Abstract
Plants from salt and potash fertilizer trials at Bothamsted were harvested at intervals throughout the growing seasons of 1942 and 1943 and analysed for N, K, Na, Ca, Mg and Mn. The uptake of nutrients is discussed with respect to field methods of fertilizer application. Salt increased beet yield in both years, but it did not act by mobilizing soil potassium reserves and increasing the potassium status of the plant. Potash fertilizer, although increasing the potassium status of the plant, did not increase yield. Sodium and potassium were differently distributed in the plant. At harvest, only 6% of the plant's sodium content was in the root compared with 33% of the potassium. The potassium, but not the sodium content of the petiole, was higher than that of the lamina until the end of August. Sodium thus is a nutrient for beet and not a potassium substitute.
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Claims 9
Claim · model-written summary
Salt raised beet yield in both years.
- Taxon
- beet
Beta vulgarise0 - Treatment
- Salte0
- Outcome
- beet yielde0
- Direction
- increasede0
Not reportedComparatorSetting
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salt increased beet yield in both years”
Claim · model-written summary
Salt did not mobilize soil potassium or increase plant potassium status.
Not reportedComparator
Verbatim
e0“Salt increased beet yield in both years, but it did not act by mobilizing soil potassium reserves and increasing the potassium status of the plant.”
Claim · model-written summary
Potash fertilizer increased plant potassium status.
Not reportedComparator
Verbatim
e0“Potash fertilizer, although increasing the potassium status of the plant, did not increase yield.”
Claim · model-written summary
Potash fertilizer did not increase yield.
Not reportedComparator
Verbatim
e0“Potash fertilizer, although increasing the potassium status of the plant, did not increase yield.”
Claim · model-written summary
At harvest 6% of plant sodium was in the root.
Not reportedDirection
Verbatim
e0“At harvest, only 6% of the plant's sodium content was in the root compared with 33% of the potassium.”
Claim · model-written summary
At harvest 33% of plant potassium was in the root.
Not reportedDirection
Verbatim
e0“At harvest, only 6% of the plant's sodium content was in the root compared with 33% of the potassium.”
Claim · model-written summary
Petiole potassium exceeded lamina potassium until late August.
Verbatim
e0“Sodium and potassium were differently distributed in the plant. At harvest, only 6% of the plant's sodium content was in the root compared with 33% of the potassium. The potassium, but not the sodium content of the petiole, was higher than that of the lamina until the end of August.”
Claim · model-written summary
Petiole sodium did not exceed lamina sodium until late August.
Not reportedDirection
Verbatim
e0“Sodium and potassium were differently distributed in the plant. At harvest, only 6% of the plant's sodium content was in the root compared with 33% of the potassium. The potassium, but not the sodium content of the petiole, was higher than that of the lamina until the end of August.”
Claim · model-written summary
The authors conclude sodium is a beet nutrient rather than a potassium substitute.
- Taxon
- beetBeta vulgarise0
- Compound
- Sodiume0
- Outcome
- a nutriente0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sodium thus is a nutrient for beet and not a potassium substitute.”
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