Abstract
Results of long-time stationary field experiment on application of mineral fertilizers on the sod-podzolic middle-clay soil generated on eluvia of Perm's clay are presented in article. There is a seventh rotation of six-field grain-fallow-grass crop rotation began in 1972-1974. The experiment pattern is a part of full factorial scheme and includes 22 variants. Dozes of nitrogen, phosphorus, and potassium are varying from 30 till 150 kg of acting matter. Barley Abava was cultivated after winter rye that follows pure fallow. Productivity of barley increased with increase in doses of fertilizers, but additions of yield is decreasing with each next doze. Productivity of barley grain is defined basically by application of nitric and phosphoric fertilizers and their interaction. Potassium fertilizers made essential impact on yield value only at their joint entering with the nitric. For barley variety Abava Ш0Р90К90 can be considered as an optimum dose which has provided productivity of 3.41 t/ha that is 2.4 times higher than without fertilizers input. At following increasing of fertilizer's doze addition of yield was insignificant in most cases. Recoupment of 1 kg of acting matter of entering fertilizers with basic production changes by a similar way. A greatest recoupment was in variants with minimum doses of nitric and phosphoric fertilizers: N60 - 15.8; К60Р60 - 13.4; Ш0Р30К30 - 11.6 kg; the lowest one -in variants: К60 - 3.8; К120 - 1.3 kg. Each next doze of fertilizers leads to lowering of barley grain's recoupment with minimum at N150P150K150 equal to 4.9 kg. Volume weight of barley grain is dependent mainly on weather conditions during growth season and harvesting time. At dry 2013 there is noted tendency to lowering the parameter with increasing of fertilizers' doze. Nitric fertilizers have raised protein content and have lowered starch content in grain. Phosphorus-and-potassium fertilizers have not affected grain quality.
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Claims 16
Claim · model-written summary
Barley productivity rose with fertilizer dose, with diminishing yield increments.
- Taxon
- barley
.jpg?width=60)
Hordeum vulgaree0 - Treatment
- increase in doses of fertilizerse0
- Outcome
- Productivitye0
- Direction
- increasede0
- Comparator
- each next dozee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Productivity of barley increased with increase in doses of fertilizers, but additions of yield is decreasing with each next doze.”
Claim · model-written summary
Nitrogen and phosphorus application and interaction mainly determined barley grain productivity.
- Taxon
- barleyHordeum vulgaree0
- Treatment
- nitric and phosphoric fertilizerse0
- Outcome
- Productivity of barley graine0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Productivity of barley grain is defined basically by application of nitric and phosphoric fertilizers and their interaction.”
Claim · model-written summary
Potassium fertilizer affected yield only jointly with nitrogen.
Not reportedTaxon
Verbatim
e0“Potassium fertilizers made essential impact on yield value only at their joint entering with the nitric.”
Claim · model-written summary
The stated optimum dose for Abava yielded 3.41 t/ha, 2.4 times the unfertilized yield.
- Taxon
- barleyHordeum vulgaree0
- Material
- Abavae0
- Treatment
- Ш0Р90К90e0
- Outcome
- productivitye0
- Direction
- highere0
- Value
- 3.41 t/hae0
- Qualifier
- 2.4 timese0
- Comparator
- without fertilizers inpute0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“For barley variety Abava Ш0Р90К90 can be considered as an optimum dose which has provided productivity of 3.41 t/ha that is 2.4 times higher than without fertilizers input.”
Claim · model-written summary
Further dose increases usually added insignificant yield.
- Treatment
- following increasing of fertilizer's dozee0
- Outcome
- addition of yielde0
- Direction
- insignificante0
- Qualifier
- in most casese0
Not reportedTaxon
Verbatim
e0“At following increasing of fertilizer's doze addition of yield was insignificant in most cases.”
Claim · model-written summary
Fertilizer recoupment was greatest at N60, at 15.8.
Not reportedTaxon
Verbatim
e0“A greatest recoupment was in variants with minimum doses of nitric and phosphoric fertilizers: N60 - 15.8; К60Р60 - 13.4; Ш0Р30К30 - 11.6 kg;”
Claim · model-written summary
Fertilizer recoupment at К60Р60 was 13.4.
Not reportedTaxon
Verbatim
e0“К60Р60 - 13.4; Ш0Р30К30 - 11.6 kg”
Claim · model-written summary
Fertilizer recoupment at Ш0Р30К30 was 11.6 kg.
Not reportedTaxon
Verbatim
e0“Ш0Р30К30 - 11.6 kg”
Claim · model-written summary
Recoupment at К60 was 3.8.
Not reportedTaxon
Verbatim
e0“К60 - 3.8; К120 - 1.3 kg”
Claim · model-written summary
Recoupment at К120 was 1.3 kg.
Not reportedTaxon
Verbatim
e0“К120 - 1.3 kg”
Claim · model-written summary
Each added fertilizer dose lowered barley grain recoupment, reaching 4.9 kg at N150P150K150.
- Taxon
- barleyHordeum vulgaree0
- Treatment
- N150P150K150e0
- Outcome
- barley grain's recoupmente0
- Direction
- loweringe0
- Value
- 4.9 kge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Each next doze of fertilizers leads to lowering of barley grain's recoupment with minimum at N150P150K150 equal to 4.9 kg.”
Claim · model-written summary
Barley grain volume weight depended mainly on weather and harvest timing.
- Taxon
- barleyHordeum vulgaree0
- Outcome
- Volume weight of barley graine0
- Qualifier
- weather conditions during growth season and harvesting timee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Volume weight of barley grain is dependent mainly on weather conditions during growth season and harvesting time.”
Claim · model-written summary
In dry 2013, grain volume weight tended lower with higher fertilizer doses.
Not reportedTaxon
Verbatim
e0“At dry 2013 there is noted tendency to lowering the parameter with increasing of fertilizers' doze.”
Claim · model-written summary
Nitrogen fertilizer raised grain protein content.
Not reportedTaxon
Verbatim
e0“Nitric fertilizers have raised protein content and have lowered starch content in grain.”
Claim · model-written summary
Nitrogen fertilizer lowered grain starch content.
Not reportedTaxon
Verbatim
e0“Nitric fertilizers have raised protein content and have lowered starch content in grain.”
Claim · model-written summary
Phosphorus and potassium fertilizers did not affect grain quality.
Not reportedTaxon
Verbatim
e0“Phosphorus-and-potassium fertilizers have not affected grain quality.”
The same questions in other papers
fertilization · yield · Hordeum vulgare (barley)Positive and negative results
472 papers in the same direction as this paper · 66 in the opposite direction · 11 reporting no difference from an alternative
- no effect
- negative
- negative
546 papers more in this group
See all 550 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.