Abstract
1. If pineapple plants become even slightly chlorotic during the growing period or the early part of the fruiting period a reduced yield results. 2. The plants in areas where there is a tendency for chlorosis to occur should be sprayed with iron sulphate sprays as diligently and regularly as applications of fertilizers are made. 3. The phosphates as used at the present time can be reduced to 50 lbs. P2O5 or less per acre without affecting the yield greatly. 4. Ammonia nitrogen seemed to be better than the nitrate form to prevent the chlorotic condition in the Manatí field. 5. Slip production and yield of fruit aie both favored by vigorous plants so that if one is increased the other will be increased also. 6. There was no observable effect of fertilizer treatment on "macho" production. 7. Forcing strong plants to early maturity with carbide treatments is a profitable procedure. 8. The relative sizes of pineapples can be predicted fairly accurately by measuring the sizes of the flower stalks only if all the plants in question had the same treatments and growing conditions. 9. If potash is omitted from the fertilizer the quality of the pineapples is poorer judged by acidity, sugar concentration and taste. 10. The keeping qualities of the fruits were not affected by high or low applications of any of the nutrients tried. 11. A favorable fertilizer treatment caused increases in the sizes of both the smaller and the larger fruits proportionally. 13. Applications of lime to raise the pH values of the soil to approximately 5.0 seemed to favor increased yields of pineapples in both experimental fields. 13. If pineapples are allowed to mature naturally those yielding the largest fruits tend to mature the earliest. 14. Applications of small amounts of magnesium tended to favor increased production in both experimental fields. 15. Gum formation on the fruits was not obviously affected by any of the fertilizer treatments used. 16. Nitrogen and potash applications as used gave significant increases in 11 out of 14 cases above those not receiving these fertilizers.
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Claims 16
Claim · model-written summary
Even slight chlorosis during growth or early fruiting reduces pineapple yield.
- Taxon
- pineapple
Ananas comosuse0 - Organ / stage
- growing period or the early part of the fruiting periode0
- Outcome
- yielde0
- Direction
- reducede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“If pineapple plants become even slightly chlorotic during the growing period or the early part of the fruiting period a reduced yield results”
Claim · model-written summary
Phosphate application can be reduced to 50 lbs. P2O5 or less per acre with little effect on yield.
- Taxon
- pineapplesAnanas comosust0
- Treatment
- 50 lbs. P2O5 or less per acree0
- Outcome
- yielde0
- Direction
- without affectinge0
- Value
- 50 lbs. P2O5 or less per acree0
- Comparator
- phosphates as used at the present timee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The phosphates as used at the present time can be reduced to 50 lbs. P2O5 or less per acre without affecting the yield greatly”
t0“PINEAPPLES”
Claim · model-written summary
Ammonia nitrogen appeared better than nitrate for preventing chlorosis in the Manatí field.
- Taxon
- pineapplesAnanas comosust0
- Treatment
- Ammonia nitrogene0
- Outcome
- chlorotic conditione0
- Direction
- bettere0
- Comparator
- nitrate forme0
- Setting
- Manatí fielde0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Ammonia nitrogen seemed to be better than the nitrate form to prevent the chlorotic condition in the Manatí field”
t0“PINEAPPLES”
Claim · model-written summary
Vigorous plants favored slip production and fruit yield.
- Taxon
- pineapplesAnanas comosust0
- Material
- vigorous plantse0
- Outcome
- Slip production and yield of fruite0
- Direction
- favorede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Slip production and yield of fruit aie both favored by vigorous plants so that if one is increased the other will be increased also”
t0“PINEAPPLES”
Claim · model-written summary
Fertilizer treatment had no observable effect on macho production.
- Taxon
- pineapplesAnanas comosust0
- Treatment
- fertilizer treatmente0
- Outcome
- "macho" productione0
- Direction
- no observable effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There was no observable effect of fertilizer treatment on "macho" production”
t0“PINEAPPLES”
Claim · model-written summary
Forcing strong plants to early maturity with carbide was profitable.
- Taxon
- pineapplesAnanas comosust0
- Treatment
- carbide treatmentse0
- Outcome
- profitable proceduree0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Forcing strong plants to early maturity with carbide treatments is a profitable procedure”
t0“PINEAPPLES”
Claim · model-written summary
Flower stalk size predicted relative pineapple size fairly accurately under shared treatment and growing conditions.
