Abstract
The Kingenta special controlled-release fertilizers(CRF1、CRF2) and the common fertilizer(CCF) were applied in 2-year-old tea garden.The pure nitrogen yearly application amount of CCF was 100.8 kg/hm2;that of CRF1-1,CRF1-2,CRF1-3,CRF2-1,CRF2-2 was 100%,80%,50%,100%,50% of that of CCF respectively.The field experiment results were as follows.The application of CRF1-1 and CRF2-1 could remarkably increase the contents of available N,P,K in soil in spring and summer,but the nutrients in all treatments were in short supply in autumn.The application of CRF also could increase the photosynthetic rate,100-bud weight,amino acid content and reduce the ratio of polyphenol to amino acid so as to improve the quality of green tea in Shandong.The fertilizer application amount in Shandong young tea garden was in short supply.The experiment should be conducted continuously to make sure the best fertilizer application amount based on the CRF2-1 treatment.
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Claims 6
Claim · model-written summary
Controlled-release fertilizer CRF1-1 and CRF2-1 increased available N, P and K contents in soil in spring and summer.
- Taxon
- teat0
- Treatment
- CRF1-1 and CRF2-1e1
- Outcome
- available N,P,K in soile1
- Direction
- increasee1
- Qualifier
- in spring and summere1
Not reportedComparator
Verbatim
t0“Efficiency of Special Controlled-release Fertilizer on Young Tea Garden”
e1“The application of CRF1-1 and CRF2-1 could remarkably increase the contents of available N,P,K in soil in spring and summer”
Claim · model-written summary
Nutrients in all fertilizer treatments were in short supply in autumn.
Verbatim
t0“Efficiency of Special Controlled-release Fertilizer on Young Tea Garden”
e2“but the nutrients in all treatments were in short supply in autumn”
Claim · model-written summary
Controlled-release fertilizer application increased photosynthetic rate, 100-bud weight and amino acid content of green tea.
- Taxon
- teat0
- Treatment
- application of CRFe3
- Outcome
- photosynthetic rate,100-bud weight,amino acid contente3
- Direction
- increasee3
- Setting
- Shandonge3
Not reportedComparator
Verbatim
t0“Efficiency of Special Controlled-release Fertilizer on Young Tea Garden”
e3“The application of CRF also could increase the photosynthetic rate,100-bud weight,amino acid content and reduce the ratio of polyphenol to amino acid so as to improve the quality of green tea in Shandong”
Claim · model-written summary
Controlled-release fertilizer application reduced the ratio of polyphenol to amino acid in green tea.
- Taxon
- teat0
- Treatment
- application of CRFe3
- Outcome
- ratio of polyphenol to amino acide3
- Direction
- reducee3
- Setting
- Shandonge3
Not reportedComparator
Verbatim
t0“Efficiency of Special Controlled-release Fertilizer on Young Tea Garden”
e3“The application of CRF also could increase the photosynthetic rate,100-bud weight,amino acid content and reduce the ratio of polyphenol to amino acid so as to improve the quality of green tea in Shandong”
Claim · model-written summary
The authors recommend continuing the experiment to determine the best fertilizer application amount, based on the CRF2-1 treatment.
Verbatim
t0“Efficiency of Special Controlled-release Fertilizer on Young Tea Garden”
e5“The experiment should be conducted continuously to make sure the best fertilizer application amount based on the CRF2-1 treatment”
Claim · model-written summary
The fertilizer application amount in the Shandong young tea garden was in short supply.
Verbatim
t0“Efficiency of Special Controlled-release Fertilizer on Young Tea Garden”
e4“The fertilizer application amount in Shandong young tea garden was in short supply”
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