Abstract
The effect of different application methods of fertilizers on maize yield and soil nutrients was studied by 3-year field experiment.The results showed that N、P、Zn and organic fertilizer(M) all increased the maize yield significantly by 3 387.0～ 5 473.0 kg.hm-2,and the increasing rates were from 48.0%～77.5%;treatments of N240P150M15 000 and N240P75M15 000 had the best effect,and the yields were 12 536.0 kg.hm-2 and 12 438.8 kg.hm-2 respectively.After 150 kg.hm-2 P was applied in the first year,decreasing P application by 50% didn't influence maize yields significantly in the second year and third year,the soil available P still kept high amount.Application of mixed fertilizers increased soil nutrients and improve the soil fertility.
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Claims 6
Claim · model-written summary
Fertilizer treatments significantly increased maize yield by 3 387.0～ 5 473.0 kg.hm-2.
- Treatment
- N、P、Zn and organic fertilizer(M)e0
- Outcome
- maize yielde0
- Direction
- increasede0
- Value
- 3 387.0～ 5 473.0 kg.hm-2e0
- Qualifier
- 48.0%～77.5%e0
Zea maysNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“N、P、Zn and organic fertilizer(M) all increased the maize yield significantly by 3 387.0～ 5 473.0 kg.hm-2,and the increasing rates were from 48.0%～77.5%”
Claim · model-written summary
N240P150M15 000 yielded 12 536.0 kg.hm-2.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“treatments of N240P150M15 000 and N240P75M15 000 had the best effect,and the yields were 12 536.0 kg.hm-2 and 12 438.8 kg.hm-2 respectively.”
t0“Maize”
Claim · model-written summary
N240P75M15 000 yielded 12 438.8 kg.hm-2.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“treatments of N240P150M15 000 and N240P75M15 000 had the best effect,and the yields were 12 536.0 kg.hm-2 and 12 438.8 kg.hm-2 respectively.”
t0“Maize”
Claim · model-written summary
Halving P application after the first year did not significantly influence maize yields in years two and three.
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“After 150 kg.hm-2 P was applied in the first year,decreasing P application by 50% didn't influence maize yields significantly in the second year and third year”
Claim · model-written summary
Soil available P remained high after reduced P application.
- Outcome
- soil available P still kept high amounte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the soil available P still kept high amount.”
t0“Maize”
Claim · model-written summary
Mixed fertilizer increased soil nutrients and improved soil fertility.
- Treatment
- mixed fertilizerse0
- Outcome
- soil nutrients and improve the soil fertilitye0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of mixed fertilizers increased soil nutrients and improve the soil fertility.”
t0“Maize”
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