Abstract
우리나라의 시설참외 주산지인 성주지역의 시설참외 연작 대책으로 객토와 심경에 의한 토양 화학성분의 변화와 뿌리혹선충 억제효과를 조사한 결과는 다음과 같다. 시설참외 연작 대책으로 많은 양의 객토를 함으로 EC는 4.30 dS/m에서 1.80 dS/m 58%, 유효인산은 406 mg/kg에서 182 mg/kg으로 55% 감축되고 유기물 함량이 16 g/kg에서 11 g/kg으로 31% 줄어 퇴비 등 각종 거름 사용량을 증가해야 하며 뿌리혹선충 밀도 억제효과는 1년 차 89%, 3년 차 84%, 5년 차 69%로 되어 근본 대책이 되지 못하면서 영농비 가중 및 환경 파괴의 문제가 수반되었다. 심토반전 효과도 객토와 비슷하여 EC 4.30 dS/m에서 1.98 dS/m 54% 줄고 유효인산 406 mg/kg에서 329 mg/kg으로 19% 줄었으며 뿌리혹선충 밀도 억제 효과는 처리 후 1년 차 71%, 3년 차 67%, 5년 차 42%가 되므로 처리 3년 이후에는 다른 대책이 필요하였다. To elucidate the effect of soil addition and subsoil plowing on the change of sell chemical properties and the reduction of root-knot nematode, this experiment carried out in continuous cropping field of protected oriental melon (Cucumis melo L.). Soil addition reduced electric conductivity (E. C.) from 4.3 to 1.8 dS/m (58%), available $P_2O_5$ from 406 to 182 mg/kg (55%) and organic matter content from 16 to 11 g/kg (31%). Population densities of root-knot nematode in soil reduced as much as 89%, 84%, and 69% at first year, third years, and of five years later, respectively The effects of subsoil plowing were similar to that of soil addition. E. C. and phosphate were reduced from 4.30 to 1.98 dS/m (54%) and phosphate from 406 to 329 mg/kg (19%), respectively. Population densities of root-knot nematode reduced as much as 71%, 67%, and 42% after 1, 3, and 5 years, respectively Subsoil plowing reduced nematode densities only for three years.
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Claims 12
Claim · model-written summary
Soil addition reduced electrical conductivity from 4.3 to 1.8 dS/m, a 58% reduction.
- Taxon
- Oriental Melon
.jpg?width=60)
Cucumis melot0 - Treatment
- Soil additione0
- Outcome
- electric conductivity (E. C.)e0
- Direction
- reducede0
- Value
- 58%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Soil addition reduced electric conductivity (E. C.) from 4.3 to 1.8 dS/m (58%)”
t0“Oriental Melon”
Claim · model-written summary
Soil addition reduced available phosphate from 406 to 182 mg/kg, a 55% reduction.
- Taxon
- Oriental MelonCucumis melot0
- Treatment
- Soil additione0
- Outcome
- available $P_2O_5$e0
- Direction
- reducede0
- Value
- 55%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Soil addition reduced electric conductivity (E. C.) from 4.3 to 1.8 dS/m (58%), available $P_2O_5$ from 406 to 182 mg/kg (55%)”
t0“Oriental Melon”
Claim · model-written summary
Soil addition reduced organic matter content from 16 to 11 g/kg, a 31% reduction.
- Taxon
- Oriental MelonCucumis melot0
- Treatment
- Soil additione0
- Outcome
- organic matter contente0
- Direction
- reducede0
- Value
- 31%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Soil addition reduced electric conductivity (E. C.) from 4.3 to 1.8 dS/m (58%), available $P_2O_5$ from 406 to 182 mg/kg (55%) and organic matter content from 16 to 11 g/kg (31%)”
t0“Oriental Melon”
Claim · model-written summary
Soil addition reduced soil root-knot nematode density by 89% at first year.
- Taxon
- Oriental MelonCucumis melot0
- Treatment
- Soil additione1
- Interactor
- root-knot nematode
_penetrates_a_tomato_root_-_USDA-ARS.jpg?width=60)
Meloidogynee0pest - Outcome
- Population densities of root-knot nematode in soile0
- Direction
- reducede0
- Value
- 89%e0
- Qualifier
- first yeare0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_penetrates_a_tomato_root_-_USDA-ARS.jpg?width=500)
Verbatim
e0“Population densities of root-knot nematode in soil reduced as much as 89%, 84%, and 69% at first year, third years, and of five years later, respectively”
e1“Soil addition reduced electric conductivity (E. C.) from 4.3 to 1.8 dS/m (58%)”
t0“Oriental Melon”
Claim · model-written summary
Soil addition reduced soil root-knot nematode density by 84% at third years.
