Register      Login
Functional Plant Biology Functional Plant Biology Society
Plant function and evolutionary biology
RESEARCH ARTICLE

Assessment of physiological and biochemical responses of chilli (Capsicum annuum) varieties in floating bed cultivation for adaptation to waterlogged areas of Bangladesh

Md. Al-Imran A , Dipalok Karmaker A , Shawon Mitra A , Ishita Haider A , Md. Alimur Rahman B and Subroto K. Das https://orcid.org/0000-0003-2763-0232 A *
+ Author Affiliations
- Author Affiliations

A Department of Botany, University of Barishal, Barishal 8254, Bangladesh.

B Regional Agricultural Research Station (RARS), Rahmatpur, Barishal, Bangladesh Agricultural Research Institute (BARI), Gazipur, Bangladesh.

* Correspondence to: mrsubroto@yahoo.com

Handling Editor: Ravinder Kumar

Functional Plant Biology 51, FP24084 https://doi.org/10.1071/FP24084
Submitted: 22 March 2024  Accepted: 22 July 2024  Published: 20 August 2024

© 2024 The Author(s) (or their employer(s)). Published by CSIRO Publishing

Abstract

Chilli (Capsicum annuum) is an important spice crop in Bangladesh. This crop is very sensitive to waterlogging. Floating agriculture is an innovative system led by the local people of the southern region of Bangladesh, in which seedlings of vegetables are produced in low-lying areas using different aquatic macrophytes. An experiment was carried out to evaluate the viability of chilli cultivation in waterlogged areas, based on physiological and biochemical responses using floating agriculture. Eight different chilli varieties were subjected to floating agriculture in two different agronomic seasons. A soil-based chilli cultivation system was also trialled, to compare the utility of this method. To evaluate the performance of chilli in floating beds, plant water status, photosynthetic parameters, and leaf tissue concentrations of Na+, K+, NO3 and PO43−, chlorophyll, ascorbic acid and proline were assessed. This study shows that macrophytes utilised in floating beds provide favourable conditions for chilli cultivation under waterlogged conditions. Among the different varieties, Sakata 653 in summer and Jhilik in winter responded better than others. As the performance of chilli in the floating agriculture system was satisfactory in comparison with soil-based cultivation, floating agriculture can be an alternative agronomic method for chilli cultivation in waterlogged areas of Bangladesh.

Keywords: climatic adaptation, floating bed, ionic concentration, macrophytes, phytochemicals, submergence, water-logging tolerance, water status.

References

Abanto-Rodriguez C, Pinedo-Panduro M, Alves-Chagas E, Cardoso-Chagas P, Tadashi-Sakazaki R, Santos de Menezes PH, Farias-Araújo W, Murga-Orrillo H (2016) Relation between the mineral nutrients and the Vitamin C content in camu-camu plants (Myrciria dubia) cultivated on high soils and flood soils of Ucayali, Peru. Scientia Agropecuaria 7, 297-304.
| Crossref | Google Scholar |

Adem GD, Roy SJ, Zhou M, Bowman JP, Shabala S (2014) Evaluating contribution of ionic, osmotic and oxidative stress components towards salinity tolerance in barley. BMC Plant Biology 14, 113.
| Crossref | Google Scholar |

Akinyosoye VO (1976) ‘Senior tropical agriculture.’ (Macmillan)

Akram M, Hussain S, Hamid A, Majeed S, Chaudary SA, Shah ZA, Yaqoob A, Kayani F, Arif U, Fareed K, Jamil F, Mehmood Z, Basher S, Arif AA, Akhter N (2017) Interactive effect of phosphorus and potassium on growth, yield, quality and seed production of chili (Capsicum annuum L.). Journal of Horticulture 4, 1-5.
| Crossref | Google Scholar |

Alam K, Chowdhury MAT (2018) Floating Vegetable Gardening (FVG) as a sustainable agricultural system in Bangladesh: prospects for Kaptai Lake, Rangamati, Chittagong Hill-Tracts. OIDA International Journal of Sustainable Development 11, 43-58.
| Google Scholar |

