Paper · 2010 · Experimental Agriculture

EFFECTS OF RICE STRAW MULCH AND PLANTING DENSITY ON POTATO GROWTH AND PERFORMANCE IN LOWLANDS OF BURUNDI

D. HARAHAGAZWE; J. F. LEDENT; G. RUSUKU

6
claims
12
verbatim quotes
3
citations
1
research areas
—
Not open access

Abstract

SUMMARY Two types of experiments on the potato crop ( Solanum tuberosum ) were conducted in the lowlands of Burundi, one on the use of rice straw mulch and another on planting densities. Contrary to what was expected, effects of mulch were evident on plant emergence only, tuber yield and components being unaffected. This might be due to the use of heat tolerant genotypes. At the same time, the yields obtained with four different plant population densities corresponding to four distances between rows did not differ significantly according to the ANOVA analysis. However, a very strong correlation was found between tuber yield and distance between rows. This trial allowed us to achieve a tuber yield never previously reached in the lowlands of Burundi: an average of 23.5 t ha −1 of fresh matter equivalent to 4.2 t ha −1 of dry matter was obtained.

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Claims 6

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Rice straw mulch affected potato plant emergence.

Treatment
rice straw mulche1
Outcome
plant emergencee2

Not reportedComparatorDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Solanum tuberosum
Solanum tuberosum · TaxonScott Bauer, USDA ARS · Public domain · Wikimedia Commons ↗

Verbatim

e1

“Two types of experiments on the potato crop ( Solanum tuberosum ) were conducted in the lowlands of Burundi, one on the use of rice straw mulch and another on planting densities”

✓ located verbatim in the source · abstract, characters 8–185 · show in text ↑
e2

“effects of mulch were evident on plant emergence only, tuber yield and components being unaffected”

✓ located verbatim in the source · abstract, characters 218–316 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Rice straw mulch did not change potato tuber yield and components.

Treatment
rice straw mulche1
Outcome
tuber yield and componentse2
Direction
unaffectede2

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Solanum tuberosum
Solanum tuberosum · TaxonScott Bauer, USDA ARS · Public domain · Wikimedia Commons ↗

Verbatim

e1

“Two types of experiments on the potato crop ( Solanum tuberosum ) were conducted in the lowlands of Burundi, one on the use of rice straw mulch and another on planting densities”

✓ located verbatim in the source · abstract, characters 8–185 · show in text ↑
e2

“effects of mulch were evident on plant emergence only, tuber yield and components being unaffected”

✓ located verbatim in the source · abstract, characters 218–316 · show in text ↑
Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Four potato planting densities at different row distances did not differ significantly in yield.

Treatment
four different plant population densitiese3
Outcome
yieldse3
Direction
did not differe3

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Solanum tuberosum
Solanum tuberosum · TaxonScott Bauer, USDA ARS · Public domain · Wikimedia Commons ↗

Verbatim

e1

“Two types of experiments on the potato crop ( Solanum tuberosum ) were conducted in the lowlands of Burundi, one on the use of rice straw mulch and another on planting densities”

✓ located verbatim in the source · abstract, characters 8–185 · show in text ↑
e3

“the yields obtained with four different plant population densities corresponding to four distances between rows did not differ significantly according to the ANOVA analysis”

✓ located verbatim in the source · abstract, characters 393–565 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

Potato tuber yield was strongly correlated with distance between rows.

Treatment
distance between rowse4
Outcome
tuber yielde4

Not reportedDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Solanum tuberosum
Solanum tuberosum · TaxonScott Bauer, USDA ARS · Public domain · Wikimedia Commons ↗

Verbatim

e1

“Two types of experiments on the potato crop ( Solanum tuberosum ) were conducted in the lowlands of Burundi, one on the use of rice straw mulch and another on planting densities”

✓ located verbatim in the source · abstract, characters 8–185 · show in text ↑
e4

“a very strong correlation was found between tuber yield and distance between rows”

✓ located verbatim in the source · abstract, characters 576–657 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

The trial reached an average potato tuber yield of 23.5 t ha −1 of fresh matter in the Burundi lowlands.

Outcome
tuber yielde5
Value
23.5 t ha −1 of fresh mattere5
Qualifier
never previously reachede5
Setting
lowlands of Burundie5

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Solanum tuberosum
Solanum tuberosum · TaxonScott Bauer, USDA ARS · Public domain · Wikimedia Commons ↗

Verbatim

e1

“Two types of experiments on the potato crop ( Solanum tuberosum ) were conducted in the lowlands of Burundi, one on the use of rice straw mulch and another on planting densities”

✓ located verbatim in the source · abstract, characters 8–185 · show in text ↑
e5

“This trial allowed us to achieve a tuber yield never previously reached in the lowlands of Burundi: an average of 23.5 t ha −1 of fresh matter equivalent to 4.2 t ha −1 of dry matter was obtained”

✓ located verbatim in the source · abstract, characters 659–854 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

The trial reached an average potato tuber yield of 4.2 t ha −1 of dry matter.

Outcome
tuber yielde5
Value
4.2 t ha −1 of dry mattere5

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Solanum tuberosum
Solanum tuberosum · TaxonScott Bauer, USDA ARS · Public domain · Wikimedia Commons ↗

Verbatim

e1

“Two types of experiments on the potato crop ( Solanum tuberosum ) were conducted in the lowlands of Burundi, one on the use of rice straw mulch and another on planting densities”

✓ located verbatim in the source · abstract, characters 8–185 · show in text ↑
e5

“This trial allowed us to achieve a tuber yield never previously reached in the lowlands of Burundi: an average of 23.5 t ha −1 of fresh matter equivalent to 4.2 t ha −1 of dry matter was obtained”

✓ located verbatim in the source · abstract, characters 659–854 · show in text ↑

Oryza sativa · yield · Solanum tuberosum (potato)Positive and negative results

8 papers: 7 positive, 1 negative or no effect

7 in the opposite direction

  1. positive
  2. positive
  3. positive

4 papers more in this group

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organic · yield · Solanum tuberosum (potato)Positive and negative results

26 papers: 23 positive, 3 negative or no effect

2 papers in the same direction as this paper · 23 in the opposite direction

  1. positive
  2. positive
  3. positive

22 papers more in this group

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density · yield · Solanum tuberosum (potato)Positive and negative results

44 papers: 36 positive, 8 negative or no effect

7 papers in the same direction as this paper · 36 in the opposite direction

  1. positive
  2. positive
  3. positive

40 papers more in this group

See all 44 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.