- Taxon
- pineapplesAnanas comosust0
- Organ / stage
- flower stalkse0
- Outcome
- relative sizes of pineapplese0
- Qualifier
- same treatments and growing conditionse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The relative sizes of pineapples can be predicted fairly accurately by measuring the sizes of the flower stalks only if all the plants in question had the same treatments and growing conditions”
t0“PINEAPPLES”
Claim · model-written summary
Omitting potash worsened pineapple quality by acidity, sugar concentration and taste.
- Taxon
- pineapplesAnanas comosuse0
- Treatment
- potash is omitted from the fertilizere0
- Outcome
- quality of the pineapplese0
- Direction
- poorere0
- Qualifier
- acidity, sugar concentration and tastee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“If potash is omitted from the fertilizer the quality of the pineapples is poorer judged by acidity, sugar concentration and taste”
Claim · model-written summary
High versus low nutrient applications did not affect fruit keeping quality.
- Taxon
- pineapplesAnanas comosust0
- Treatment
- high or low applications of any of the nutrients triede0
- Outcome
- keeping qualities of the fruitse0
- Direction
- not affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The keeping qualities of the fruits were not affected by high or low applications of any of the nutrients tried”
t0“PINEAPPLES”
Claim · model-written summary
A favorable fertilizer treatment increased sizes of smaller and larger fruits proportionally.
- Taxon
- pineapplesAnanas comosust0
- Treatment
- favorable fertilizer treatmente0
- Outcome
- sizes of both the smaller and the larger fruitse0
- Direction
- increasese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A favorable fertilizer treatment caused increases in the sizes of both the smaller and the larger fruits proportionally”
t0“PINEAPPLES”
Claim · model-written summary
Lime raising soil pH to approximately 5.0 appeared to favor pineapple yield in both fields.
- Taxon
- pineapplesAnanas comosuse0
- Treatment
- Applications of lime to raise the pH values of the soil to approximately 5.0e0
- Outcome
- yields of pineapplese0
- Direction
- increasede0
- Setting
- both experimental fieldse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Applications of lime to raise the pH values of the soil to approximately 5.0 seemed to favor increased yields of pineapples in both experimental fields”
Claim · model-written summary
Naturally maturing pineapple plants with the largest fruits tended to mature earliest.
- Taxon
- pineapplesAnanas comosuse0
- Treatment
- mature naturallye0
- Outcome
- mature the earlieste0
- Direction
- earlieste0
- Qualifier
- largest fruitse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“If pineapples are allowed to mature naturally those yielding the largest fruits tend to mature the earliest”
Claim · model-written summary
Small magnesium applications tended to increase production in both fields.
- Taxon
- pineapplesAnanas comosust0
- Treatment
- small amounts of magnesiume0
- Outcome
- productione0
- Direction
- increasede0
- Setting
- both experimental fieldse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Applications of small amounts of magnesium tended to favor increased production in both experimental fields”
t0“PINEAPPLES”
Claim · model-written summary
Fertilizer treatments did not obviously affect fruit gum formation.
- Taxon
- pineapplesAnanas comosust0
- Treatment
- fertilizer treatments usede0
- Outcome
- Gum formation on the fruitse0
- Direction
- not obviously affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Gum formation on the fruits was not obviously affected by any of the fertilizer treatments used”
t0“PINEAPPLES”
Claim · model-written summary
Nitrogen and potash applications significantly increased results in 11 of 14 cases relative to no application.
- Taxon
- pineapplesAnanas comosust0
- Treatment
- Nitrogen and potash applicationse0
- Outcome
- significant increasese0
- Direction
- increasese0
- Value
- 11 out of 14 casese0
- Comparator
- those not receiving these fertilizerse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nitrogen and potash applications as used gave significant increases in 11 out of 14 cases above those not receiving these fertilizers”
t0“PINEAPPLES”
Claim · model-written summary
The authors recommend regular iron sulphate sprays where chlorosis tends to occur.
- Taxon
- pineapplesAnanas comosust0
- Outcome
- sprayed with iron sulphate sprayse0
- Setting
- areas where there is a tendency for chlorosis to occure0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The plants in areas where there is a tendency for chlorosis to occur should be sprayed with iron sulphate sprays as diligently and regularly as applications of fertilizers are made”
t0“PINEAPPLES”
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