Abstract
Returning-back unharvested crop biomass into soil which is intended to maintain soil fertility status is now facing a challenge concerning self-DNA negative impacts related to the application of compost prepared from biomass of the same crop species at certain compost maturity stage. This study aimed at to evaluate the application effects of composts prepared from biomass of the same and different food crop species with different composting periods on the vegetative growth of rice, maize, and string beans and of DNA extracts from the applied composts on seed germination of the studied crops. The experiment applied CRD with 10 treatments [control, k (compost materials): rice (P), maize (J), and string beans (K) biomass, and composting periods: 0, 30, and 90 d]. DNA was isolated by the modified CTAB method. The results showed that application of mature compost supported the vegetative growth of the test crops, while kP30 and kJ30 treatments, stands respectively for the application of 30 days-composted rice and maize biomass, showed inhibitory effect to the vegetative growth of the same species (rice or maize compost applied to rice or maize cropping). However, in vitro self-DNA inhibition effect was inconsistent and therefore considered not occurred in this experiment.
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Claims 3
Claim · model-written summary
Application of mature compost supported the vegetative growth of the test crops (rice, maize and string beans).
- Taxon
- test cropse1
- Treatment
- application of mature composte1
- Outcome
- vegetative growthe1
- Direction
- supportede1
Not reportedComparator
Verbatim
e1“application of mature compost supported the vegetative growth of the test crops”
Claim · model-written summary
Applying 30-day-composted rice or maize biomass (kP30, kJ30) to the same species (rice or maize) had an inhibitory effect on vegetative growth.
- Taxon
- rice or maize
Oryza sativa
Zea mayse1 - Treatment
- kP30 and kJ30 treatmentse1
- Outcome
- vegetative growthe1
- Direction
- inhibitorye1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“kP30 and kJ30 treatments, stands respectively for the application of 30 days-composted rice and maize biomass, showed inhibitory effect to the vegetative growth of the same species (rice or maize compost applied to rice or maize cropping)”
Claim · model-written summary
In vitro self-DNA inhibition of seed germination was inconsistent and was considered not to have occurred in this experiment.
Not reportedTaxonComparator
Verbatim
e1“in vitro self-DNA inhibition effect was inconsistent and therefore considered not occurred in this experiment”