Abstract
In order to investigate the effects of potassium nano-fertilizer on soybean and water use efficiency (WUE) under different irrigation conditions, an experiment was carried out in split plots based on completely randomized block design with four replications in Moghan plain, Iran, during 2014–2016. The main factor included four levels of irrigation (IR), that is, normal irrigation, cutting irrigation during vegetative growth, cutting irrigation during flowering stage and cutting irrigation during grain filling and a subfactor included four levels of potassium nano-fertilizer (NK): control, 1, 2 and 3 kg/ha. The results showed that using potassium nano-fertilizer at all stages of cutting irrigation decreased the effects of drought stress. Also, the highest yield (3.17 ton/ha) and yield components, morphological characteristics and WUE (for yield 0.112 kg.mm−1) were observed in normal irrigation with application of 3 kg/ha of potassium nano-fertilizer. In addition, oil percent and seed protein were strongly affected by deficit irrigation, especially at grain filling stage. According to the results, using 3 kg/ha of potassium nano-fertilizer, resulted in a 25% decreased in the effects of water deficit on morphological characteristics, yield and yield components, especially in seed filling stage decreased about 25%.
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Claims 6
Claim · model-written summary
Potassium nano-fertilizer reduced the effects of drought stress at all irrigation-cutting stages.
- Taxon
- Soybean
Glycine maxt0 - Treatment
- potassium nano-fertilizere0
- Outcome
- effects of drought stresse0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean”
e0“using potassium nano-fertilizer at all stages of cutting irrigation decreased the effects of drought stress”
Claim · model-written summary
Normal irrigation with 3 kg/ha potassium nano-fertilizer produced the highest soybean yield, 3.17 ton/ha.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- normal irrigation with application of 3 kg/ha of potassium nano-fertilizere0
- Outcome
- yielde0
- Direction
- higheste0
- Value
- 3.17 ton/hae0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean”
e0“the highest yield (3.17 ton/ha) and yield components, morphological characteristics and WUE (for yield 0.112 kg.mm−1) were observed in normal irrigation with application of 3 kg/ha of potassium nano-fertilizer”
Claim · model-written summary
The same treatment produced the highest soybean yield components and morphological characteristics.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- normal irrigation with application of 3 kg/ha of potassium nano-fertilizere0
- Outcome
- yield components, morphological characteristicse0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean”
e0“the highest yield (3.17 ton/ha) and yield components, morphological characteristics and WUE (for yield 0.112 kg.mm−1) were observed in normal irrigation with application of 3 kg/ha of potassium nano-fertilizer”
Claim · model-written summary
The same treatment produced the highest soybean yield water-use efficiency, 0.112 kg.mm−1.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- normal irrigation with application of 3 kg/ha of potassium nano-fertilizere0
- Outcome
- WUEe0
- Direction
- higheste0
- Value
- 0.112 kg.mm−1e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean”
e0“the highest yield (3.17 ton/ha) and yield components, morphological characteristics and WUE (for yield 0.112 kg.mm−1) were observed in normal irrigation with application of 3 kg/ha of potassium nano-fertilizer”
Claim · model-written summary
Deficit irrigation strongly affected soybean oil percent and seed protein, especially during grain filling.
- Taxon
- SoybeanGlycine maxt0
- Organ / stage
- grain filling stagee0
- Treatment
- deficit irrigatione0
- Outcome
- oil percent and seed proteine0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean”
e0“oil percent and seed protein were strongly affected by deficit irrigation, especially at grain filling stage”
Claim · model-written summary
At 3 kg/ha, potassium nano-fertilizer decreased water-deficit effects on soybean morphology, yield and yield components by 25%, especially during seed filling.
- Taxon
- SoybeanGlycine maxt0
- Organ / stage
- seed filling stagee0
- Treatment
- 3 kg/ha of potassium nano-fertilizere0
- Outcome
- effects of water deficit on morphological characteristics, yield and yield componentse0
- Direction
- decreasede0
- Value
- 25%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean”
e0“using 3 kg/ha of potassium nano-fertilizer, resulted in a 25% decreased in the effects of water deficit on morphological characteristics, yield and yield components, especially in seed filling stage”
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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.