally arrange the land for agriculture, forestry, animal husbandry, and fishery to protect the water and soil (Li and Lai, | |
Pesticides & fertilizers | Green plant protection technology | This technology realizes the ecological prevention and control of crop diseases and insect pests through prediction and forecasting, physical prevention and control, biological prevention and control, source control of diseases and insect pests, and ecological regulation (Xia, |
Fertilizer-reducing technology | This technology can effectively reduce chemical fertilizer input and improve soil fertility through measures such as optimized fertilization by soil testing formulas, deep fertilization on the side of the machine, organic fertilizer replacement of some chemical fertilizers, and an anhydrous layer topdressing (Tang et al., |
Technology type | Technology name | Content |
---|---|---|
Agricultural residue utilization technologies | The utilization of crop straw as fertilizer | This technology includes the direct return of straw to the field (such as straw mulching and return to the area) and indirect return (such as rapid decomposing, returning to the field by stacking) (Chen et al., |
The feed product technology for vegetable residues | This technology converts vegetable residues into feed by biological or physical processing, which replaces all or part of the feed (Yang et al., | |
Biocontrol agents in the soil microbial community | This technology uses wastes such as straw as carriers to apply beneficial biocontrol bacteria to the soil in order to provide CO2, increase the ground temperature, and prevent and inhibit disease (Zhang et al., | |
Composting reactor | This technology uses a highly automated composting reactor to realize the timely and harmless treatment of manure and other organic waste (Zhang et al., | |
High-efficiency compound agricultural system | Mulberry-dyke-fish-pond system | This system is composed of mulberry, silkworm, and fish. It is an interrelated system that fully executes the production potential and makes reasonable use of the land-water resources (Zhong, |
Pig-biogas-fruit model | This model organically integrates biogas digesters, pig houses, toilets, orchards, and micro-pools. Livestock and poultry manure is fermented into the ponds to produce biogas and fertilizer, and the biogas and fertilizer are used for cooking, lighting, and planting (Wang et al., 2013) |
Table 2 Some technologies used to improve material circulation efficiency
Technology type | Technology name | Content |
---|---|---|
Agricultural residue utilization technologies | The utilization of crop straw as fertilizer | This technology includes the direct return of straw to the field (such as straw mulching and return to the area) and indirect return (such as rapid decomposing, returning to the field by stacking) (Chen et al., |
The feed product technology for vegetable residues | This technology converts vegetable residues into feed by biological or physical processing, which replaces all or part of the feed (Yang et al., | |
Biocontrol agents in the soil microbial community | This technology uses wastes such as straw as carriers to apply beneficial biocontrol bacteria to the soil in order to provide CO2, increase the ground temperature, and prevent and inhibit disease (Zhang et al., | |
Composting reactor | This technology uses a highly automated composting reactor to realize the timely and harmless treatment of manure and other organic waste (Zhang et al., | |
High-efficiency compound agricultural system | Mulberry-dyke-fish-pond system | This system is composed of mulberry, silkworm, and fish. It is an interrelated system that fully executes the production potential and makes reasonable use of the land-water resources (Zhong, |
Pig-biogas-fruit model | This model organically integrates biogas digesters, pig houses, toilets, orchards, and micro-pools. Livestock and poultry manure is fermented into the ponds to produce biogas and fertilizer, and the biogas and fertilizer are used for cooking, lighting, and planting (Wang et al., 2013) |
Technology type | Technology name | Content |
---|---|---|
Ecological planting and breeding in rice fields | Rice-fish system | In the rice-fish system, rice and weeds are producers. Grass carp, carp, and other fish are consumers, and bacteria and fungi are decomposers |
Aquaponics system | An aquaponics system organically combines aquaculture and hydroponic cultivation to produce two kinds of economic crops (aquatic products and vegetables) simultaneously (Qiu et al., | |
Agroforestry | Non-timber forestry-based economy | The non-timber forestry-based economy is a kind of forest agricultural system that fully uses forest resources and shade space. It combines under-forest planting, under-forest aquaculture, forest landscape utilization, and under-forest product processing to obtain win-win economic and ecological benefits through proper management |
Rotation/Interplanting /Intercropping | Rotation is a method of planting different crops on the same field. Intercropping is a planting method in which two or more crops are planted alternately in the same area and within the same growth period. Interplanting refers to planting between rows of crops in the late growth period of the previous crops or transplanting the produce of the subsequent crops (Li and Lai, | |
Marine ecological agriculture technologies | Fish-algae system | The fish-algae system uses a variety of large seaweeds to treat the wastewater produced by intensive fish farming. It can realize the mutual supplementation of the ecological functions of large seaweeds and marine fishes and improve the quality of aquaculture water (Mao et al., |
Shrimp-algae system | The shrimp-algae system can achieve economic and ecological benefits through the co-cultivation of large tropical or temperate economic seaweeds like kelp and laver in the prawn ponds (Dong et al., | |
Shellfish-algae system | In the shellfish-algae system, the leading role of shellfish is to filter phytoplankton and organic particles in the water, forming a large amount of sediment which provides nutrients for benthic algae (Yang and Zhou, | |
Marine ranch | The marine ranch is a fishery resource proliferation technology that uses artificial reefs, seaweed beds, and seagrass beds to achieve biological proliferation and ecological monitoring (Liu et al., |
Table 3 Some technologies that use the principle of species symbiosis
Technology type | Technology name | Content |
---|---|---|
Ecological planting and breeding in rice fields | Rice-fish system | In the rice-fish system, rice and weeds are producers. Grass carp, carp, and other fish are consumers, and bacteria and fungi are decomposers |
Aquaponics system | An aquaponics system organically combines aquaculture and hydroponic cultivation to produce two kinds of economic crops (aquatic products and vegetables) simultaneously (Qiu et al., | |
Agroforestry | Non-timber forestry-based economy | The non-timber forestry-based economy is a kind of forest agricultural system that fully uses forest resources and shade space. It combines under-forest planting, under-forest aquaculture, forest landscape utilization, and under-forest product processing to obtain win-win economic and ecological benefits through proper management |
Rotation/Interplanting /Intercropping | Rotation is a method of planting different crops on the same field. Intercropping is a planting method in which two or more crops are planted alternately in the same area and within the same growth period. Interplanting refers to planting between rows of crops in the late growth period of the previous crops or transplanting the produce of the subsequent crops (Li and Lai, | |
Marine ecological agriculture technologies | Fish-algae system | The fish-algae system uses a variety of large seaweeds to treat the wastewater produced by intensive fish farming. It can realize the mutual supplementation of the ecological functions of large seaweeds and marine fishes and improve the quality of aquaculture water (Mao et al., |
Shrimp-algae system | The shrimp-algae system can achieve economic and ecological benefits through the co-cultivation of large tropical or temperate economic seaweeds like kelp and laver in the prawn ponds (Dong et al., | |
Shellfish-algae system | In the shellfish-algae system, the leading role of shellfish is to filter phytoplankton and organic particles in the water, forming a large amount of sediment which provides nutrients for benthic algae (Yang and Zhou, | |
Marine ranch | The marine ranch is a fishery resource proliferation technology that uses artificial reefs, seaweed beds, and seagrass beds to achieve biological proliferation and ecological monitoring (Liu et al., |
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