Abstract
Legumes have a unique ability to obtain a significant portion of atmospheric nitrogen (N2) through a symbiotic relationship with Rhizobia spp of bacteria but it takes time, thus, an early supply of N to the plant may positively influence growth and development. However, too much fertilizer in close proximity to the seed can damage the seedling. Therefore, this study was conducted to determine the maximum safe rates for starter seed-row fertilizer application under low seedbed utilization conditions (15%). Emergence, biomass yield and nitrogen (N), phosphorus (P) and sulfur (S) uptake responses to starter fertilizer products and blends applied at 0, 10, 20 and 30 kg N ha−1 in the seed-row were investigated for six different pulse crops: soybean, pea, faba bean, black bean, lentil and chickpea. The general sensitivity (injury potential) for starter N, P, S fertilizer was lentil ≥ pea ≥ chickpea > soybean ≥ black bean > faba bean. Lentil, pea and chickpea could generally only tolerate the 10 kg N ha−1 rates while soybean and black bean could tolerate 10–20 kg N ha−1. Faba bean emergence appeared relatively unaffected by all three rates of N and showed least sensitivity to seed row placed fertilizer. In terms of 30-day biomass response, soybean and black bean were most responsive to fertilization, while pea, faba bean, lentil and chickpea were least responsive to the starter fertilizer applications, with no benefit increasing above the 10 kg N ha−1 rate.
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Claims 7
Claim · model-written summary
Starter N, P and S fertilizer sensitivity ranked lentil, pea and chickpea highest and faba bean lowest among six pulse crops.
Verbatim
e0“six different pulse crops: soybean, pea, faba bean, black bean, lentil and chickpea”
e1“The general sensitivity (injury potential) for starter N, P, S fertilizer was lentil ≥ pea ≥ chickpea > soybean ≥ black bean > faba bean”
Claim · model-written summary
Lentil, pea and chickpea could tolerate only the 10 kg N per ha starter rate.
- Taxon
- Lentil, pea and chickpea
Cicer arietinum
Lens culinaris
Lathyrus oleraceuse0 - Outcome
- toleratee0
- Value
- 10 kg N ha−1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Lentil, pea and chickpea could generally only tolerate the 10 kg N ha−1 rates”
Claim · model-written summary
Soybean and black bean could tolerate starter N rates of 10-20 kg N per ha.
Verbatim
e0“soybean and black bean could tolerate 10–20 kg N ha−1”
Claim · model-written summary
Faba bean emergence was relatively unaffected by all three starter N rates.
- Taxon
- Faba bean
Vicia fabae0 - Treatment
- all three rates of Ne0
- Outcome
- emergencee0
- Direction
- unaffectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Faba bean emergence appeared relatively unaffected by all three rates of N and showed least sensitivity to seed row placed fertilizer”
Claim · model-written summary
Faba bean showed the least sensitivity to seed-row placed fertilizer.
- Taxon
- Faba beanVicia fabae0
- Outcome
- least sensitivity to seed row placed fertilizere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Faba bean emergence appeared relatively unaffected by all three rates of N and showed least sensitivity to seed row placed fertilizer”
Claim · model-written summary
Soybean and black bean were the most responsive pulse crops to fertilization in 30-day biomass.
- Taxon
- soybean and black beane0
- Treatment
- fertilizatione0
- Outcome
- 30-day biomass responsee0
- Direction
- most responsivee0
Not reportedComparator
Verbatim
e0“In terms of 30-day biomass response, soybean and black bean were most responsive to fertilization, while pea, faba bean, lentil and chickpea were least responsive to the starter fertilizer applications, with no benefit increasing above the 10 kg N ha−1 rate”
Claim · model-written summary
Pea, faba bean, lentil and chickpea were the least responsive to starter fertilizer in 30-day biomass, with no benefit above 10 kg N per ha.
- Taxon
- pea, faba bean, lentil and chickpeaCicer arietinumLens culinarisLathyrus oleraceusVicia fabae0
- Treatment
- the starter fertilizer applicationse0
- Outcome
- 30-day biomass responsee0
- Direction
- least responsivee0
- Qualifier
- no benefit increasing above the 10 kg N ha−1 ratee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In terms of 30-day biomass response, soybean and black bean were most responsive to fertilization, while pea, faba bean, lentil and chickpea were least responsive to the starter fertilizer applications, with no benefit increasing above the 10 kg N ha−1 rate”
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See all 105 papers →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.