Claim · model-written summary
The distribution of nitrogen application had a significant effect on summer maize yield, net return and grain and stalk nitrogen content.
- Treatment
- distribution of nitrogen applicatione2
- Outcome
- summermaize yield,net return,the nitrogen content of grain and stalke2
Zea maysNot reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingDirectionValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Summer Maize”
e2“the distribution of nitrogen application had a significant effect on summermaize yield,net return,the nitrogen content of grain and stalk as well as ni-trogen uptake”
Title
Li Li Shanxi nongye kexue 2010
Other claims from this paper (15)
- Intervention effect The OPT3 nitrogen distribution (half N at V5-6 and half at jointing) gave the highest maize yield, at 10 102 kg/hm2.
- Intervention effect The OPT3 nitrogen distribution gave the highest net return, at 15 319 yuan/hm2.
- Intervention effect The distribution of nitrogen application had a significant effect on nitrogen uptake.
- Intervention effect OPT3 increased maize yield by 23.4% relative to no nitrogen application.
- Intervention effect OPT3 increased maize net return by 19.3% relative to no nitrogen application.
- Intervention effect OPT1 nitrogen application at jointing gave a better maize yield, at 9 897 kg/hm2.
- Intervention effect OPT1 nitrogen application at jointing gave a better maize net return, at 14 971 yuan/hm2.
- Intervention effect OPT1 increased maize yield by 20.9% relative to no nitrogen application.
- Intervention effect OPT1 increased maize net return by 16.6% relative to no nitrogen application.
- Observation Mean agronomic efficiency of nitrogen was 9.1 kg.
- Observation Mean nitrogen use efficiency was 47.0%.
- Intervention effect OPT1 gave a lower nitrogen agronomic efficiency than OPT3, at 8.2 kg.
- Intervention effect OPT1 gave a lower nitrogen use efficiency than OPT3, at 38.6%.
- Recommendation The authors conclude that OPT3 is the optimum manner of nitrogen distribution.
- Recommendation The authors state that OPT1 is also an option manner of nitrogen distribution.