Abstract
Processing tomato is one of the most important economic crops in Xinjiang, China, which was constrained with severe water shortage and extreme arid climate. Alternate partial root-zone irrigation (APRI) may provide an effective way to increase irrigation water use efficiency (iWUE) without yield reduction. However, limited studies concerned about applying APRI in processing tomato plantation have been done, especially combined with drip irrigation to further control the irrigation and improve iWUE. Therefore, the two-year pot experiments were conducted to study the effects of different irrigation treatments, including three APRI treatments (irrigation quota of 67.5, 51.6, and 43.7 mm, respectively), fixed partial root-zoon drip irrigation (FPRI, 67.5 mm) and conventional drip irrigation (CDI, 67.5 mm). The results indicated that APRI was an appropriate irrigation method in processing tomato plantation in arid desert area such as Xinjiang, as high irrigation quota of APRI (APRIH) significantly improved its yield without fruit quality reduction in comparison with those of CDI. However, the yield without fruit quality of FPRI significantly decreased. Even if the irrigation quota of APRI decreased to the medium level (APRIM, 51.6 mm), iWUE by increased 31.8–32.7% on the contrary, as irrigation water was saved by 23.6%; while keeping the yield and fruit quality. Therefore, APRIM is recommended for processing tomato plantation in arid northwest China, to increase plant growth, fruit quality, yield, and iWUE synergistically.
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Claims 7
Claim · model-written summary
High-quota APRI significantly improved tomato yield versus CDI.
Verbatim
e0“high irrigation quota of APRI (APRIH) significantly improved its yield without fruit quality reduction in comparison with those of CDI.”
t0“Processing Tomato”
Claim · model-written summary
High-quota APRI maintained fruit quality versus CDI.
Verbatim
e0“high irrigation quota of APRI (APRIH) significantly improved its yield without fruit quality reduction in comparison with those of CDI.”
t0“Processing Tomato”
Claim · model-written summary
FPRI significantly decreased yield.
Not reportedComparator
Verbatim
e0“the yield without fruit quality of FPRI significantly decreased.”
t0“Processing Tomato”
Claim · model-written summary
Medium APRI increased irrigation water use efficiency by 31.8–32.7%.
Not reportedComparator
Verbatim
e0“the irrigation quota of APRI decreased to the medium level (APRIM, 51.6 mm), iWUE by increased 31.8–32.7%”
t0“Processing Tomato”
Claim · model-written summary
Medium APRI saved 23.6% irrigation water.
Not reportedComparator
Verbatim
e0“irrigation water was saved by 23.6%”
t0“Processing Tomato”
e1“the irrigation quota of APRI decreased to the medium level (APRIM, 51.6 mm)”
Claim · model-written summary
Medium APRI maintained yield and fruit quality.
Not reportedComparator
Verbatim
e0“while keeping the yield and fruit quality.”
t0“Processing Tomato”
e1“the irrigation quota of APRI decreased to the medium level (APRIM, 51.6 mm)”
Claim · model-written summary
Authors recommend medium APRI for processing tomato in arid northwest China.
Verbatim
e0“APRIM is recommended for processing tomato plantation in arid northwest China, to increase plant growth, fruit quality, yield, and iWUE synergistically.”
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