Abstract
The difference in the yield,biomass,N content and N use efficiency of four maize hybrids(Zhengdan958,Nongda108,Jingdan28 and Jingke308) were studied.The experiment was suggested that there were difference in the yield and plant total amount of N absorption among four maize hybrids,but the N utilization efficiency was just the opposite.There were obvious mutuality in the plant dry matter weight,grain N content and total amount of N absorption with yield,grain N content had maximal immediate effect to yield.There were obvious positive correlation in the plant biomass and grain N content.The difference were observed the effect of plant dry matter weight and grain N content to yield among hybrids.
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Claims 6
Claim · model-written summary
The four maize hybrids differed in yield and in plant total amount of N absorption.
Verbatim
e1“there were difference in the yield and plant total amount of N absorption among four maize hybrids”
Claim · model-written summary
N utilization efficiency among the four maize hybrids showed the opposite pattern to yield and N absorption.
- Outcome
- N utilization efficiency was just the oppositee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e1“but the N utilization efficiency was just the opposite”
t0“Four Maize Varieties”
Claim · model-written summary
Plant dry matter weight, grain N content and total amount of N absorption were closely associated with yield in maize.
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e1“There were obvious mutuality in the plant dry matter weight,grain N content and total amount of N absorption with yield”
t0“Four Maize Varieties”
Claim · model-written summary
Grain N content had the largest direct effect on yield in maize.
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e1“grain N content had maximal immediate effect to yield”
t0“Four Maize Varieties”
Claim · model-written summary
Plant biomass and grain N content were positively correlated in maize.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e1“There were obvious positive correlation in the plant biomass and grain N content”
t0“Four Maize Varieties”
Claim · model-written summary
The effect of plant dry matter weight and grain N content on yield differed among the hybrids.
Verbatim
e1“The difference were observed the effect of plant dry matter weight and grain N content to yield among hybrids”