Alsharafa KY (2023) Physiological and biochemical responses of pepper (Capsicum annuum) leaves to salt stress. International Journal of Agriculture and Biology 30, 72-78.
| Google Scholar |

Altaf MA, Shahid R, Altaf MA, Ren M-X, Tan K, Xiang W-Q, Qadir A, Shakoor A, Mohsin Altaf M (2019) Effect of NPK, organic manure and their combination on growth, yield and nutrient uptake of chilli (Capsicum Annum L.). Horticulture International Journal 3, 217-222.
| Crossref | Google Scholar |

Babanjeet , Talwar D, Singh K, Jindal S (2022) Influence of nitrogen and potassium on growth and yield of chilli (Capsicum annuum L.). Vegetable Science 49, 41-46.
| Crossref | Google Scholar |

BARI (2019) ‘Handbook on agro-technology.’ (Bangladesh Agricultural Research Institute: Gazipur, Bangladesh) Available at www.bari.gov.bd

Barrs HD, Weatherley PE (1962) A re-examination of the relative turgidity technique for estimating water deficits in leaves. Australian Journal of Biological Sciences 15, 413-428.
| Crossref | Google Scholar |

Bates LS, Waldren RP, Teare ID (1973) Rapid determination of free proline for water-stress studies. Plant and Soil 39, 205-207.
| Crossref | Google Scholar |

BBS (2023) ‘Yearbook of agricultural statistics-2022.’ 34th Series Bangladesh Bureau of Statistics (BBS) Statistics and Informatics Division (SID) Ministry of Planning Government of the People’s Republic of Bangladesh. Available at www.bbs.gov.bd

Begum F (1993) Ionic relation under salinity in Triticum aestivum L. PhD thesis, Dhaka University, Bangladesh.

Bettaieb T, Denden M, Mhamdi M (2008) Régénération in vitro et caractérisation physiologique de variants somaclonaux de glaïeul (Gladiolus grandiflorus Hort.) tolérants aux basses températures. Tropicultura 26, 10-16.
| Google Scholar |

Bidari BI, Hebsur NS (2011) Potassium in relation to yield and quality of selected vegetable crops. Karnataka Journal of Agricultural Sciences 24, 55-59.
| Google Scholar |

Bokkisam HB, Channal HT, Bidari BI, Shashidhara GB (2009) Effect of nutrient ratios on yield and economics of chilli (Capsicum annuum L.) cv. BYADGI DABBI in a vertisol of northern transitional zone of Karnataka. An Asian Journal of Soil Science 4, 198-200.
| Google Scholar |

Bot A, Benites J (2005) ‘The importance of soil organic matter: key to drought-resistant soil and sustained food production.’ (Food & Agriculture Organisation)

Bubán T, Helmeczi B, Papp J, Dorgo E, Jakab L, Kajati I, Merwin I (1996) IFP-compatible ground-cover management systems in a new-planted apple orchard. In ‘International conference on integrated fruit production 422’, pp. 263–267. (International Society for Horticultural Science) doi:10.17660/ActaHortic.1996.422.47

Butt M, Sattar A, Abbas T, Hussain R, Ijaz M, Sher A, Shahzad U, Ullah S, Brestic M, Zivcak M, Gasparovic K, Aljuaid BS, El-Shehawi AM, Zuan ATK (2021) Morpho-physiological and biochemical attributes of Chili (Capsicum annum L.) genotypes grown under varying salinity levels. PLoS ONE 16, e0257893.
| Crossref | Google Scholar | PubMed |

Cataldo DA, Maroon M, Schrader LE, Youngs VL (1975) Rapid colorimetric determination of nitrate in plant tissue by nitration of salicylic acid. Communications in Soil Science and Plant Analysis 6, 71-80.
| Crossref | Google Scholar |

Chalker-Scott L (2007) Impact of mulches on landscape plants and the environment – a review. Journal of Environmental Horticulture 25, 239-249.
| Crossref | Google Scholar |

