Abstract
Soil deficiencies of zinc (Zn) and boron (B) limit crop production in Nepal. Improving the micronutrient status of plants would increase yield and increase micronutrient content of the seeds, leading to better nutrition of the progeny crop and to improved human micronutrient nutrition. The primary micronutrient problem in grain legumes is B deficiency, while in rice ( Oryza sativa ), Zn deficiency is more important, and wheat ( Triticum aestivum ) suffers from both deficiencies. A series of field experiments was carried out over two seasons to compare soil fertilization and micronutrient seed priming as methods of improving Zn and B nutrition of each crop. Micronutrient treatments were evaluated for their effect on grain yield and grain micronutrient content. Soil B fertilization increased B content of the grain of lentil ( Lens culinaris ), chickpea ( Cicer arietinum ), and wheat by a factor of two to five, while increasing the yield of chickpea only. Soil fertilization with Zn had no effect on yield of any crop, but resulted in a small increase in Zn in wheat grain. Sowing micronutrient-primed seeds had no effect on yield or micronutrient content of the progeny seeds in most cases. During the first season, the primed chickpea seeds failed to emerge at either site, causing complete yield loss, but this negative effect was not observed in the second season with similar priming treatments at nearby sites, and no effect of priming on yield was observed with any other crop in either season.
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Claims 11
Claim · model-written summary
Soil boron fertilization increased lentil grain boron content two to fivefold.
- Taxon
- lentil
Lens culinarise0 - Treatment
- Soil B fertilizatione0
- Outcome
- B content of the graine0
- Direction
- increasede0
- Value
- a factor of two to fivee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Soil B fertilization increased B content of the grain of lentil ( Lens culinaris ), chickpea ( Cicer arietinum ), and wheat by a factor of two to five”
Claim · model-written summary
Soil boron fertilization increased chickpea grain boron content two to fivefold.
- Taxon
- chickpea
Cicer arietinume0 - Treatment
- Soil B fertilizatione0
- Outcome
- B content of the graine0
- Direction
- increasede0
- Value
- a factor of two to fivee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Soil B fertilization increased B content of the grain of lentil ( Lens culinaris ), chickpea ( Cicer arietinum ), and wheat by a factor of two to five”
Claim · model-written summary
Soil boron fertilization increased wheat grain boron content two to fivefold.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- Soil B fertilizatione0
- Outcome
- B content of the graine0
- Direction
- increasede0
- Value
- a factor of two to fivee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Soil B fertilization increased B content of the grain of lentil ( Lens culinaris ), chickpea ( Cicer arietinum ), and wheat by a factor of two to five”
Claim · model-written summary
Soil boron fertilization increased chickpea yield.
- Taxon
- chickpeaCicer arietinume0
- Treatment
- Soil B fertilizatione0
- Outcome
- yielde0
- Direction
- increasinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Soil B fertilization increased B content of the grain of lentil ( Lens culinaris ), chickpea ( Cicer arietinum ), and wheat by a factor of two to five, while increasing the yield of chickpea only”
t0“A COMPARISON OF THE EFFECTS OF MICRONUTRIENT SEED PRIMING AND SOIL FERTILIZATION ON THE MINERAL NUTRITION OF CHICKPEA”
Claim · model-written summary
Soil zinc fertilization did not change yield of any tested crop.
Not reportedComparator
Verbatim
e0“Soil fertilization with Zn had no effect on yield of any crop”
Claim · model-written summary
Soil zinc fertilization slightly increased zinc in wheat grain.
- Taxon
- wheatTriticum aestivume0
- Treatment
- Soil fertilization with Zne0
- Outcome
- Zn in wheat graine0
- Direction
- increasee0
- Qualifier
- smalle0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Soil fertilization with Zn had no effect on yield of any crop, but resulted in a small increase in Zn in wheat grain”
Claim · model-written summary
Micronutrient seed priming generally did not affect progeny seed yield or micronutrient content.
- Taxon
- seedse0
- Treatment
- Sowing micronutrient-primed seedse0
- Outcome
- yield or micronutrient content of the progeny seedse0
- Direction
- no effecte0
- Qualifier
- in most casese0
Not reportedComparator
Verbatim
e0“Sowing micronutrient-primed seeds had no effect on yield or micronutrient content of the progeny seeds in most cases”
Claim · model-written summary
Primed chickpea seeds failed to emerge in the first season at both sites.
- Taxon
- chickpeaCicer arietinume0
- Treatment
- primed chickpea seedse0
- Outcome
- failed to emergee0
- Qualifier
- first seasone0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“During the first season, the primed chickpea seeds failed to emerge at either site, causing complete yield loss”
Claim · model-written summary
First-season priming caused complete chickpea yield loss at both sites.
- Taxon
- chickpeaCicer arietinume0
- Treatment
- primed chickpea seedse0
- Outcome
- yield losse0
- Direction
- losse0
- Value
- completee0
- Qualifier
- first seasone0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“During the first season, the primed chickpea seeds failed to emerge at either site, causing complete yield loss”
Claim · model-written summary
The priming-related chickpea loss was absent in the second season at nearby sites.
- Taxon
- chickpeaCicer arietinumt0
- Treatment
- similar priming treatmentse0
- Outcome
- negative effecte0
- Direction
- not observede0
- Qualifier
- second seasone0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“this negative effect was not observed in the second season with similar priming treatments at nearby sites”
t0“CHICKPEA”
Claim · model-written summary
Priming did not affect yield of the other crops in either season.
Not reportedComparator
Verbatim
e0“no effect of priming on yield was observed with any other crop in either season”
The same questions in other papers
zinc atom · nutrient: content · Triticum aestivum (wheat)Results differ
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- positive
- positive
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See all 380 papers →boron atom · nutrient: content · Triticum aestivum (wheat)Positive and negative results
17 papers in the same direction as this paper · 4 in the opposite direction
- positive
- negative
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See all 22 papers →boron atom · nutrient: content · Lens culinaris (lentil)Results agree
2 papers in the same direction as this paper
- positive
- positive
boron atom · nutrient: content · Cicer arietinum (chickpea)Results agree
5 papers in the same direction as this paper
- positive
- positive
- positive
2 papers more in this group
See all 6 papers →boron atom · yield · Cicer arietinum (chickpea)Results agree
29 papers in the same direction as this paper
- positive
- positive
- positive
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See all 30 papers →seed treatment · yield · Cicer arietinum (chickpea)Results differ
7 papers in the same direction as this paper · 82 in the opposite direction
- positive
- positive
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See all 90 papers →fertilization · nutrient: content · Cicer arietinum (chickpea)Positive and negative results
79 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
77 papers more in this group
See all 81 papers →fertilization · yield · Cicer arietinum (chickpea)Positive and negative results
325 papers in the same direction as this paper · 15 in the opposite direction · 4 reporting no difference from an alternative
- no effect
- no effect
- no effect
341 papers more in this group
See all 345 papers →8 of 10 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.
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.