Abstract
Abstract Experiments were established in a loamy sand and a sandy loam (belonging to the family of Typic Haplustalfs and Typic Rhodustalfs of the great soil group Alfisols) with pearl millet and cowpea crop residues, cattle manure, and compost at 20 kg N ha−1 equivalence grown over an 8‐year period. These two crops were grown in rotation. Pearl millet received additionally 20 kg N ha−1, while 8.7 kg P ha−1 was applied to cowpea in this rotation. It was found that incorporation of crop residues at 2.0 tons • ha−1 (20 kg N ha−1) of pearl millet or cowpea gave increased yields of 18 and 13%, respectively. This was accompanied by improvement in the hydraulic conductivity, available N and K, and a tendency for increased mean weight.
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Claims 4
Claim · model-written summary
Incorporated pearl millet residue increased yield by 18%.
- Taxon
- Cowpea and Pearl Millet
Vigna unguiculata
Cenchrus americanust0 - Treatment
- pearl millete0
- Outcome
- yieldse0
- Direction
- increasede0
- Value
- 18e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“incorporation of crop residues at 2.0 tons • ha−1 (20 kg N ha−1) of pearl millet or cowpea gave increased yields of 18 and 13%, respectively”
t0“Cowpea and Pearl Millet”
Claim · model-written summary
Incorporated cowpea residue increased yield by 13%.
- Taxon
- Cowpea and Pearl MilletVigna unguiculataCenchrus americanust0
- Treatment
- cowpeae0
- Outcome
- yieldse0
- Direction
- increasede0
- Value
- 13%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“incorporation of crop residues at 2.0 tons • ha−1 (20 kg N ha−1) of pearl millet or cowpea gave increased yields of 18 and 13%, respectively”
t0“Cowpea and Pearl Millet”
Claim · model-written summary
Residue incorporation improved hydraulic conductivity and available N and K.
- Taxon
- Cowpea and Pearl MilletVigna unguiculataCenchrus americanust0
- Treatment
- incorporation of crop residuese1
- Outcome
- hydraulic conductivity, available N and Ke0
- Direction
- improvemente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This was accompanied by improvement in the hydraulic conductivity, available N and K”
e1“incorporation of crop residues at 2.0 tons • ha−1 (20 kg N ha−1)”
t0“Cowpea and Pearl Millet”
Claim · model-written summary
Residue incorporation tended to increase mean weight.
- Taxon
- Cowpea and Pearl MilletVigna unguiculataCenchrus americanust0
- Treatment
- incorporation of crop residuese1
- Outcome
- mean weighte0
- Direction
- increasede0
- Qualifier
- tendencye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a tendency for increased mean weight”
e1“incorporation of crop residues at 2.0 tons • ha−1 (20 kg N ha−1)”
t0“Cowpea and Pearl Millet”
The same questions in other papers
Cenchrus americanus · yield · Vigna unguiculata (cowpea)Positive and negative results
1 paper in the same direction as this paper · 1 reporting no difference from an alternative
- no effect
- positive
Vigna unguiculata · yield · Cenchrus americanus (pearl millet)Positive and negative results
18 papers in the same direction as this paper · 1 in the opposite direction · 1 reporting no difference from an alternative
- negative
- no effect
- positive
17 papers more in this group
See all 21 papers →organic · soil: chemistry · Cenchrus americanus (pearl millet)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
organic · soil: chemistry · Vigna unguiculata (cowpea)Results agree
3 papers in the same direction as this paper
- positive
- positive
- positive
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.