Costa MLR, Henry R (2010) Phosphorus, nitrogen, and carbon contents of macrophytes in lakes lateral to a tropical river (Paranapanema River, São Paulo, Brazil). Acta Limnologica Brasiliensia 22, 122-132.
| Crossref | Google Scholar |

Dasgupta S, Huq M, Wheeler D (2016) Drinking water salinity and infant mortality in Coastal Bangladesh. Water Economics and Policy 2, 1650003.
| Crossref | Google Scholar |

Dhaka Tribune (2024) First it was green chillies, now it’s red chillies burning a hole in your pocket. Available at https://www.dhakatribune.com/business/319251/first-it-was-green-chillies-now-it%E2%80%99s-red-chillies

El-Ghorab AH, Javed Q, Anjum FM, Hamed SF, Shaaban HA (2013) Pakistani bell pepper (Capsicum annum L.): chemical compositions and its antioxidant activity. International Journal of Food Properties 16, 18-32.
| Crossref | Google Scholar |

Erinle ID (1989) Present status and prospects for increased production of tomato and pepper in Northern Nigeria. In ‘International Symposium on Integrated Management Practices for Tomato and Pepper Production in the Tropics’. 21–26 March 1988, Tainan, Taiwan. p. 45. (AVRDC: Taiwan).

Escalante-Magaña C, Aguilar-Caamal LF, Echevarría-Machado I, Medina-Lara F, Cach LS, Martínez-Estévez M (2019) Contribution of glycine betaine and proline to water deficit tolerance in pepper plants. HortScience 54, 1044-1054.
| Crossref | Google Scholar |

Evans JR (1989) Photosynthesis and nitrogen relationships in leaves of C3 plants. Oecologia 78, 9-19.
| Crossref | Google Scholar | PubMed |

Fan J, Hao M, Malhi SS, Wang Q, Huang M (2011) Influence of 24 annual applications of fertilisers and/or manure to alfalfa on forage yield and some soil properties under dryland conditions in northern China. Crop & Pasture Science 62, 437-443.
| Crossref | Google Scholar |

Fiasconaro ML, Lovato ME, Antolín MC, Clementi LA, Torres N, Gervasio S, Martín CA (2019) Role of proline accumulation on fruit quality of pepper (Capsicum annuum L.) grown with a K-rich compost under drought conditions. Scientia Horticulturae 249, 280-288.
| Crossref | Google Scholar |

Gomez KA, Gomez AA (1984) ‘Statistical procedures for agricultural research.’ (John Wiley & Sons)

Hamner KC, Lyon CB, Hamner CL (1942) Effect of mineral nutrition on the ascorbic-acid content of the tomato. Botanical Gazette 103, 586-616.
| Crossref | Google Scholar |

Haq AHMR, Ashaduzzaman M, Ghosal TK (2002) ‘Soil-less agriculture in Bangladesh.’ (Grammen Trust: Dhaka, Bangladesh)

Haq AHMR, Ghosal TK, Ghosh P (2004) Cultivating wetlands in Bangladesh. Leisa Magazine 20, 18-20.
| Google Scholar |

Hare PD, Cress WA (1997) Metabolic implications of stress-induced proline accumulation in plants. Plant Growth Regulation 21, 79-102.
| Crossref | Google Scholar |

Hira B (2019) Scope and speciality of floating agriculture in Bangladesh. The Asian Age Online, Bangladesh. Available at https://dailyasianage.com/news/195656/scope-and-speciality-of-floating-agriculture-in-bangladesh

Hossain MA (2014) Floating cultivation: an indigenous technology for adapting to water logging situation towards sustainable livelihood security in the low lying areas of Bangladesh. Journal of Bioscience and Agriculture Research 01, 56-58 Available at http://www.journalbinet.com/.
| Google Scholar |

Hossain MA, Hossain MS, Bhuyan MA, Karmakar R, Hossain MM (2012) Annual flood report 2012. (FFWC, BWDB: Dhaka, Bangladesh)

