Abstract
Effects of soil tillage (CTconventional, SS-subsoiling, CH-chiselling, DH-disk-harrowing and NT-no-till) and nitrogen rate (reduced N1, optimal N2 and luxury N3) on yield and yield components of maize and winter wheat in two different agricultural subregions of Croatia (Magadenovac and Cacinci site), were studied in the years 2013–2014 as part of a long-term experiment. Maize yield and yield components were influenced by site properties, tillage and nitrogen treatments. The highest yields and yield components were recorded at the Magadenovac site with N2 and N3. The lowest values of the yield and yield components of maize were recorded on NT and were significantly lower than CT, SS, CH and DH, among which no significant differences were recorded. Winter wheat yield and yield components were affected by site properties and nitrogen rates while soil tillage treatments only had an influence on grain and straw yield and plant height. Winter wheat achieved maximum yield and yield components on a N3 and N2 and at the Magadenovac site. Winter wheat grain yield decreased in the following order: SS > DH > CH > NT > CT. The obtained results indicate the importance of optimal nitrogen fertilization and the possibility of the implementation of conservation tillage for maize and winter wheat production in different agroecological conditions.
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Claims 9
Claim · model-written summary
Maize yield and components were influenced by site, tillage and nitrogen
- Treatment
- tillage and nitrogen treatmentse0
- Outcome
- Maize yield and yield components were influenced by site properties, tillage and nitrogen treatments.e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Maize yield and yield components were influenced by site properties, tillage and nitrogen treatments.”
Claim · model-written summary
Maize yield and components were highest at Magadenovac with N2 and N3
- Outcome
- The highest yields and yield components were recorded at the Magadenovac site with N2 and N3.e0
- Setting
- Magadenovace0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highest yields and yield components were recorded at the Magadenovac site with N2 and N3.”
e2“Maize yield and yield components were influenced by site properties, tillage and nitrogen treatments.”
Claim · model-written summary
No-till maize yield and components were lowest and significantly below other tillage treatments
- Treatment
- NTe0
- Outcome
- The lowest values of the yield and yield components of maize were recorded on NT and were significantly lower than CT, SS, CH and DHe0
- Direction
- lowere0
- Comparator
- CT, SS, CH and DHe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The lowest values of the yield and yield components of maize were recorded on NT and were significantly lower than CT, SS, CH and DH”
Claim · model-written summary
CT, SS, CH and DH had no significant maize yield differences
- Treatment
- CT, SS, CH and DHe2
- Outcome
- among which no significant differences were recorded.e0
- Direction
- no significant differencese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“among which no significant differences were recorded.”
e2“The lowest values of the yield and yield components of maize were recorded on NT and were significantly lower than CT, SS, CH and DH”
e1“The lowest values of the yield and yield components of maize”
Claim · model-written summary
Wheat yield and components varied with site and nitrogen
- Taxon
- Winter wheat
Triticum aestivume0 - Treatment
- nitrogen ratese0
- Outcome
- Winter wheat yield and yield components were affected by site properties and nitrogen ratese0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Winter wheat yield and yield components were affected by site properties and nitrogen rates”
Claim · model-written summary
Tillage influenced wheat grain and straw yield and plant height
- Taxon
- winter wheatTriticum aestivume1
- Treatment
- soil tillage treatmentse0
- Outcome
- soil tillage treatments only had an influence on grain and straw yield and plant height.e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soil tillage treatments only had an influence on grain and straw yield and plant height.”
e1“Winter wheat yield and yield components were affected”
Claim · model-written summary
Winter wheat yield and components reached maxima with N3 and N2 at Magadenovac
- Taxon
- Winter wheatTriticum aestivume0
- Outcome
- Winter wheat achieved maximum yield and yield components on a N3 and N2 and at the Magadenovac site.e0
- Setting
- Magadenovace0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Winter wheat achieved maximum yield and yield components on a N3 and N2 and at the Magadenovac site.”
Claim · model-written summary
Wheat grain yield ranked SS above DH above CH above NT above CT
- Taxon
- Winter wheatTriticum aestivume0
- Outcome
- Winter wheat grain yield decreased in the following order: SS > DH > CH > NT > CT.e0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Winter wheat grain yield decreased in the following order: SS > DH > CH > NT > CT.”
Claim · model-written summary
Optimal nitrogen and conservation tillage are indicated for maize and wheat production
- Taxon
- maize and winter wheatTriticum aestivum
Zea mayse0 - Outcome
- importance of optimal nitrogen fertilization and the possibility of the implementation of conservation tillage for maize and winter wheat production in different agroecological conditions.e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“importance of optimal nitrogen fertilization and the possibility of the implementation of conservation tillage for maize and winter wheat production in different agroecological conditions.”
The same questions in other papers
tillage · yield · Zea mays (maize)Positive and negative results
286 papers in the same direction as this paper · 812 in the opposite direction
- positive
- positive
- positive
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See all 1,099 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.