Claim · model-written summary
Replacing chemical NPK fertilizers with RP or RM without previous composting was found to be inefficient.
- Taxon
- Lactuca sativa
Lactuca sativat0 - Treatment
- replacing chemical fertilizers (NPK) with RP or RM without previous compostinge0
- Outcome
- inefficiente0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingDirectionValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Lactuca sativa”
e0“the possibility of replacing chemical fertilizers (NPK) with RP or RM without previous composting was found to be inefficient”
Title
Marcelo Barba Bellettini; Sebastião Bellettini; Francisco Menino Destéfanis Vítola; et al. Semina Ciências Agrárias 2017. doi:10.5433/1679-0359.2017v38n2p581
Other claims from this paper (9)
- Observation After adding the residual composts to the soil, all treatments behaved similarly and the soils were classified as eutrophic.
- Intervention effect Increased application of residual compost produced lettuce with greater widths.
- Mechanism The greater lettuce width is attributed to a larger stem-leaf angle resulting from a lack of nitrogen available to the plant.
- Intervention effect Soil with 5% RP decreased lettuce dry weight by 44% (1.7 times) compared with soil without residual compost.
- Intervention effect Soil with 5% RM decreased lettuce dry weight by 22% (1.2 times) compared with soil without residual compost.
- Intervention effect Adding RP and RM as soil substrate reduced lettuce growth compared with soil without residual compost.
- Observation The resulting lettuce dry weight parameters were below the commercial level.
- Recommendation A complete composting period of RP and RM was deemed necessary to incorporate nitrogen into the soil.
- Observation Lignocellulosic mushrooms such as Pleurotus spp. give highly fibrous residual compost with low nitrogen content.