Hossain MS, Alam MU, Rahman A, Hasanuzzaman M, Nahar K, Al Mahmud J, Fujita M (2017) Use of iso-osmotic solution to understand salt stress responses in lentil (Lens culinaris Medik.). South African Journal of Botany 113, 346-354.
| Crossref | Google Scholar |

Irfanullah HM (2013) Floating Gardening: a local lad becoming a climate celebrity? Available at http://repo.floodalliance.net:8080/server/api/core/bitstreams/cf519e68-2ca8-4378-a7c8-1659c53ffa91/content

Irfanullah HM (2021) Is floating agriculture a nature-based solution? The Daily Star. Available at https://www.thedailystar.net/opinion/news/floating-agriculture-nature-based-solution-2046729

Irfanullah HM, Adrika A, Ghani A, Khan ZA, Rashid MA (2008) Introduction of floating gardening in the north-eastern wetlands of Bangladesh for nutritional security and sustainable livelihood. Renewable Agriculture and Food Systems 23, 89-96.
| Crossref | Google Scholar |

Irfanullah HM, Azad MAK, Kamruzzaman M, Wahed MA (2011) Floating gardening in Bangladesh: a means to rebuild lives after devastating flood. Indian Journal of Traditional Knowledge 10, 31-38.
| Google Scholar |

Islam T, Atkins P (2007) Indigenous floating cultivation: a sustainable agricultural practice in the wetlands of Bangladesh. Development in Practice 17, 130-136.
| Crossref | Google Scholar |

Islam MA, Hasan MA, Farukh MA (2017) Application of GIS in general soil mapping of Bangladesh. Journal of Geographic Information System 9, 604-621.
| Crossref | Google Scholar |

Islam MR, Sultana T, Haque MA, Hossain MI, Sabrin N, Islam R (2018) Growth and yield of chilli influenced by nitrogen and phosphorus. Journal of Agriculture and Veterinary Science 11, 54-68.
| Google Scholar |

Jackson ML (1967) Soil chemical analysis. Prentice Hall of India. Pvt Ltd, New Delhi 498.

Janyasupab P, Jampeetong A (2019) Interactive effects of nitrate and phosphorus concentrations on growth, NO3- uptake and minerals accumulation of Salvinia cucullata Roxb. ex Bory and Azolla pinnata R. Br. Thai Journal of Botany 1, 51-66.
| Google Scholar |

Kader MA, Singha A, Begum MA, Jewel A, Khan FH, Khan NI (2019) Mulching as water-saving technique in dryland agriculture: review article. Bulletin of the National Research Centre 43, 147.
| Crossref | Google Scholar |

Kaminwar SP, Rajagopal V (1993) Fertiliser response and nutrient requirements of rainfed chillies in Andhra Pradesh. Fertilizer News 36, 21-26.
| Google Scholar |

Kaouther Z, Mariem BF, Fardaous M, Cherif H (2012) Impact of salt stress (NaCl) on growth, chlorophyll content and fluorescence of Tunisian cultivars of chili pepper (Capsicum frutescens L.). Journal of Stress Physiology & Biochemistry 8, 236-252.
| Google Scholar |

Karmaker D, Al-Imran Md, Mitra S, Rahman MdA, Das SK (2023) Effect of different macrophytes on crop cultivation under floating agriculture system for climate change adaptation in Bangladesh. Aquatic Botany 189, 103699.
| Crossref | Google Scholar |

Kattge J, Knorr W, Raddatz T, Wirth C (2009) Quantifying photosynthetic capacity and its relationship to leaf nitrogen content for global-scale terrestrial biosphere models. Global Change Biology 15, 976-991.
| Crossref | Google Scholar |

Katuwal DR, Sabina KC, Kumal S, Shrestha RK (2023) Effects of different levels of potassium and their split applications on growth and yield of Chilli (Capsicum annuum L.). Asian Journal of Agricultural and Horticultural Research 10, 364-373.
| Crossref | Google Scholar |

