Abstract
North Carolina is a leading poultry producer in the United States. Thus, much waste by-product also is produced and must be handled in an environmentally responsible way. Using poultry and similar waste products as a fertilizer source for vegetables, such as sweetpotatoes, might serve as a viable use option. Our purpose was to determine the effectiveness of animal wastes and sludges as nutrient sources for sweetpotatoes. The effects of municipal solid waste, composted litter, fresh litter, and synthetic fertilizers were compared for their effects on yield and quality of `Regal' and `Beauregard' sweetpotato varieties. The test was planted as a split-plot randomized complete-block design with each treatment replicated four times. Planting was 3 June, and harvest was 27 Sept. 1994. Yields were similar when fertilized with either organic or synthetic nutrient sources. Root quality was excellent, regardless of fertilizer, because few culls resulted, and there were no differences between treatments. Sweetpotatoes can be successfully grown with various organic nutrient sources without affecting quality or yield and might be marketed as “organically grown” produce. This label may command a higher market price than sweetpotatoes grown traditionally with synthetic nutrient sources.
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Claims 3
Claim · model-written summary
Organic and synthetic fertilizers produced similar sweetpotato yields.
- Taxon
- sweetpotatoes
_Flower.jpg?width=60)
Ipomoea batatase1 - Treatment
- organice0
- Outcome
- Yieldse0
- Direction
- similare0
- Comparator
- synthetic nutrient sourcese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_Flower.jpg?width=500)
Verbatim
e0“Yields were similar when fertilized with either organic or synthetic nutrient sources.”
e1“nutrient sources for sweetpotatoes.”
Claim · model-written summary
Root quality was excellent with few culls and did not differ among fertilizer treatments.
- Taxon
- sweetpotatoesIpomoea batatase1
- Treatment
- fertilizere0
- Outcome
- Root qualitye0
- Direction
- no differencese0
- Comparator
- treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Root quality was excellent, regardless of fertilizer, because few culls resulted, and there were no differences between treatments.”
e1“nutrient sources for sweetpotatoes.”
Claim · model-written summary
The authors concluded sweetpotatoes can be grown with various organic nutrient sources without affecting quality or yield.
- Taxon
- SweetpotatoesIpomoea batatase0
- Outcome
- successfully grown with various organic nutrient sourcese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sweetpotatoes can be successfully grown with various organic nutrient sources without affecting quality or yield”
The same questions in other papers
cultivation system · yield · Ipomoea batatas (sweet potato)Positive and negative results
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- positive
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See all 6 papers →fertilization · quality: general · Ipomoea batatas (sweet potato)Positive and negative results
2 papers in the same direction as this paper · 8 in the opposite direction
- positive
- positive
- positive
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See all 11 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.