Abstract
A significant body of research has dealt with cotton to increase the yield, water use efficiency (WUE), and nutrients uptake. This review is an impression and conclusion from these recent research to suggest appropriate crops operations for cotton in terms of irrigation, fertilization and plant density to achieve high yield with high water use efficiency, NUE and PUE. A review of the results of this research together can suggest: 1) under drought stress, high density without N consumption and vice versa, in optimal irrigation conditions, low density with N consumption, are preferable crop operations to increase yield and resource use efficiency. 2) Moreover, P or PSB bacteria consumption to control overgrowth and increase reproductive organs in conditions of high N supply or/and high density is a useful crop operation in all irrigation regimes, with higher PUE in drought stress than optimal irrigation conditions. Uptake and the response of plants to N and P are determined by sink and source, respectively. High Plant density and restricted irrigation increase Leaf/Boll ratio (sink limitation), thereby decrease NUE and increase PUE. Different and sometimes contradictory results have been obtained from cotton field research in recent years, and this review is a concise and understandable interpretation of this research
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Claims 8
Claim · model-written summary
The review concludes that under drought stress, high plant density without N application is preferable to increase cotton yield and resource use efficiency.
- Taxon
- cotton
Gossypium hirsutumt0 - Treatment
- high density without N consumptione0
- Outcome
- increase yield and resource use efficiencye0
- Qualifier
- under drought stresse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cotton”
e0“under drought stress, high density without N consumption and vice versa, in optimal irrigation conditions, low density with N consumption, are preferable crop operations to increase yield and resource use efficiency”
Claim · model-written summary
The review concludes that under optimal irrigation, low plant density with N application is preferable to increase cotton yield and resource use efficiency.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- low density with N consumptione0
- Outcome
- increase yield and resource use efficiencye0
- Qualifier
- in optimal irrigation conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cotton”
e0“under drought stress, high density without N consumption and vice versa, in optimal irrigation conditions, low density with N consumption, are preferable crop operations to increase yield and resource use efficiency”
Claim · model-written summary
P or phosphate-solubilizing bacteria application is a useful crop operation in all irrigation regimes to control overgrowth and increase reproductive organs under high N supply or high density.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- P or PSB bacteria consumptione0
- Outcome
- control overgrowth and increase reproductive organse0
- Qualifier
- in conditions of high N supply or/and high densitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cotton”
e0“P or PSB bacteria consumption to control overgrowth and increase reproductive organs in conditions of high N supply or/and high density is a useful crop operation in all irrigation regimes”
Claim · model-written summary
Phosphorus use efficiency is higher under drought stress than under optimal irrigation when P or PSB is applied.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- drought stresse0
- Outcome
- PUEe0
- Direction
- highere0
- Comparator
- optimal irrigation conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cotton”
e0“with higher PUE in drought stress than optimal irrigation conditions”
Claim · model-written summary
Uptake and response of plants to N are determined by sink and to P by source.
- Taxon
- cottonGossypium hirsutumt0
- Outcome
- Uptake and the response of plants to N and Pe0
- Qualifier
- determined by sink and source, respectivelye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cotton”
e0“Uptake and the response of plants to N and P are determined by sink and source, respectively”
Claim · model-written summary
High plant density and restricted irrigation increase the leaf/boll ratio (sink limitation).
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- High Plant density and restricted irrigatione0
- Outcome
- Leaf/Boll ratioe0
- Direction
- increasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cotton”
e0“High Plant density and restricted irrigation increase Leaf/Boll ratio (sink limitation)”
Claim · model-written summary
High plant density and restricted irrigation decrease nitrogen use efficiency.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- High Plant density and restricted irrigatione0
- Outcome
- NUEe0
- Direction
- decreasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cotton”
e0“High Plant density and restricted irrigation increase Leaf/Boll ratio (sink limitation), thereby decrease NUE”
Claim · model-written summary
High plant density and restricted irrigation increase phosphorus use efficiency.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- High Plant density and restricted irrigatione0
- Outcome
- PUEe0
- Direction
- increasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cotton”
e0“High Plant density and restricted irrigation increase Leaf/Boll ratio (sink limitation), thereby decrease NUE and increase PUE”