Khan ZH, Mazumder AR, Mohiuddin ASM, Hussain MS, Saheed SM (1998) Physical properties of some benchmark soils from the flood-plains of Bangladesh. Journal of the Indian Society of Soil Science 46, 442-446.
| Google Scholar |

Khan A, Shah SNM, Rab A, Sajid M, Ali K, Ahmed A, Faisal S (2014) Influence of nitrogen and potassium levels on growth and yield of chillies (Capsicum annuum L.). International Journal of Farming and Allied Sciences 3, 260-264.
| Google Scholar |

Koç E, İşlek C, Üstün AS (2010) Effect of cold on protein, proline, phenolic compounds and chlorophyll content of two pepper (Capsicum annuum L.) varieties. Gazi University Journal of Science 23, 1-6.
| Google Scholar |

Kpinkoun JK, Amoussa AM, Mensah ACG, Komlan FA, Kinsou E, Lagnika L, Gandonou CB (2019) Effect of salt stress on flowering, fructification and fruit nutrients concentration in a local cultivar of chili pepper (Capsicum frutescens L.). International Journal of Plant Physiology and Biochemistry 11, 1-7.
| Crossref | Google Scholar |

Kulsum MU, Baque MA, Karim MA (2007) Effects of different nitrogen levels on the leaf chlorophyll content nutrient concentration and nutrient uptake pattern of blackgram. Pakistan Journal of Biological Sciences: PJBS 10, 250-254.
| Crossref | Google Scholar | PubMed |

Květ J, Pokorný J, Čížková H (2008) Carbon accumulation by macrophytes of aquatic and wetland habitats with standing water. Proceedings of the National Academy of Sciences India Section B – Biological Sciences 78, 91-98.
| Google Scholar |

Kwambe XM, Masarirambi MT, Wahome PK, Oseni TO (2015) The effects of organic and inorganic mulches on growth and yield of green bean (Phaseolus vulgaris L.) in a semi-arid environment. Agriculture and Biology Journal of North America 6, 81-89.
| Google Scholar |

Maji AK, Banerji P (2016) Phytochemistry and gastrointestinal benefits of the medicinal spice, Capsicum annuum L. (Chilli): a review. Journal of Complementary and Integrative Medicine 13, 97-122.
| Crossref | Google Scholar | PubMed |

Majumdar SP, Meena RL, Baghel GDS (2000) Effect of levels of compaction and potassium on yield and quality of tomato and chilli crops grown on highly permeable soils. Journal of the Indian Society of Soil Science 48, 215-220.
| Google Scholar |

Maradhy E, Nazriel RS, Sutjahjo SH, Rusli MS, Widiatmaka , Fedi Alfiadi Sondita M (2022) The relationship of P and N nutrient contents with chlorophyll-a concentration in Tarakan Island waters. IOP Conference Series: Earth and Environmental Science 1083, 012077.
| Crossref | Google Scholar |

Masifwa WF, Okello W, Ochieng H, Ganda E (2004) Phosphorous release from decomposing water hyacinth and effects of decomposition on water quality. Uganda Journal of Agricultural Sciences 9, 389-395.
| Google Scholar |

Mirza MMQ (2003) Climate change and extreme weather events: can developing countries adapt? Climate Policy 3, 233-248.
| Crossref | Google Scholar |

Molla MR, Rohman MM, Islam MR, Hasanuzzaman M, Hassan L (2022) Screening and evaluation of chilli (Capsicum annuum L.) genotypes for waterlogging tolerance at seedling stage. Biocell 46, 1613-1627.
| Crossref | Google Scholar |

Moorhead KK, Reddy KR, Graetz DA (1988) Water hyacinth productivity and detritus accumulation. Hydrobiologia 157, 179-185.
| Crossref | Google Scholar |

Moula MG, Dey T, Mian MAQ, Bachar BK (2020) Effect of NPK fertilizer on root, shoot and tiller increment of vetiver (Vetiveria zizanioides (L.) Nash). Asian Journal of Crop, Soil Science and Plant Nutrition 3, 80-86.
| Crossref | Google Scholar |

