Abstract
The presented analysis of the of the All-Russian Research Institute of Irrigated Agriculture research results were obtained in 2014–2016 in the conditions of the southern slope of the Volga Upland allowed to enrich new knowledge the problem of rice cultivation using innovative water-saving technology on general-irrigation systems, including different agricultural crops as predecessor cultures. To estimate the preference choice of rice predecessor were selected the following crops: leguminous – soybean, tilled – potatoes and narrow-row crops – rice. These researches have shown that all predecessors of rice sowings with slight timing difference were completed vegetation and formed close to the planned yield without negative impact on the soil, that allow to recommend them for inclusion in rice rotations on general irrigation systems and use with periodic irrigation in the following rating order: soybean potato rice. The priority soybean place as a rice precursor is determined by its favorable impact on the agronomic properties of the soil: the plow-layer density - 0.6 m, pore space, water permeability and some others. The maximum rice yield (5.05 t of grain/ ha) was formed under soybean predecessor, under potato it was lower by 0.15 t / ha, and rice – by 0.29 t / ha. The highest water consumptive use of rice was summed under soybean precursor, the volume of which amounted to 5780 m3 / ha, in the variant where potato was predecessor it decreased to 5622 m3 / ha, and in rice planted after rice - 5521 m3 / ha.
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Claims 9
Claim · model-written summary
All three predecessor crops supported yields near plan without negative soil impacts.
- Taxon
- RICE
Oryza sativat0 - Outcome
- close to the planned yield without negative impact on the soile0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“RICE”
e0“all predecessors of rice sowings with slight timing difference were completed vegetation and formed close to the planned yield without negative impact on the soil”
Claim · model-written summary
The authors rank soybean, potato, then rice as predecessors for periodic irrigation.
- Taxon
- RICEOryza sativat0
- Outcome
- soybean potato ricee0
- Setting
- general irrigation systemse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“RICE”
e0“recommend them for inclusion in rice rotations on general irrigation systems and use with periodic irrigation in the following rating order: soybean potato rice.”
Claim · model-written summary
Soybean as predecessor had favorable effects on soil agronomic properties.
- Taxon
- RICEOryza sativat0
- Treatment
- soybeane0
- Outcome
- agronomic properties of the soile0
- Direction
- favorablee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“RICE”
e0“The priority soybean place as a rice precursor is determined by its favorable impact on the agronomic properties of the soil: the plow-layer density - 0.6 m, pore space, water permeability and some others.”
Claim · model-written summary
Rice after soybean produced the maximum yield, 5.05 t of grain/ ha.
- Taxon
- RICEOryza sativat0
- Treatment
- soybean predecessore0
- Outcome
- rice yielde0
- Direction
- maximume0
- Value
- 5.05 t of grain/ hae0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“RICE”
e0“The maximum rice yield (5.05 t of grain/ ha) was formed under soybean predecessor, under potato it was lower by 0.15 t / ha, and rice – by 0.29 t / ha.”
Claim · model-written summary
Rice after potato yielded 0.15 t / ha less than after soybean.
- Taxon
- RICEOryza sativat0
- Treatment
- potatoe0
- Outcome
- rice yielde0
- Direction
- lowere0
- Value
- 0.15 t / hae0
- Comparator
- soybean predecessore0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“RICE”
e0“The maximum rice yield (5.05 t of grain/ ha) was formed under soybean predecessor, under potato it was lower by 0.15 t / ha, and rice – by 0.29 t / ha.”
Claim · model-written summary
Rice after rice yielded 0.29 t / ha less than after soybean.
- Taxon
- RICEOryza sativat0
- Treatment
- ricee0
- Outcome
- rice yielde0
- Direction
- lowere0
- Value
- 0.29 t / hae0
- Comparator
- soybean predecessore0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“RICE”
e0“The maximum rice yield (5.05 t of grain/ ha) was formed under soybean predecessor, under potato it was lower by 0.15 t / ha, and rice – by 0.29 t / ha.”
Claim · model-written summary
Rice following soybean had the highest water consumptive use at 5780 m3 / ha.
- Taxon
- RICEOryza sativat0
- Treatment
- soybean precursore0
- Outcome
- water consumptive use of ricee0
- Direction
- higheste0
- Value
- 5780 m3 / hae0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“RICE”
e0“The highest water consumptive use of rice was summed under soybean precursor, the volume of which amounted to 5780 m3 / ha, in the variant where potato was predecessor it decreased to 5622 m3 / ha, and in rice planted after rice - 5521 m3 / ha.”
Claim · model-written summary
Rice after potato used 5622 m3 / ha of water, less than after soybean.
- Taxon
- RICEOryza sativat0
- Treatment
- potatoe0
- Outcome
- water consumptive use of ricee0
- Direction
- decreasede0
- Value
- 5622 m3 / hae0
- Comparator
- soybean precursore0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“RICE”
e0“The highest water consumptive use of rice was summed under soybean precursor, the volume of which amounted to 5780 m3 / ha, in the variant where potato was predecessor it decreased to 5622 m3 / ha, and in rice planted after rice - 5521 m3 / ha.”
Claim · model-written summary
Rice after rice used 5521 m3 / ha of water.
- Taxon
- RICEOryza sativat0
- Treatment
- ricee0
- Outcome
- water consumptive use of ricee0
- Value
- 5521 m3 / hae0
- Comparator
- soybean precursore0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“RICE”
e0“The highest water consumptive use of rice was summed under soybean precursor, the volume of which amounted to 5780 m3 / ha, in the variant where potato was predecessor it decreased to 5622 m3 / ha, and in rice planted after rice - 5521 m3 / ha.”
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