Abstract
Summary: Black (BPE) and clear polyethylene mulches (CPE), 0.08 and 0.06 mm thick, respectively, were compared for their effectiveness for soil solarization over three seasons during 1986–1989 in weedy fields. Solarization for 6 weeks reduced weed growth and enhanced crop yields. However, further mulching with BPE after solarization with either BPE or CPE gave the best results. Not all weeds were sensitive to solarization. Some weed species were completely controlled; others were reduced to varying degrees; yet other weed species seemed to be enhanced by solarization. Solarization without further mulching was no better than farmer‐practice in reducing weed growth or in increasing crop yield. Weeds required further removal after the middle of the growing season. Any soil disturbance after solarization reduced the weed control effect of solarization. Crops grew best in plots after solarization with BPE if they were planted in the same mulch after it was perforated.
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Claims 10
Claim · model-written summary
Six weeks of solarization reduced weed growth.
Not reportedInteractorComparator
Verbatim
t0“squash and tomato”
e0“Solarization for 6 weeks reduced weed growth and enhanced crop yields.”
Claim · model-written summary
Six weeks of solarization enhanced crop yields.
Not reportedComparator
Verbatim
t0“squash and tomato”
e0“Solarization for 6 weeks reduced weed growth and enhanced crop yields.”
Claim · model-written summary
Further BPE mulching after solarization gave the best results.
Verbatim
t0“squash and tomato”
e0“further mulching with BPE after solarization with either BPE or CPE gave the best results”
Claim · model-written summary
Solarization completely controlled some weed species.
Not reportedTreatmentComparator
Verbatim
t0“squash and tomato”
e0“Some weed species were completely controlled”
Claim · model-written summary
Solarization reduced other weed species to varying degrees.
Not reportedTreatmentComparator
Verbatim
t0“squash and tomato”
e0“others were reduced to varying degrees”
Claim · model-written summary
Solarization appeared to enhance some weed species.
Not reportedComparator
Verbatim
t0“squash and tomato”
e0“yet other weed species seemed to be enhanced by solarization”
Claim · model-written summary
Solarization alone did not outperform farmer practice for weed growth.
Verbatim
t0“squash and tomato”
e0“Solarization without further mulching was no better than farmer‐practice in reducing weed growth or in increasing crop yield.”
Claim · model-written summary
Solarization alone did not outperform farmer practice for crop yield.
Verbatim
t0“squash and tomato”
e0“Solarization without further mulching was no better than farmer‐practice in reducing weed growth or in increasing crop yield.”
Claim · model-written summary
Soil disturbance after solarization reduced its weed control effect.
- Taxon
- squash and tomatot0
- Treatment
- soil disturbance after solarizatione0
- Outcome
- weed control effecte0
- Direction
- reducede0
Not reportedComparator
Verbatim
t0“squash and tomato”
e0“Any soil disturbance after solarization reduced the weed control effect of solarization.”
Claim · model-written summary
Crops grew best when planted in perforated BPE used for solarization.
Verbatim
t0“squash and tomato”
e0“Crops grew best in plots after solarization with BPE if they were planted in the same mulch after it was perforated.”
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