Abstract
ABSTRACT The demand for beet produced in the organic system has increased. This study aimed to evaluate the beet production with the use of different proportions of phosphorus sources. A randomized block design was used. The treatments were established in a 6 x 2 + 1 factorial arrangement, corresponding to 6 proportions of the phosphorus fertilizers Yoorin® thermophosphate (YT) and bone meal (BM) (100 % of P2O5 with YT; 80 % of P2O5 with YT + 20 % of P2O5 with BM; 60 % of P2O5 with YT + 40 % with BM; 40 % of P2O5 with YT + 60 % with BM; 20 % of P2O5 with YT + 80 % with BM; and 100 % of P2O5 with BM), 2 doses of P2O5 (180 - recommended - and 360 kg ha-1) and 1 control without these phosphorus fertilizers. The plant height, number of leaves, root and shoot fresh and dry weight, transverse and longitudinal root diameter and total root yield were evaluated. The recommended fertilizer dose resulted in higher values, when compared to twice the recommendation. The proportion of 0 % of thermophosphate and 100 % of bone meal provided the highest mean values for the evaluated parameters. High phosphorus doses showed to be harmful to beet production.
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Claims 3
Claim · model-written summary
The recommended phosphorus fertilizer dose gave higher beet values than twice the recommended dose.
- Taxon
- beet
Beta vulgarise0 - Treatment
- recommended fertilizer dosee1
- Outcome
- valuese1
- Direction
- highere1
- Comparator
- twice the recommendatione1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The demand for beet produced in the organic system has increased”
e1“The recommended fertilizer dose resulted in higher values, when compared to twice the recommendation”
Claim · model-written summary
The 100% bone meal phosphorus source (0% thermophosphate) gave the highest mean values for the evaluated beet parameters.
- Taxon
- beetBeta vulgarise0
- Treatment
- 100 % of bone meale2
- Outcome
- mean values for the evaluated parameterse2
- Direction
- higheste2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The demand for beet produced in the organic system has increased”
e2“The proportion of 0 % of thermophosphate and 100 % of bone meal provided the highest mean values for the evaluated parameters”
Claim · model-written summary
High phosphorus doses were harmful to beet production.
- Taxon
- beetBeta vulgarise3
- Treatment
- High phosphorus dosese3
- Outcome
- beet productione3
- Direction
- decreaseinferrede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“High phosphorus doses showed to be harmful to beet production”
The same questions in other papers
phosphorus · yield · Beta vulgaris (beet)Results differ
7 papers in the same direction as this paper · 30 in the opposite direction
- positive
- positive
- positive
34 papers more in this group
See all 38 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.