Mundree SG, Baker B, Mowla S, Peters S, Marais S, Vander Willigen C, Govender K, Maredza A, Muyanga S, Farrant JM, Thomson JA (2002) Physiological and molecular insights into drought tolerance. African Journal of Biotechnology 1, 28-38.
| Crossref | Google Scholar |

Mustafa Z, Pervez MA, Ayyub CM, Matloob A, Khaliq A, Hussain S, Ihsan MZ, Butt M (2014) Morpho-physiological characterization of chilli genotypes under NaCl salinity. Soil & Environment 33, 133-141.
| Google Scholar |

Nkcukankcuka M, Jimoh MO, Griesel G, Laubscher CP (2022) Growth characteristics, chlorophyll content and nutrients uptake in Tetragonia decumbens Mill. Cultivated under different fertigation regimes in hydroponics. Crop & Pasture Science 73, 67-76.
| Crossref | Google Scholar |

Parida AK, Das AB (2005) Salt tolerance and salinity effects on plants: a review. Ecotoxicology and Environmental Safety 60, 324-349.
| Crossref | Google Scholar | PubMed |

Pasquini SC, Santiago LS (2012) Nutrients limit photosynthesis in seedlings of a lowland tropical forest tree species. Oecologia 168, 311-319.
| Crossref | Google Scholar | PubMed |

Pawar SS, Bharude NV, Sonone SS, Deshmukh RS, Raut AK, Umarkar AR (2011) Chillies as food, spice and medicine: a perspective. International Journal of Pharmacy and Biological Sciences 1, 311-318.
| Google Scholar |

Pyka LM, Al-Maruf A, Shamsuzzoha M, Jenkins JC, Braun B (2020) Floating gardening in coastal Bangladesh: evidence of sustainable farming for food security under climate change. Journal of Agriculture, Food and Environment (JAFE) 1, 161-168.
| Crossref | Google Scholar |

Qin A, Fang Y, Ning D, Liu Z, Zhao B, Xiao J, Duan A, Yong B (2019) Incorporation of manure into ridge and furrow planting system boosts yields of maize by optimizing soil moisture and improving photosynthesis. Agronomy 9, 865.
| Crossref | Google Scholar |

Rahman AA, Alam M, Alam SS, Uzzaman MR, Rashid M, Rabbani G (2007) Risks, vulnerability and adaptation in Bangladesh. United Nations Development Programme, Human Development Report. p. 8.

Raven JA, Handley LL, Wollenweber B (2004) Plant nutrition and water use efficiency. In ‘Water use efficiency in plant biology’. (Ed. MA Bacon) pp. 171–197. (Blackwell Publishing Ltd)

Rogers HH, Davis DE (1972) Nutrient removal by waterhyacinth. Weed Science 20, 423-428.
| Crossref | Google Scholar |

Room PM, Thomas PA (1986) Nitrogen, phosphorus and potassium in Salvinia molesta Mitchell in the field: effects of weather, insect damage, fertilizers and age. Aquatic Botany 24, 213-232.
| Crossref | Google Scholar |

Saha SK (2010) Soilless cultivation for landless people: an alternative livelihood practice through indigenous hydroponic agriculture in flood-prone Bangladesh. Ritsumeikan Asia Pacific University, Beppu, Japan.

Sangla L, Suppadit T, Pintasean S (2015) Fundamental utilization of floating mass (Salvinia cucullata Roxb.) in agricultural aspect. Journal of Social Development and Management Strategy 8, 13-23 Available at https://so04.tci-thaijo.org/index.php/jsd/article/view/30687.
| Google Scholar |

Saud S, Li X, Chen Y, Zhang L, Fahad S, Hussain S, Sadiq A, Chen Y (2014) Silicon application increases drought tolerance of Kentucky bluegrass by improving plant water relations and morphophysiological functions. The Scientific World Journal 2014, 368694.
| Crossref | Google Scholar |

