Abstract
Studies of growth and yield were carried out on onion hybrids Banco F1, Hilton F1, Exacta F1, Gladstone F1, Rossa de Ference F1, Manas F1 in 2008-2015. The soil of the experimental plot humus contained 0,62-1,26%. Studies have shown that the formation of a crop of onion is deficiency mainly nitrogen and phosphorus. Examining the growth of onion at different stages of ontogenesis has shown a change in its speed even under optimal growing conditions. The growth rate is determined by the thermal regime of the beginning of growing season. In cold prolonged spring growth and slow down development somewhat. But at the beginning of summer crops is rapidly increasing vegetative mass. The original method developed of forecasting of productivity of onion presented on light-chestnut soils. The influence identified of factors aggravating the conditions for plant growth in intensive technologies. Predictive model is calculated on the basis of long-term data on education of herbal weight. They allow to prove necessity of use of means which reduce the effect of stress and to identify the efficiency of production of hybrid plants of different maturity.
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Claims 5
Claim · model-written summary
Nitrogen and phosphorus deficiencies limited onion crop formation.
- Taxon
- onion
Allium cepae0 - Outcome
- formation of a crop of onione0
- Qualifier
- deficiency mainly nitrogen and phosphoruse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the formation of a crop of onion is deficiency mainly nitrogen and phosphorus”
Claim · model-written summary
Onion growth speed changed across ontogenetic stages even under optimal conditions.
- Taxon
- onionAllium cepae0
- Organ / stage
- different stages of ontogenesise0
- Outcome
- growth of onione0
- Qualifier
- even under optimal growing conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the growth of onion at different stages of ontogenesis has shown a change in its speed even under optimal growing conditions”
Claim · model-written summary
A cold prolonged spring slowed onion growth and development.
- Taxon
- onionAllium cepat0
- Outcome
- growth and slow down developmente0
- Direction
- slow downe0
- Setting
- cold prolonged springe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In cold prolonged spring growth and slow down development somewhat”
t0“onion”
Claim · model-written summary
Onion crops rapidly increased vegetative mass at the start of summer.
- Taxon
- onionAllium cepat0
- Outcome
- vegetative masse0
- Direction
- increasinge0
- Setting
- beginning of summere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“at the beginning of summer crops is rapidly increasing vegetative mass”
t0“onion”
Claim · model-written summary
A forecasting method for onion productivity on light-chestnut soils was developed.
- Taxon
- onionAllium cepae0
- Outcome
- forecasting of productivity of onione0
- Setting
- light-chestnut soilse0
Not reportedComparatorValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The original method developed of forecasting of productivity of onion presented on light-chestnut soils”