Abstract
Pot experiment was conducted to study the effects of three controlled release fertilizers(CRFs)on growth of calla in comparison with common compound fertilizer and to investigate leaching loss rate of nutrients in CRF by measuring nutrients content in leachate.The results indicated that the plant height,growth potential and chlorophyll content in CRF treatments were better than those in common compound fertilizer treatments and control.Changes of pH of leachate were always smooth during the whole growth season of calla because controlled release compound fertilizer could release nutrients slowly,which could reduce the leaching loss rate of N,P,K effectively,provide sufficient nutrients for the flowering of calla,and thus keep balance of the growth of calla.
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Claims 4
Claim · model-written summary
Controlled release fertilizer treatments improved calla plant height and growth potential relative to compound fertilizer and control.
- Taxon
- Calla
Zantedeschiat0 - Treatment
- CRF treatmentse0
- Outcome
- plant height,growth potentiale0
- Direction
- bettere0
- Comparator
- common compound fertilizer treatments and controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the plant height,growth potential and chlorophyll content in CRF treatments were better than those in common compound fertilizer treatments and control”
t0“Growth of Calla”
Claim · model-written summary
Controlled release fertilizer improved calla chlorophyll content relative to compound fertilizer and control.
- Taxon
- CallaZantedeschiat0
- Treatment
- CRF treatmentse0
- Outcome
- chlorophyll contente0
- Direction
- bettere0
- Comparator
- common compound fertilizer treatments and controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the plant height,growth potential and chlorophyll content in CRF treatments were better than those in common compound fertilizer treatments and control”
t0“Growth of Calla”
Claim · model-written summary
Controlled release fertilizer reduced N, P and K leaching loss.
- Taxon
- CallaZantedeschiat0
- Treatment
- controlled release compound fertilizere0
- Outcome
- leaching loss rate of N,P,Ke0
- Direction
- reducee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“controlled release compound fertilizer could release nutrients slowly,which could reduce the leaching loss rate of N,P,K effectively”
t0“Growth of Calla”
Claim · model-written summary
Leachate pH remained smooth across the calla growth season with controlled release fertilizer.
- Taxon
- callaZantedeschiae0
- Treatment
- controlled release compound fertilizere0
- Outcome
- pH of leachatee0
- Direction
- smoothe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Changes of pH of leachate were always smooth during the whole growth season of calla because controlled release compound fertilizer could release nutrients slowly”
The same questions in other papers
fertilization · growth · ZantedeschiaPositive and negative results
2 in the opposite direction
- negative
- no effect
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.