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Effects of Different Fertilization and Irrigation Rates on Plant Growth, Nutrient Uptake, Yield and Fruit Quality of MD-2 Pineapple
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Yanan LIU1, Dongsheng AN1, Chengming YAN1, Dongning HE2, Minggang XU1, 3, *
Chinese Journal of Tropical Crops | 2023, 44(8) : 1635 - 1643
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Chinese Journal of Tropical Crops | 2023, 44(8): 1635-1643
Plant Cultivation, Physiology & Biochemistry
Effects of Different Fertilization and Irrigation Rates on Plant Growth, Nutrient Uptake, Yield and Fruit Quality of MD-2 Pineapple
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Yanan LIU1, Dongsheng AN1, Chengming YAN1, Dongning HE2, Minggang XU1, 3, *
Affiliations
  • 1.South Subtropical Crops Research Institute, Chinese Academy of Tropical Agricultural Sciences/Key Laboratory of Tropical Crops Nutrition of Hainan Province, Zhanjiang, Guangdong 524091, China
  • 2.Lingnan Normal University, Zhanjiang, Guangdong 524048, China
  • 3.Shanxi Agricultural University, Taiyuan, Shanxi 030031, China
Published: 2023-08-25 doi: 10.3969/j.issn.1000-2561.2023.08.013
Outline
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A field experiment was conducted to investigate the effects of different fertilization and irrigation rates on plant growth, nutrient uptake, yield and fruit quality of MD-2 pineapple. The goal was to deal with the seasonal drought in the main producing areas of pineapple, and determine the appropriate rates of fertilization and irrigation for high-yield and high-quality pineapple variety growth, which can increase the yield and efficiency. MD-2 pineapple was subjected to a field plot experiment with eight treatments: (1) CK (no fertilization and no irrigation), (2) F1W0 (no irrigation with conventional fertilization), (3) F1W1 (fertigation with 50%-60% of field capacity), (4) F2W1 (25% reduction in fertilizer application with 50%-60% of field capacity), (5) F3W1 (50% reduction in fertilizer application with 50%-60% of field capacity), (6) F1W2 (fertigation with 30%-40% of field capacity), (7) F2W2 (the amount of fertilizer was reduced by 25%, 30%-40% of field capacity), and (8) F3W2 (the amount of fertilizer was reduced by 50%, 30%-40% of field capacity). The results showed that the total number of leaves, root, stem, leaf, stalk, fruit and plant dry biomass accumulations, and plant N, P, K accumulations of MD-2 pineapple of F1W1 treatment were significantly higher than those of CK. Compared with F1W0, F1W1 treatment significantly increased the plant height, stem height, stem diameter, D leaf length, D leaf width, peduncle diameter, and stem, leaf, peduncle, fruit and plant dry biomass accumulations, and N and K accumulations of plant. The transverse diameter, vertical diameter, fruit weight and fruit yield of MD-2 pineapple of F1W1 treatment were significantly higher than those of CK and F1W0. And the fruit yield of F1W1 was 117.46% higher than CK and 99.40% higher than F1W0, while there was no difference between F1W0 and CK. The fertilizer contribution rate and agricultural efficiency of each fertigation treatment were significantly higher than those of F1W0. The contents of vitamin C and titratable acid of F1W0 were the highest, but the sugar-acid ratio was the lowest. Under the same irrigation level, there were no significant differences in growth, dry biomass accumulation and fruit quality of MD-2 pineapple among different fertilization levels. The yield of F1W1 treatment was the highest, which had no significant difference with that of F3W1 treatment. The irrigation water productivity of F3W1 treatment was equivalent to that of all treatments with low irrigation level. Under the same fertilization level, the soluble sugar content and sugar-acid ratio of treatments with high irrigation rate were significantly higher than those of treatments with low irrigation rate. Considering the growth situation, yield and quality of MD-2 pineapple, irrigation water productivity and fertilizer contribution rate, F3W1 treatment was the optimal combination of fertilization and irrigation, which was beneficial to realize high yield, quality and efficiency of MD-2 pineapple.

MD-2 pineapple  /  fertilization and irrigation rates  /  nutrient uptake  /  yield  /  quality
Yanan LIU, Dongsheng AN, Chengming YAN, Dongning HE, Minggang XU. Effects of Different Fertilization and Irrigation Rates on Plant Growth, Nutrient Uptake, Yield and Fruit Quality of MD-2 Pineapple[J]. Chinese Journal of Tropical Crops, 2023 , 44 (8) : 1635 -1643 . DOI: 10.3969/j.issn.1000-2561.2023.08.013
Year 2023 volume 44 Issue 8
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Article Info
doi: 10.3969/j.issn.1000-2561.2023.08.013
  • Receive Date:2022-08-01
  • Online Date:2026-03-05
  • Published:2023-08-25
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History
  • Received:2022-08-01
  • Revised:2022-09-30
Funding
Affiliations
    1.South Subtropical Crops Research Institute, Chinese Academy of Tropical Agricultural Sciences/Key Laboratory of Tropical Crops Nutrition of Hainan Province, Zhanjiang, Guangdong 524091, China
    2.Lingnan Normal University, Zhanjiang, Guangdong 524048, China
    3.Shanxi Agricultural University, Taiyuan, Shanxi 030031, China
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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