Abstract
We researched effects of diurnal change of the mineral concentration on tomato yield and nutrient absorption. First, we examined the effect on yield in a spray culture, in the experiment 1-1, when nitrate concentration of solution (N) and potassium concentration (K) were low and phosphate concentration (P) was high during the daytime, while N and K were high and P was low during the night, the yield was low. In the experiment 1-2, when N and K were high and P was low during the daytime, while N and K were low and P was high during the night, the yield was low. Second, we examined the effect on nutrient absorption in a water culture. Concentration of KNO3, of solution was changed in the daytime or the night. When KNO3 level was low during the daytime, while it was high during the night, total nitrate and potassium absorption for 24 hours was the highest. It were showed the possibility of the efficient supply of minerals to plants by the diurnal control in minerals.
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Claims 3
Claim · model-written summary
Tomato yield was low when daytime nitrate and potassium were low and phosphate high, with the opposite levels at night.
- Taxon
- TOMATO
Solanum lycopersicumt0 - Treatment
- nitrate concentration of solution (N) and potassium concentration (K) were low and phosphate concentration (P) was high during the daytime, while N and K were high and P was low during the nighte0
- Outcome
- yielde0
- Direction
- lowe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“when nitrate concentration of solution (N) and potassium concentration (K) were low and phosphate concentration (P) was high during the daytime, while N and K were high and P was low during the night, the yield was low”
t0“TOMATO”
Claim · model-written summary
Tomato yield was low when daytime nitrate and potassium were high and phosphate low, with the opposite levels at night.
- Taxon
- TOMATOSolanum lycopersicumt0
- Treatment
- N and K were high and P was low during the daytime, while N and K were low and P was high during the nighte0
- Outcome
- yielde0
- Direction
- lowe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“when N and K were high and P was low during the daytime, while N and K were low and P was high during the night, the yield was low”
t0“TOMATO”
Claim · model-written summary
Daytime low and nighttime high KNO3 produced the highest 24-hour total nitrate and potassium absorption.
- Taxon
- TOMATOSolanum lycopersicumt0
- Treatment
- KNO3 level was low during the daytime, while it was high during the nighte0
- Outcome
- total nitrate and potassium absorption for 24 hourse0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When KNO3 level was low during the daytime, while it was high during the night, total nitrate and potassium absorption for 24 hours was the highest”
t0“TOMATO”
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