Abstract
Beans are nutrient-demanding plants, with a high demand for nitrogen (N). Nitrogen biological fixation (NBF) is probably the best solution to meet this demand, especially considering losses in the soil-plant-atmosphere system. Molybdenum (Mo), present in the enzymes nitrogenase and nitrate reductase, is fundamental in the metabolism of N, including NBF. This study aims to evaluate if bean seed inoculation with Azospirillum brasilense, Rhizobium tropici, and possible interactions with nitrogen topdressing and molybdenum leaf application, may affect winter bean development and yield. A randomized complete block design was used in a 4x2x2 factorial scheme. Plant population, production components, and grain yield were evaluated in two crop seasons (2017 and 2018). Seed inoculation with A. brasilense, when associated with 30 kg ha-1 N topdressing, increased plant population, pod number per plant and grain yield. Nitrogen topdressing is key to increasing winter bean productivity, regardless of inoculation or Mo foliar application.
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Claims 2
Claim · model-written summary
Seed inoculation with A. brasilense combined with 30 kg ha-1 N topdressing increased plant population, pod number per plant and grain yield of beans.
- Taxon
- Beanse0
- Treatment
- Seed inoculation with A. brasilense, when associated with 30 kg ha-1 N topdressinge1
- Interactor
- A. brasilense
Azospirillum brasilensee1symbiont - Outcome
- plant population, pod number per plant and grain yielde1
- Direction
- increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Beans are nutrient-demanding plants”
e1“Seed inoculation with A. brasilense, when associated with 30 kg ha-1 N topdressing, increased plant population, pod number per plant and grain yield”
Claim · model-written summary
Nitrogen topdressing increases winter bean productivity regardless of inoculation or Mo foliar application.
- Taxon
- winter beane0
- Treatment
- Nitrogen topdressinge0
- Outcome
- winter bean productivitye0
- Direction
- increasinge0
- Qualifier
- regardless of inoculation or Mo foliar applicatione0
Not reportedComparator
Verbatim
e0“Nitrogen topdressing is key to increasing winter bean productivity, regardless of inoculation or Mo foliar application”
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