Abstract
Field studies were initiated in the 2013-14 and 2014-15 growing seasons to evaluate the potential of soil solarization (SS) treatments for their efficacy on weed control and crop yields and to compare SS to 1,3-dichloropropene (1,3-D)+chloropicrin (Pic) fumigation. Each replicate was a bed with dimension 10.6 m long by 0.8 m wide on top. The center 4.6 m length of each bed, referred to as plots, was used for strawberry plug transplanting and data collection. Treatments included: i) 1,3-D+Pic (39% 1,3-dichloropropene+59.6% chloropicrin) that was shank-fumigated in beds at 157 kg ha −1 and covered with VIF on August 30 in both seasons; ii) SS for a 6 wk duration initiated on August 15, 2013 and August 21, 2014 by covering the bed with 1 mil clear polyethylene tarp; iii) SS for a 4wk duration initiated on September 6, 2013 and September 3, 2014; iv) SS 4 wk treatment initiated September 6, 2013 and September 3, 2014 and replaced with black VIF on October 4, 2013 and October 1, 2014 and v) a nontreated control covered with black VIF on October 4, 2013 and October 1, 2014. In both seasons, following completion of the preplant treatments, ‘Chandler’ strawberry was planted in two rows at a 36 cm in-row spacing in plots during the first wk of October. Over both seasons, the 6 wk SS treatment consistently lowered the weed density compared to the nontreated control. Weed density in the 6wk SS treatment was not statistically different from the 4wk SS treatments in the 2013-14 growing season. In both seasons, crop yield in the 4 wk SS was significantly lower than other treatments.
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Claims 3
Claim · model-written summary
Six-week solarization reduced weed density against untreated control in both seasons.
- Taxon
- strawberry
_single2.jpg?width=60)
Fragaria ×ananassat0 - Treatment
- 6 wk SS treatmente0
- Outcome
- weed densitye0
- Direction
- lowerede0
- Comparator
- nontreated controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
e0“Over both seasons, the 6 wk SS treatment consistently lowered the weed density compared to the nontreated control.”
t0“Strawberry (Fragariaxananassa)”
Claim · model-written summary
Six-week and four-week solarization did not differ significantly in weed density in 2013-14.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- 6wk SS treatmente0
- Outcome
- Weed densitye0
- Direction
- not statistically differente0
- Qualifier
- 2013-14 growing seasone0
- Comparator
- 4wk SS treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Weed density in the 6wk SS treatment was not statistically different from the 4wk SS treatments in the 2013-14 growing season.”
t0“Strawberry (Fragariaxananassa)”
Claim · model-written summary
Four-week solarization yielded significantly less strawberry crop than other treatments in both seasons.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- 4 wk SSe0
- Outcome
- crop yielde0
- Direction
- lowere0
- Comparator
- other treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In both seasons, crop yield in the 4 wk SS was significantly lower than other treatments.”
t0“Strawberry (Fragariaxananassa)”
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