Abstract
Abstract Pearl millet [ Pennisetum typhoides (Burm.) Staph and Hubbard] and sudangrass [ Sorghum sudanense (Piper) Staph] were compared in 1963 on a mineral‐deficient, low pH Monmouth sandy loam under four rates each of K and P, and three rates each of Ca and Mg with one element varied per plot. In 1964, pearl millet was grown on a Sassafras sandy loam under three pH levels and four potassium levels. A greenhouse experiment was conducted the following winter with pearl millet grown in soil from the low‐K plots of the first experiment. Treatments were three pH levels and four K levels. Plant samples from each experiment were chemically analyzed. Although K fertilization had no effect on nitrate N in sudangrass, nitrate N in pearl millet tended to incrtase with K applications. Concentrations of 3 to 6% K in plant tissue were common. P and Mg fertilization showed no effect on nitrate N concentrations in plant tissue. Nitrate in millet increased with soil pH increases. Millet was less sensitive to soil fertility than sudangrass was and extracted greater amounts of N, P, and K.
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Claims 7
Claim · model-written summary
Potassium fertilization had no effect on nitrate N in sudangrass.
- Taxon
- sudangrass
Sorghum ×drummondiie1 - Treatment
- K fertilizatione1
- Outcome
- nitrate Ne1
- Direction
- no effecte1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Although K fertilization had no effect on nitrate N in sudangrass, nitrate N in pearl millet tended to incrtase with K applications”
Claim · model-written summary
Nitrate N in pearl millet tended to increase with potassium applications.
- Taxon
- pearl millet
Cenchrus americanuse1 - Treatment
- K applicationse1
- Outcome
- nitrate Ne1
- Direction
- tended to incrtasee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Although K fertilization had no effect on nitrate N in sudangrass, nitrate N in pearl millet tended to incrtase with K applications”
Claim · model-written summary
P and Mg fertilization showed no effect on nitrate N concentrations in plant tissue.
- Taxon
- Pearl MilletCenchrus americanust0
- Treatment
- P and Mg fertilizatione2
- Outcome
- nitrate N concentrations in plant tissuee2
- Direction
- no effecte2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Growth of Pearl Millet”
e2“P and Mg fertilization showed no effect on nitrate N concentrations in plant tissue”
Claim · model-written summary
Nitrate in millet increased with increasing soil pH.
Not reportedComparator
Verbatim
e3“Nitrate in millet increased with soil pH increases”
Claim · model-written summary
Millet was less sensitive to soil fertility than sudangrass.
Verbatim
e4“Millet was less sensitive to soil fertility than sudangrass was and extracted greater amounts of N, P, and K”
Claim · model-written summary
Millet extracted greater amounts of N, P and K than sudangrass.
Verbatim
e4“Millet was less sensitive to soil fertility than sudangrass was and extracted greater amounts of N, P, and K”
Claim · model-written summary
Plant tissue K concentrations of 3 to 6% were common.
- Taxon
- Pearl MilletCenchrus americanust0
- Outcome
- K in plant tissuee5
- Value
- 3 to 6%e5
- Qualifier
- commone5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Growth of Pearl Millet”
e5“Concentrations of 3 to 6% K in plant tissue were common”
The same questions in other papers
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6 in the opposite direction
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2 papers in the same direction as this paper · 72 in the opposite direction
- positive
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See all 75 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.