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“decrease in density”

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2000 ’10

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Organism: Oryza sativa ✕

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Suitable nitrogen application, fertilization strategy and seeding density can maintain heading LAI and delay its decrease at milk filling.

Taxon: RiceOryza sativat0
Outcome: control the LAI at heading period in a suitable range and delay the decreasing of LAI at filling milk periode0

Verbatim

e0
“It may preferably control the LAI at heading period in a suitable range and delay the decreasing of LAI at filling milk period under a design which had the suitable nitrogen applied,nitrogen fertilization strategy and density of spot seeding.”
✓ located verbatim in the source · abstract, characters 466–708

t0
“Hybrid Rice Combination”
✓ located verbatim in the source · title, characters 41–64

Title

Relations of Source-Link of Huayou 3 th (Hybrid Rice Combination)under Dry Cultivation in Northern Nigeria

Tan You-bing 2008

Other claims from this paper (4)

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Milk vetch-rice-rice is recommended to improve rice yield potential and reduce weed harm.

Taxon: riceOryza sativae0
Outcome: milk vetch-rice-rice can ensure higher dry matter accumulation and yield potentiale1

Verbatim

e0
“Grain Yield of Rice and Weed Community”
✓ located verbatim in the source · title, characters 57–95

e1
“the treatment of milk vetch-rice-rice can ensure higher dry matter accumulation and yield potential,which have a significant impact on weed species and density.Also it can help to improve weed uniformity and decrease the harm of dominant species of weeds in paddy field”
✓ located verbatim in the source · abstract, characters 3852–4121

Title

Effects of Different Winter Planting-Green Manure on the Grain Yield of Rice and Weed Community of Paddy Field

Chen Hong-ju Zhongguo nongye Kexue 2014

Other claims from this paper (18)

Intervention effect Milk vetch-rice-rice increased rice dry matter at tillering by 14.46%.
Intervention effect Milk vetch-rice-rice increased rice dry matter at booting by 10.99%.
Intervention effect Milk vetch-rice-rice increased rice dry matter at heading by 11.83%.
Intervention effect Milk vetch-rice-rice increased rice dry matter at maturity by 7.23%.
Intervention effect Milk vetch-rice-rice yield was 6.61% higher than ryegrass-rice-rice.
Intervention effect Milk vetch-rice-rice yield was 3.29% higher than rapeseed-rice-rice.
Intervention effect Milk vetch-rice-rice yield was 0.78% higher than mixed-green-manure-rice-rice.
Intervention effect Milk vetch-rice-rice increased effective panicles, grains per panicle and seed setting rate versus other treatments.
Intervention effect Milk vetch-rice-rice increased rice 1000-grain weight versus other treatments.
Intervention effect Milk vetch-rice-rice had higher dry matter accumulation through most growth periods except heading to maturity.
Observation Rice dry matter accumulated fastest from sowing to tillering and booting to heading.
Observation Rice stem-sheath and leaf dry matter proportions peaked at booting and declined by maturity.
Observation Seven families and eleven weed species were recorded in paddy fields.
Observation Four named weed species accounted for 80.84% of field weeds.
Intervention effect Milk vetch-rice-rice inhibited paddy weed density more than the other treatments.
Observation Ryegrass-rice-rice had the greatest weed species richness and diversity.
Observation Milk vetch-rice-rice had the lowest Shannon weed diversity but highest Simpson weed dominance.
Observation Milk vetch-rice-rice weed evenness was higher than other treatments without significance.

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