Abstract
Transition to no‐till (NT) and organic (ORG) farming systems may enhance sustainability. Our objectives were to compare transitional crop productivity and soil nutrient status among diversified NT and ORG cropping systems in Montana. Three NT systems were designed as 4‐yr rotations, including a pulse (lentil [ Lens culinaris Medik.] or pea [ Pisum sativum L.]), an oilseed (canola [ Brassica napus L.] or sunflower [ Helianthus annuus L.]) and two cereal crops (corn [ Zea mays L.], proso millet [ Panicum miliaceum L.], or wheat [ Triticum aestivum L.]). No‐till continuous wheat was also included. The ORG system included a green manure (pea), wheat, lentil, and barley ( Hordeum vulgare L.) and received no inputs. Winter wheat in the ORG system yielded equal or greater than in the NT systems, and had superior grain quality, even though 117 kg N ha −1 was applied to the NT winter wheat. After 4 yr, soil nitrate‐N and Olsen‐P were 41 and 14% lower in the ORG system, whereas potentially mineralizable N was 23% higher in the ORG system. After 4 yr, total economic net returns were equal between NT and ORG systems on a per‐ha basis. Studying simultaneous transition to diversified NT and ORG cropping systems was instructive for increased sustainability.
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Claims 6
Claim · model-written summary
Winter wheat in the organic system yielded equal to or more than in the no-till systems, even though 117 kg N ha-1 was applied to the no-till winter wheat.
- Taxon
- Winter wheat
Triticum aestivume0 - Treatment
- ORG systeme0
- Outcome
- yieldede0
- Direction
- equal or greatere0
- Comparator
- NT systemse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Winter wheat in the ORG system yielded equal or greater than in the NT systems, and had superior grain quality”
Claim · model-written summary
Winter wheat in the organic system had superior grain quality compared with the no-till systems.
- Taxon
- Winter wheatTriticum aestivume0
- Treatment
- ORG systeme0
- Outcome
- grain qualitye0
- Direction
- superiore0
- Comparator
- NT systemse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Winter wheat in the ORG system yielded equal or greater than in the NT systems, and had superior grain quality”
Claim · model-written summary
After 4 years soil nitrate-N was 41% lower in the organic system.
Not reportedTaxonComparator
Verbatim
e0“After 4 yr, soil nitrate‐N and Olsen‐P were 41 and 14% lower in the ORG system, whereas potentially mineralizable N was 23% higher in the ORG system”
Claim · model-written summary
After 4 years soil Olsen-P was 14% lower in the organic system.
Not reportedTaxonComparator
Verbatim
e0“After 4 yr, soil nitrate‐N and Olsen‐P were 41 and 14% lower in the ORG system, whereas potentially mineralizable N was 23% higher in the ORG system”
Claim · model-written summary
After 4 years potentially mineralizable N was 23% higher in the organic system.
Not reportedTaxonComparator
Verbatim
e0“After 4 yr, soil nitrate‐N and Olsen‐P were 41 and 14% lower in the ORG system, whereas potentially mineralizable N was 23% higher in the ORG system”
Claim · model-written summary
After 4 years total economic net returns per hectare were equal between no-till and organic systems.
Not reportedTaxon
Verbatim
e0“total economic net returns were equal between NT and ORG systems on a per‐ha basis”
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