Abstract
In order to study the effects of different quantity and time of nitrogen fertilizer application on sugarcane growth at early growth stage,varieties of ROC25,ROC22 and TT98/0432 were conducted to measure agronomic traits and dry matter accumulation pot experiments.The results indicated that: different sugarcane varieties were different in sensitive degree to nitrogen,the tillering rate and dry matter accumulation.Early maturity variety ROC25 were maximal under the nitrogen application level of 225 kg/ha,and the plant height was the highest under the nitrogen application level of 150 kg/ha.The comprehensive growth performance at early growth stage of medium maturing variety ROC22 showed the best under the nitrogen application level of 225 kg/ha.It was the most beneficial to tiller for late maturing variety TT98/0432 under the nitrogen application level of 150 kg/ha,and the plant height was the highest under the nitrogen application level of 225 kg/ha.To fertilize one time did not favor the germinating and tillering,but it could promote the formation of organic matter at early growth stage;to fertilize two time could promote tillering of sugarcane;to fertilize three time was beneficial to growth of sugarcane at middle or later stage.
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Claims 10
Claim · model-written summary
Sugarcane varieties differed in nitrogen sensitivity, tillering rate and dry matter accumulation.
Verbatim
t0“Sugarcane”
e0“different sugarcane varieties were different in sensitive degree to nitrogen,the tillering rate and dry matter accumulation”
Claim · model-written summary
ROC25 had maximal early growth at 225 kg/ha nitrogen.
- Taxon
- Sugarcanet0
- Material
- ROC25e0
- Treatment
- nitrogen application level of 225 kg/hae0
- Outcome
- maximale0
- Direction
- maximale0
Not reportedComparator
Verbatim
t0“Sugarcane”
e0“Early maturity variety ROC25 were maximal under the nitrogen application level of 225 kg/ha”
Claim · model-written summary
ROC25 plant height was highest at 150 kg/ha nitrogen.
- Taxon
- Sugarcanet0
- Treatment
- nitrogen application level of 150 kg/hae0
- Outcome
- plant heighte0
- Direction
- higheste0
Not reportedComparator
Verbatim
t0“Sugarcane”
e0“the plant height was the highest under the nitrogen application level of 150 kg/ha”
Claim · model-written summary
ROC22 showed its best overall early growth at 225 kg/ha nitrogen.
- Taxon
- Sugarcanet0
- Material
- ROC22e0
- Treatment
- nitrogen application level of 225 kg/hae0
- Outcome
- comprehensive growth performancee0
- Direction
- beste0
Not reportedComparator
Verbatim
t0“Sugarcane”
e0“The comprehensive growth performance at early growth stage of medium maturing variety ROC22 showed the best under the nitrogen application level of 225 kg/ha”
Claim · model-written summary
TT98/0432 tillering was most favored at 150 kg/ha nitrogen.
- Taxon
- Sugarcanet0
- Material
- TT98/0432e0
- Treatment
- nitrogen application level of 150 kg/hae0
- Outcome
- tillere0
- Direction
- most beneficiale0
Not reportedComparator
Verbatim
t0“Sugarcane”
e0“It was the most beneficial to tiller for late maturing variety TT98/0432 under the nitrogen application level of 150 kg/ha”
Claim · model-written summary
TT98/0432 plant height was highest at 225 kg/ha nitrogen.
- Taxon
- Sugarcanet0
- Treatment
- nitrogen application level of 225 kg/hae0
- Outcome
- plant heighte0
- Direction
- higheste0
Not reportedComparator
Verbatim
t0“Sugarcane”
e0“the plant height was the highest under the nitrogen application level of 225 kg/ha”
Claim · model-written summary
One fertilizer application did not favor germination and tillering.
- Taxon
- Sugarcanet0
- Treatment
- fertilize one timee0
- Outcome
- germinating and tilleringe0
- Direction
- did not favore0
Not reportedComparator
Verbatim
t0“Sugarcane”
e0“To fertilize one time did not favor the germinating and tillering”
Claim · model-written summary
One fertilizer application promoted early organic matter formation.
Not reportedComparator
Verbatim
t0“Sugarcane”
e0“to fertilize one time did not favor the germinating and tillering,but it could promote the formation of organic matter at early growth stage”
Claim · model-written summary
Two fertilizer applications promoted tillering.
Not reportedComparator
Verbatim
t0“Sugarcane”
e0“to fertilize two time could promote tillering of sugarcane”
Claim · model-written summary
Three fertilizer applications favored middle or later growth.
Not reportedComparator
Verbatim
t0“Sugarcane”
e0“to fertilize three time was beneficial to growth of sugarcane at middle or later stage”
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