Abstract
Effects of nitrogen rate and fertigation frequency on nitrogen uptake and yield of hybrid cotton were investigated through field experiment under drip irrigation conditions.The experiment comprised six treatments,with three nitrogen(N) rates(270,360 and 450 kg·hm-2) and two fertigation frequencies(5 and 10 d).It was found that nitrogen rate and fertigation frequency significantly influenced nitrogen accumulation,dry mass and yield of hybrid cotton.Under 360 and 270 kg·hm-2 of N rates,fertigation frequency with 5 d promoted cotton growth and induced a significant increase in N accumulation and dry mass of hybrid cotton,but there were not statistically different between two fertigation frequency treatments for 450 kg·hm-2 of N level.It is recommended that increasing fertigation frequency could enhance yield of hybrid cotton in critical period of water and nutrition supply.
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Claims 10
Claim · model-written summary
Nitrogen rate significantly influenced nitrogen accumulation in hybrid cotton.
- Taxon
- hybrid cotton
Gossypium hirsutume0 - Treatment
- nitrogen ratee0
- Outcome
- nitrogen accumulatione0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“nitrogen rate and fertigation frequency significantly influenced nitrogen accumulation,dry mass and yield of hybrid cotton.”
Claim · model-written summary
Fertigation frequency significantly influenced nitrogen accumulation in hybrid cotton.
- Taxon
- hybrid cottonGossypium hirsutume0
- Treatment
- fertigation frequencye0
- Outcome
- nitrogen accumulatione0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“nitrogen rate and fertigation frequency significantly influenced nitrogen accumulation,dry mass and yield of hybrid cotton.”
Claim · model-written summary
Nitrogen rate significantly influenced cotton dry mass.
- Taxon
- hybrid cottonGossypium hirsutume0
- Treatment
- nitrogen ratee0
- Outcome
- dry masse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“nitrogen rate and fertigation frequency significantly influenced nitrogen accumulation,dry mass and yield of hybrid cotton.”
Claim · model-written summary
Fertigation frequency significantly influenced cotton dry mass.
- Taxon
- hybrid cottonGossypium hirsutume0
- Treatment
- fertigation frequencye0
- Outcome
- dry masse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“nitrogen rate and fertigation frequency significantly influenced nitrogen accumulation,dry mass and yield of hybrid cotton.”
Claim · model-written summary
Nitrogen rate significantly influenced cotton yield.
- Taxon
- hybrid cottonGossypium hirsutume0
- Treatment
- nitrogen ratee0
- Outcome
- yielde0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“nitrogen rate and fertigation frequency significantly influenced nitrogen accumulation,dry mass and yield of hybrid cotton.”
Claim · model-written summary
Fertigation frequency significantly influenced cotton yield.
- Taxon
- hybrid cottonGossypium hirsutume0
- Treatment
- fertigation frequencye0
- Outcome
- yielde0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“nitrogen rate and fertigation frequency significantly influenced nitrogen accumulation,dry mass and yield of hybrid cotton.”
Claim · model-written summary
At 360 kg·hm-2 N, 5-day fertigation increased cotton nitrogen accumulation.
- Taxon
- hybrid cottonGossypium hirsutume0
- Treatment
- fertigation frequency with 5 de0
- Outcome
- N accumulatione0
- Direction
- increasee0
- Qualifier
- 360 and 270 kg·hm-2 of N ratese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under 360 and 270 kg·hm-2 of N rates,fertigation frequency with 5 d promoted cotton growth and induced a significant increase in N accumulation and dry mass of hybrid cotton”
Claim · model-written summary
At 270 kg·hm-2 N, 5-day fertigation increased cotton dry mass.
- Taxon
- hybrid cottonGossypium hirsutume0
- Treatment
- fertigation frequency with 5 de0
- Outcome
- dry masse0
- Direction
- increasee0
- Qualifier
- 360 and 270 kg·hm-2 of N ratese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under 360 and 270 kg·hm-2 of N rates,fertigation frequency with 5 d promoted cotton growth and induced a significant increase in N accumulation and dry mass of hybrid cotton”
Claim · model-written summary
At 450 kg·hm-2 N, the two fertigation frequencies did not differ statistically.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- two fertigation frequency treatmentse0
- Outcome
- not statistically differente0
- Direction
- not statistically differente0
- Qualifier
- 450 kg·hm-2 of N levele0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“there were not statistically different between two fertigation frequency treatments for 450 kg·hm-2 of N level”
t0“Cotton”
Claim · model-written summary
The authors recommend increased fertigation frequency to improve cotton yield during critical water and nutrient supply.
- Taxon
- hybrid cottonGossypium hirsutume0
- Outcome
- increasing fertigation frequency could enhance yielde0
- Qualifier
- critical period of water and nutrition supplye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“It is recommended that increasing fertigation frequency could enhance yield of hybrid cotton in critical period of water and nutrition supply.”
The same questions in other papers
fertilization · nutrient: content · Gossypium hirsutum (cotton)Positive and negative results
120 papers in the same direction as this paper · 9 in the opposite direction · 1 reporting no difference from an alternative
- no effect
- no effect
- no effect
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See all 131 papers →fertilization · growth · Gossypium hirsutum (cotton)Positive and negative results
176 papers in the same direction as this paper · 23 in the opposite direction · 2 reporting no difference from an alternative
- negative
- no effect
- no effect
198 papers more in this group
See all 202 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.