Abstract
Fertilization of grain legumes with zinc (Zn) can affect both marketable yield and Zn content of the grain, which is important in addressing human nutritional deficiencies in certain regions of the world. A pot experiment was conducted to determine the response of three different market classes of lentil to Zn fertilization using ten surface soils from Saskatchewan (Canada). The distribution of Zn among labile and stable fractions chemically separated from the soil was also determined in the ten prairie soils and related to the lentil responses observed. The three market classes of lentils (large and small green, small red) were grown without Zn (control), and with 2.5 and 5 kg Zn ha−1 added as zinc sulfate to each soil prior to planting. Zinc fertilizer application significantly influenced grain yield and was soil dependent. A significant increase in grain yield over the control was observed from application of Zn on some low organic matter, high pH Brown Chernozem soils whereas a decrease in grain yield over control was observed in other soils such as a Black Chernozem of high organic matter content and low (<7) pH. Lack of positive yield response to addition of Zn were related to measured high diethylene triamine pentaacetic acid (DTPA) extractable and plant root simulator (PRS) resin membrane probe Zn, and large amounts of native Zn in exchangeable and iron/manganese (Fe/Mn) oxide bound fractions. Application of Zn fertilizer generally increased the grain concentration of Zn. For example, an increase of ∼20% in Zn concentration over control was observed when 5 kg Zn ha−1 was added to a loamy textured low organic matter Brown Chernozem soil. Overall, small green lentil was more consistent in producing a positive response to Zn fertilizer application on soils with low plant available Zn compared to large green lentil and small red lentil.
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Claims 7
Claim · model-written summary
Zn fertilization significantly influenced lentil grain yield depending on soil.
- Taxon
- lentil
Lens culinarist0 - Treatment
- Zinc fertilizer applicatione0
- Outcome
- grain yielde0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Zinc fertilizer application significantly influenced grain yield and was soil dependent”
t0“lentil”
Claim · model-written summary
Zn increased lentil grain yield on some low organic matter, high pH Brown Chernozem soils.
- Taxon
- lentilLens culinarist0
- Treatment
- application of Zne0
- Outcome
- grain yielde0
- Direction
- increasee0
- Comparator
- controle0
- Setting
- low organic matter, high pH Brown Chernozem soilse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A significant increase in grain yield over the control was observed from application of Zn on some low organic matter, high pH Brown Chernozem soils”
t0“lentil”
Claim · model-written summary
Zn decreased lentil grain yield in other soils including high organic matter, low pH Black Chernozem.
- Taxon
- lentilLens culinarist0
- Treatment
- Zinc fertilizationt0
- Outcome
- grain yielde0
- Direction
- decreasee0
- Qualifier
- high organic matter content and low (<7) pHe0
- Comparator
- controle0
- Setting
- Black Chernozeme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a decrease in grain yield over control was observed in other soils such as a Black Chernozem of high organic matter content and low (<7) pH”
t0“Zinc fertilization of lentil”
Claim · model-written summary
Higher soil available and native Zn was related to a lack of positive lentil yield response to added Zn.
- Taxon
- lentilLens culinarist0
- Compound
- Zne0
- Outcome
- yield responsee0
- Qualifier
- high diethylene triamine pentaacetic acid (DTPA) extractable and plant root simulator (PRS) resin membrane probe Zne0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Lack of positive yield response to addition of Zn were related to measured high diethylene triamine pentaacetic acid (DTPA) extractable and plant root simulator (PRS) resin membrane probe Zn, and large amounts of native Zn in exchangeable and iron/manganese (Fe/Mn) oxide bound fractions”
t0“lentil”
Claim · model-written summary
Zn fertilization generally increased lentil grain Zn concentration.
- Taxon
- lentilLens culinarist0
- Treatment
- Application of Zn fertilizere0
- Outcome
- grain concentration of Zne0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of Zn fertilizer generally increased the grain concentration of Zn”
t0“lentil”
Claim · model-written summary
Applying 5 kg Zn ha−1 increased lentil grain Zn concentration by about 20% in low organic matter Brown Chernozem soil.
- Taxon
- lentilLens culinarist0
- Treatment
- 5 kg Zn ha−1e0
- Outcome
- Zn concentratione0
- Direction
- increasee0
- Value
- ∼20%e0
- Comparator
- controle0
- Setting
- loamy textured low organic matter Brown Chernozem soile0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“an increase of ∼20% in Zn concentration over control was observed when 5 kg Zn ha−1 was added to a loamy textured low organic matter Brown Chernozem soil”
t0“lentil”
Claim · model-written summary
Small green lentil produced a positive Zn response more consistently than large green and small red lentil on low available Zn soils.
- Taxon
- lentilLens culinarist0
- Material
- small green lentile0
- Outcome
- positive response to Zn fertilizer applicatione0
- Direction
- more consistente0
- Comparator
- large green lentil and small red lentile0
- Setting
- soils with low plant available Zne0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“small green lentil was more consistent in producing a positive response to Zn fertilizer application on soils with low plant available Zn compared to large green lentil and small red lentil”
t0“lentil”
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