Sharma C, Singh N, Pal K (2012) The effect of salt stress on biochemicals of chili at seedling level. International Journal of Pharma Professional Research 3, 572-577.
| Google Scholar |

Shen H, Dong S, Xiao J, Zhi Y (2022) Effects of N and P enrichment on plant photosynthetic traits in alpine steppe of the Qinghai-Tibetan Plateau. BMC Plant Biology 22, 396.
| Crossref | Google Scholar | PubMed |

Siipilehto J (2001) Effect of weed control with fibre mulches and herbicides on the initial development of spruce, birch and aspen seedlings on abandoned farmland. Silva Fennica 35, 577.
| Crossref | Google Scholar |

Singletary K (2011) Red pepper: overview of potential health benefits. Nutrition Today 46, 33-47.
| Crossref | Google Scholar |

Slameto , Novianti L, Fariroh I, Rusdiana RY, Hariyono K (2021) Effects of potassium fertilizer on growth, capsaicin, and ascorbic acid content of local and hybrid chili (Capsicum Annum L.). Plant Cell Biotechnology and Molecular Biology 22, 337-345.
| Google Scholar |

Steffenhagen P, Zak D, Schulz K, Timmermann T, Zerbe S (2012) Biomass and nutrient stock of submersed and floating macrophytes in shallow lakes formed by rewetting of degraded fens. Hydrobiologia 692, 99-109.
| Crossref | Google Scholar |

Subedi P, Bhattarai P, Lamichhane B, Khanal A, Shrestha J (2023) Effect of different levels of nitrogen and charcoal on growth and yield traits of chili (Capsicum annuum L.). Heliyon 9, E13353.
| Crossref | Google Scholar |

Tsialtas JT, Maslaris N (2008) Sugar beet response to N fertilization as assessed by late season chlorophyll and leaf area index measurements in a semi-arid environment. International Journal of Plant Production 2, 57-70.
| Google Scholar |

Udoh J, Ndon BA, Asuquo PE, Ndaeyo NU (2005) Crop production techniques for the tropics concept publications limited. pp. 101–106. (Concept Publications Limited: Mushin, Lagos, Nigeria)

Wang Z, Zhang Z, Zhang J, Zhang Y, Liu H, Yan S (2012) Large-scale utilization of water hyacinth for nutrient removal in Lake Dianchi in China: the effects on the water quality, macrozoobenthos and zooplankton. Chemosphere 89, 1255-1261.
| Crossref | Google Scholar | PubMed |

Wilen CA, Schuch UK, Elmore CL (1999) Mulches and subirrigation control weeds in container production. Journal of Environmental Horticulture 17, 174-180.
| Crossref | Google Scholar |

Wright IJ, Reich PB, Westoby M, Ackerly DD, Baruch Z, Bongers F, Cavender-Bares J, Chapin T, Cornelissen JHC, Diemer M, et al. (2004) The worldwide leaf economics spectrum. Nature 428, 821-827.
| Crossref | Google Scholar | PubMed |

Wu Z, Wang X, Song B, Zhao X, Du J, Huang W (2021) Responses of photosynthetic performance of sugar beet varieties to foliar boron spraying. Sugar Tech 23, 1332-1339.
| Crossref | Google Scholar |

Yang B, Guo BZ, Guo RF (2018) Effect of water and fertilizer coupling on photosynthetic characteristic in rice. Chinese Journal of Tropical Crops 39, 1311-1317.
| Google Scholar |

Yasmin G, Islam D, Islam MT, Shariot-Ullah Md, Adham AKM (2019) Evaluation of groundwater quality for irrigation and drinking purposes in Barishal district of Bangladesh. Fundamental and Applied Agriculture 4, 632-641.
| Crossref | Google Scholar |

Yoshida S, Forno DA, Cock JH, Gomez KA (1976) Determination of chlorophyll in plant tissue. In ‘Laboratory manual for physiological studies of rice’. pp. 43–45. (International Rice Research Institute)