Abstract
ABSTRACT: Weed management in apple orchards (Malus domestica) can affect the leaching of nitrogen (N) in soil. The study aimed to evaluate the potential leaching of N forms in soil of an apple orchard with different weed management treatments. The experiment was conducted in an apple orchard implanted in 2008. In October 2011, 80 plants were selected and the following treatments were implemented: no weed management (NM), desiccation of weeds on the tree row with herbicide use (DR) and mechanical mowing of weeds on the tree row (MR). Yield was evaluated in the 2011/2012, 2012/2013 and 2013/2014 crop seasons. In May 2012 porous cup lysimeters were installed in the NM, DR and MR treatments. In the solution collected at 0.20m, NH4 +-N and NO3 --N were analyzed sixteen times and mineral N concentration was calculated. The highest concentrations of NO3 --N and mineral N occurred in soil solution with DR, which increases availability of the nutrient to apple trees, but also enhances the potential losses. Weed management and N flow in the solution did not affect apple yield.
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Claims 2
Claim · model-written summary
Desiccation of tree-row weeds with herbicide gave the highest NO3--N and mineral N concentrations in orchard soil solution, increasing N availability to apple trees but also the potential losses.
- Taxon
- Malus domestica
Malus domesticae0 - Treatment
- desiccation of weeds on the tree row with herbicide use (DR)e2
- Outcome
- concentrations of NO3 --N and mineral Ne1
- Direction
- higheste1
- Qualifier
- but also enhances the potential lossese1
- Comparator
- no weed management (NM)e2
- Setting
- apple orcharde3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Weed management in apple orchards (Malus domestica)”
e1“The highest concentrations of NO3 --N and mineral N occurred in soil solution with DR, which increases availability of the nutrient to apple trees, but also enhances the potential losses”
e2“no weed management (NM), desiccation of weeds on the tree row with herbicide use (DR) and mechanical mowing of weeds on the tree row (MR)”
e3“The experiment was conducted in an apple orchard implanted in 2008”
Claim · model-written summary
Weed management did not affect apple yield, and N flow in the soil solution did not affect it either.
- Taxon
- appleMalus domesticae4
- Treatment
- Weed managemente4
- Outcome
- apple yielde4
- Direction
- did not affecte4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“Weed management and N flow in the solution did not affect apple yield”
The same questions in other papers
herbicide · yield · Malus domestica (apple)Positive and negative results
3 papers in the same direction as this paper · 17 in the opposite direction
- positive
- positive
- positive
17 papers more in this group
See all 21 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.