Abstract
Objective: To determine the influence of fertilization on the growth and yield of five accessions of castor bean (Ricinus communis L.) cultivated in a hydroponic system. Design/Methodology/Approach: Five outstanding accessions of the castor bean collection at COLPOS-Campus SLP were established: El Orito (EO), Encarnación de Díaz (ED), Salinas (SA), Ranchería de Guadalupe (RG) and San Luis (SL). The NPK (ppm) fertilization levels tested were: low (LL; 140, 50, 150), medium (ML; 210, 80, 250); high (HL; 280, 110, 350) and a control (NF; No fertilizer). The experimental design was a randomized block, with a 54 factorial arrangement (accession fertilizer level). Results: The differences in grain production were only significant (0.05) between the NF control (31 g plant1) and the three levels of fertilization (1103, 973 and 967 g plant1, for LL, ML, and HL, respectively, with no differences among them). Regarding accessions, no differences were observed among them, having ED the highest yield (681 g plant1). In the case of plant height, NF treatment reached 60 cm, while the other levels had an average height of 170 cm, with HL being the highest (180 cm). The highest oil content (38.4%) was obtained with the ML fertilization.Study Limitations/Implications: The present study had no obvious limitations.Findings/Conclusions: For seed yield, significant differences were found only between not fertilizing and fertilizing at any level. Between fertilized levels, however, the differences were not significant, as well as among accessions.
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Claims 9
Claim · model-written summary
Castor bean grain production with low fertilization was significantly higher than the unfertilized control.
- Taxon
- castor bean
Ricinus communist0 - Treatment
- LLe2
- Outcome
- grain productione0
- Direction
- higherinferrede0
- Value
- 1103e3
- Comparator
- NF controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“differences in grain production were only significant”
e1“NF control”
e2“for LL, ML, and HL, respectively”
e3“1103, 973 and 967”
t0“castor bean”
Claim · model-written summary
Castor bean grain production with medium fertilization was significantly higher than the unfertilized control.
- Taxon
- castor beanRicinus communist0
- Treatment
- MLe2
- Outcome
- grain productione0
- Direction
- higherinferrede0
- Value
- 973e3
- Comparator
- NF controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“differences in grain production were only significant”
e1“NF control”
e2“for LL, ML, and HL, respectively”
e3“1103, 973 and 967”
t0“castor bean”
Claim · model-written summary
Castor bean grain production with high fertilization was significantly higher than the unfertilized control.
- Taxon
- castor beanRicinus communist0
- Treatment
- HLe2
- Outcome
- grain productione0
- Direction
- higherinferrede0
- Value
- 967e3
- Comparator
- NF controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“differences in grain production were only significant”
e1“NF control”
e2“for LL, ML, and HL, respectively”
e3“1103, 973 and 967”
t0“castor bean”
Claim · model-written summary
Grain production did not differ among the three fertilization levels.
- Taxon
- castor beanRicinus communist0
- Treatment
- three levels of fertilizatione1
- Outcome
- grain productione0
- Direction
- no differencese2
- Comparator
- among theme2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“differences in grain production were only significant”
e1“the three levels of fertilization”
e2“with no differences among them”
t0“castor bean”
Claim · model-written summary
No differences in yield were observed among the castor bean accessions.
- Taxon
- castor beanRicinus communist0
- Material
- accessionse0
- Outcome
- no differences were observed among theme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Regarding accessions, no differences were observed among them”
t0“castor bean”
Claim · model-written summary
Accession ED had the highest yield (681 g plant-1).
- Taxon
- castor beanRicinus communist0
- Material
- EDe0
- Outcome
- highest yielde0
- Value
- 681 ge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ED the highest yield (681 g”
t0“castor bean”
Claim · model-written summary
Plant height was 60 cm in the unfertilized NF treatment while the fertilized levels averaged 170 cm.
- Taxon
- castor beanRicinus communist0
- Treatment
- other levelse0
- Outcome
- plant heighte0
- Direction
- higherinferrede0
- Value
- 170 cme0
- Qualifier
- 60 cme0
- Comparator
- NF treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In the case of plant height, NF treatment reached 60 cm, while the other levels had an average height of 170 cm”
t0“castor bean”
Claim · model-written summary
The HL fertilization level gave the greatest plant height (180 cm).
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“with HL being the highest (180 cm)”
t0“castor bean”
Claim · model-written summary
The highest oil content (38.4%) was obtained with the ML fertilization.
- Taxon
- castor beanRicinus communist0
- Treatment
- ML fertilizatione0
- Outcome
- oil contente0
- Direction
- higheste0
- Value
- 38.4%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highest oil content (38.4%) was obtained with the ML fertilization”
t0“castor bean”
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fertilization · quality: oil · Ricinus communis (castor bean)Positive and negative results
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See all 43 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.