Abstract
Lambert sweet cherry (Prunus avium L.) established on Osoyoos loamy sand in 1983 was subjected to treatments involving all combinations of two types of irrigation (wellwater or municipal wastewater) and three rates of N fertilization (0, 68 and 136 g of N as NH 4 NO 3 tree −1 yr −1 ), 1984–1987. The zero-N treatment was increased to 34 g N tree −1 in 1986–1987. Wastewater irrigation increased leaf N, P, K, B and Mn concentration, decreased leaf Mg and Ca and had few consistent effects on leaf Fe and Cu. Tree growth was increased after 2 yr but not after 5 yr by wastewater irrigation. Inadequate N and Zn nutrition appeared to limit long-term tree growth. After 5 yr, wastewater-irrigated soils had higher extractable P, K, and B and lower Ca and Mg than well-water-irrigated soils which had higher Ca and Mg to 0.9-m depth. Wastewater irrigation also increased extractable Na throughout the soil but insufficiently to adversely affect tree growth. Soil pH and electrical conductivity also increased during the experiment for both well- and wastewater-irrigated soils, but these increases did not cause alkalinity or salinity problems. Key words: Prunus avium L., wastewater irrigation, leaf nutrition, soil quality
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Claims 10
Claim · model-written summary
Wastewater irrigation increased leaf N, P, K, B, and Mn concentrations.
- Taxon
- sweet cherry
Prunus aviumt0 - Treatment
- Wastewater irrigatione0
- Outcome
- leaf N, P, K, B and Mn concentratione0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Wastewater irrigation increased leaf N, P, K, B and Mn concentration”
t0“sweet cherry”
Claim · model-written summary
Wastewater irrigation decreased leaf Mg and Ca concentrations.
- Taxon
- sweet cherryPrunus aviumt0
- Treatment
- Wastewater irrigatione0
- Outcome
- leaf Mg and Cae0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Wastewater irrigation increased leaf N, P, K, B and Mn concentration, decreased leaf Mg and Ca”
t0“sweet cherry”
Claim · model-written summary
Wastewater irrigation had few consistent effects on leaf Fe and Cu.
- Taxon
- sweet cherryPrunus aviumt0
- Treatment
- Wastewater irrigatione0
- Outcome
- leaf Fe and Cue0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Wastewater irrigation increased leaf N, P, K, B and Mn concentration, decreased leaf Mg and Ca and had few consistent effects on leaf Fe and Cu”
t0“sweet cherry”
Claim · model-written summary
Wastewater irrigation increased tree growth after two years.
- Taxon
- sweet cherryPrunus aviumt0
- Treatment
- wastewater irrigatione0
- Outcome
- Tree growthe0
- Direction
- increasede0
- Qualifier
- after 2 yre0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Tree growth was increased after 2 yr but not after 5 yr by wastewater irrigation”
t0“sweet cherry”
Claim · model-written summary
Wastewater irrigation did not increase tree growth after five years.
- Taxon
- sweet cherryPrunus aviumt0
- Treatment
- wastewater irrigatione0
- Outcome
- Tree growthe0
- Direction
- note0
- Qualifier
- after 5 yre0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Tree growth was increased after 2 yr but not after 5 yr by wastewater irrigation”
t0“sweet cherry”
Claim · model-written summary
Inadequate nitrogen and zinc nutrition appeared to limit long-term tree growth.
- Taxon
- sweet cherryPrunus aviumt0
- Outcome
- long-term tree growthe0
- Qualifier
- Inadequate N and Zn nutritione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Inadequate N and Zn nutrition appeared to limit long-term tree growth”
t0“sweet cherry”
Claim · model-written summary
After five years, wastewater-irrigated soil had higher extractable P, K, and B than well-water-irrigated soil.
- Taxon
- sweet cherryPrunus aviumt0
- Treatment
- wastewater-irrigatede0
- Outcome
- extractable P, K, and Be0
- Direction
- highere0
- Comparator
- well-water-irrigated soilse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“After 5 yr, wastewater-irrigated soils had higher extractable P, K, and B and lower Ca and Mg than well-water-irrigated soils”
t0“sweet cherry”
Claim · model-written summary
After five years, wastewater-irrigated soil had lower Ca and Mg.
- Taxon
- sweet cherryPrunus aviumt0
- Treatment
- wastewater-irrigatede0
- Outcome
- Ca and Mge0
- Direction
- lowere0
- Comparator
- well-water-irrigated soilse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“After 5 yr, wastewater-irrigated soils had higher extractable P, K, and B and lower Ca and Mg than well-water-irrigated soils”
t0“sweet cherry”
Claim · model-written summary
Wastewater irrigation increased soil extractable Na without adversely affecting tree growth.
- Taxon
- sweet cherryPrunus aviumt0
- Treatment
- Wastewater irrigatione0
- Outcome
- extractable Na throughout the soile0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Wastewater irrigation also increased extractable Na throughout the soil but insufficiently to adversely affect tree growth”
t0“sweet cherry”
Claim · model-written summary
Soil pH and electrical conductivity increased under both irrigation sources without alkalinity or salinity problems.
- Taxon
- sweet cherryPrunus aviumt0
- Outcome
- Soil pH and electrical conductivitye0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Soil pH and electrical conductivity also increased during the experiment for both well- and wastewater-irrigated soils, but these increases did not cause alkalinity or salinity problems”
t0“sweet cherry”
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See all 8 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.