- Taxon
- Oriental MelonCucumis melot0
- Treatment
- Soil additione1
- Interactor
- root-knot nematodeMeloidogynee0pest
- Outcome
- Population densities of root-knot nematode in soile0
- Direction
- reducede0
- Value
- 84%e0
- Qualifier
- third yearse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Population densities of root-knot nematode in soil reduced as much as 89%, 84%, and 69% at first year, third years, and of five years later, respectively”
e1“Soil addition reduced electric conductivity (E. C.) from 4.3 to 1.8 dS/m (58%)”
t0“Oriental Melon”
Claim · model-written summary
Soil addition reduced soil root-knot nematode density by 69% at five years later.
- Taxon
- Oriental MelonCucumis melot0
- Treatment
- Soil additione1
- Interactor
- root-knot nematodeMeloidogynee0pest
- Outcome
- Population densities of root-knot nematode in soile0
- Direction
- reducede0
- Value
- 69%e0
- Qualifier
- five years latere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Population densities of root-knot nematode in soil reduced as much as 89%, 84%, and 69% at first year, third years, and of five years later, respectively”
e1“Soil addition reduced electric conductivity (E. C.) from 4.3 to 1.8 dS/m (58%)”
t0“Oriental Melon”
Claim · model-written summary
Subsoil plowing reduced electrical conductivity from 4.30 to 1.98 dS/m, a 54% reduction.
- Taxon
- Oriental MelonCucumis melot0
- Treatment
- Subsoil Plowingt0
- Outcome
- E. C.e0
- Direction
- reducede0
- Value
- 54%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“E. C. and phosphate were reduced from 4.30 to 1.98 dS/m (54%) and phosphate from 406 to 329 mg/kg (19%), respectively”
t0“Subsoil Plowing on the Change of Soil Chemical Properties and the Reduction of Root-Knot Nematode in Continuous Cropping Field of Oriental Melon”
Claim · model-written summary
Subsoil plowing reduced phosphate from 406 to 329 mg/kg, a 19% reduction.
- Taxon
- Oriental MelonCucumis melot0
- Treatment
- Subsoil Plowingt0
- Outcome
- phosphatee0
- Direction
- reducede0
- Value
- 19%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“E. C. and phosphate were reduced from 4.30 to 1.98 dS/m (54%) and phosphate from 406 to 329 mg/kg (19%), respectively”
t0“Subsoil Plowing on the Change of Soil Chemical Properties and the Reduction of Root-Knot Nematode in Continuous Cropping Field of Oriental Melon”
Claim · model-written summary
Subsoil plowing reduced root-knot nematode populations by 71% after 1.
- Taxon
- Oriental MelonCucumis melot0
- Treatment
- Subsoil Plowingt0
- Interactor
- root-knot nematodeMeloidogynee0pest
- Outcome
- Population densities of root-knot nematodee0
- Direction
- reducede0
- Value
- 71%e0
- Qualifier
- 1e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Population densities of root-knot nematode reduced as much as 71%, 67%, and 42% after 1, 3, and 5 years, respectively”
t0“Subsoil Plowing on the Change of Soil Chemical Properties and the Reduction of Root-Knot Nematode in Continuous Cropping Field of Oriental Melon”
Claim · model-written summary
Subsoil plowing reduced root-knot nematode populations by 67% after 3.
- Taxon
- Oriental MelonCucumis melot0
- Treatment
- Subsoil Plowingt0
- Interactor
- root-knot nematodeMeloidogynee0pest
- Outcome
- Population densities of root-knot nematodee0
- Direction
- reducede0
- Value
- 67%e0
- Qualifier
- 3e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Population densities of root-knot nematode reduced as much as 71%, 67%, and 42% after 1, 3, and 5 years, respectively”
t0“Subsoil Plowing on the Change of Soil Chemical Properties and the Reduction of Root-Knot Nematode in Continuous Cropping Field of Oriental Melon”
Claim · model-written summary
Subsoil plowing reduced root-knot nematode populations by 42% after 5.
- Taxon
- Oriental MelonCucumis melot0
- Treatment
- Subsoil Plowingt0
- Interactor
- root-knot nematodeMeloidogynee0pest
- Outcome
- Population densities of root-knot nematodee0
- Direction
- reducede0
- Value
- 42%e0
- Qualifier
- 5e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Population densities of root-knot nematode reduced as much as 71%, 67%, and 42% after 1, 3, and 5 years, respectively”
t0“Subsoil Plowing on the Change of Soil Chemical Properties and the Reduction of Root-Knot Nematode in Continuous Cropping Field of Oriental Melon”
Claim · model-written summary
The authors conclude that subsoil plowing suppresses nematodes for only three years.
- Taxon
- Oriental MelonCucumis melot0
- Outcome
- reduced nematode densities only for three yearse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Subsoil plowing reduced nematode densities only for three years”
t0“Oriental Melon”
The same questions in other papers
tillage · molecular: metabolites · Cucumis melo (muskmelon)Positive and negative results
1 in the opposite direction
- negative
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.