Abstract
Based on 24 year rotation and fertilizer experiments,the effects of rotation and fertilization on the growth,yield and water consumption of spring maize were studied. Results showed that at the same fertilization level,leaf area,yield,and biomass of continuous cropping maize were higher than rotation treatment. Under the same rotation conditions,RT—NPM had the highest leaf area,yield,and biomass,RT—NPM was the second,and RT—NP was the lowest. Yield and biomass of the three treatments were significantly different. The averaged soil water content in 0—300 cm layer decreased firstly and then increased in different development stages and eventually fell to the lowest level in the silking stage. The order of treatments,by water consumption of spring maize,was CT—NPMRT—NPMRT—NPKRT—P. The rotation maize had the highest water use efficiency,continuous cropping maize was in the second level,and RT—NP and RT—NPK were in the lowest level.
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Claims 9
Claim · model-written summary
Continuous maize had higher leaf area, yield and biomass than rotation at the same fertilization level.
- Treatment
- continuous croppinge0
- Outcome
- leaf area,yield,and biomasse0
- Direction
- highere0
- Comparator
- rotation treatmente0
Zea maysOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“at the same fertilization level,leaf area,yield,and biomass of continuous cropping maize were higher than rotation treatment”
Claim · model-written summary
RT—NPM had the highest leaf area, yield and biomass under the same rotation conditions.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under the same rotation conditions,RT—NPM had the highest leaf area,yield,and biomass”
t0“Spring Maize”
Claim · model-written summary
RT—NP had the lowest leaf area, yield and biomass.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“RT—NP was the lowest”
e1“leaf area,yield,and biomass,RT—NPM”
t0“Spring Maize”
Claim · model-written summary
Yield and biomass differed significantly among the three treatments.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yield and biomass of the three treatments were significantly different”
t0“Spring Maize”
Claim · model-written summary
Average soil water content in the 0—300 cm layer first declined then rose and was lowest at silking.
- Organ / stage
- silking stagee0
- Outcome
- averaged soil water contente0
- Direction
- decreased firstly and then increasede0
Not reportedTaxon
Verbatim
e0“The averaged soil water content in 0—300 cm layer decreased firstly and then increased in different development stages and eventually fell to the lowest level in the silking stage”
Claim · model-written summary
CT—NPM ranked highest and RT—P lowest for spring maize water consumption.
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The order of treatments,by water consumption of spring maize,was CT—NPMRT—NPMRT—NPKRT—P”
Claim · model-written summary
Rotation maize had the highest water-use efficiency.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The rotation maize had the highest water use efficiency”
Claim · model-written summary
Continuous cropping maize was second for water-use efficiency.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“continuous cropping maize was in the second level”
e1“water use efficiency”
Claim · model-written summary
RT—NP and RT—NPK had the lowest water-use efficiency.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“RT—NP and RT—NPK were in the lowest level”
e1“water use efficiency”
t0“Spring Maize”
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