Abstract
Novel technologies have been necessary for improving fruit quality and productivity of citrus,labor-saving and orchard conservation on steep slope lands since aging of growers and decrease in the number of successors is remarkable in mountain areas of southwestern Japan. The purpose of this paper is to introduce new technologies for improving citrus production that have been developed in recent years. A new fruit quality control system using drip irrigation and liquid fertilization technique combined with year-round plastic mulching was developed, and it enables high quality and stable citrus fruit production. Water and/or nutrient solution is automatically supplied through drip tubes that are laid under the mulching sheets to give adequate water stress, so as to improve sugar and acid content of fruit. A new transportation system for steep sloping citrus orchards, which is a combination of the monorail system and contour narrow paths, was suggested. A small walking cultivator was developed to explain the procedure of narrow path excavation. After introducing the narrow path, working hours for fertilizer and chemical herbicide application were reduced. Disaster prevention mapping of citrus orchards on slope lands was developed based on computer-aided seepage estimation and topographic data. The mapping can show zones of both ascending flow and descending flow of underground water during heavy rains in citrus orchards. The mapping is considered to be effective for the management of orchards and prevention of erosion on slope lands.
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Claims 6
Claim · model-written summary
A drip irrigation, liquid fertilization and year-round mulching system enabled stable high quality citrus production.
- Outcome
- high quality and stable citrus fruit productione0
CitrusNot reportedComparatorValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A new fruit quality control system using drip irrigation and liquid fertilization technique combined with year-round plastic mulching was developed, and it enables high quality and stable citrus fruit production”
Claim · model-written summary
Automatic water or nutrient supply imposed adequate water stress to improve fruit sugar and acid content.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Water and/or nutrient solution is automatically supplied through drip tubes that are laid under the mulching sheets to give adequate water stress, so as to improve sugar and acid content of fruit”
t0“citrus”
Claim · model-written summary
A monorail and contour path transportation system was suggested for steep citrus orchards.
- Outcome
- transportation system for steep sloping citrus orchardse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A new transportation system for steep sloping citrus orchards, which is a combination of the monorail system and contour narrow paths, was suggested”
Claim · model-written summary
Narrow paths reduced fertilizer and herbicide application working hours.
- Treatment
- narrow pathe0
- Outcome
- working hours for fertilizer and chemical herbicide applicatione0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“After introducing the narrow path, working hours for fertilizer and chemical herbicide application were reduced”
t0“citrus”
Claim · model-written summary
The mapping identified ascending and descending underground water flow zones during heavy rain.
- Outcome
- zones of both ascending flow and descending flow of underground watere0
Not reportedComparatorValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The mapping can show zones of both ascending flow and descending flow of underground water during heavy rains in citrus orchards”
Claim · model-written summary
The mapping was considered useful for orchard management and erosion prevention.
- Outcome
- effective for the management of orchards and prevention of erosione0
Not reportedComparatorValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The mapping is considered to be effective for the management of orchards and prevention of erosion on slope lands”
t0“citrus”
The same questions in other papers
fertilization · molecular: metabolites · CitrusResults agree
6 papers in the same direction as this paper
- positive
- positive
- positive
3 papers more in this group
See all 7 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.