Effect of Biochar on Dwarf Green Coconut Orchard Yield and Irrigation Water Productivity

Effect of Biochar on Dwarf Green Coconut Orchard Yield and Irrigation Water Productivity

The high irrigation water demand of coconut trees in semiarid regions makes rational use crucial for crop sustainability. Additionally, it produces residues that could improve the soil water holding capacity. This research aimed to evaluate the application of coconut shell biochar to an irrigated dw...

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Bibliographic Details
Published in:Communications in Soil Science and Plant Analysis Vol. 55; no. 16; pp. 2355 - 2366
Main Authors: Gonçalves Oliveira, John Jackie, Gondim, Rubens Sonsol, Távora Costa, Raimundo Nonato, da Silva, Janderson Pedro
Format: Journal Article
Language:English
Published: Philadelphia Taylor & Francis 07-09-2024
Taylor & Francis Ltd
Subjects:
Adaptation
Biometry
Brix value
Charcoal
climate change
Crop production
Fruits
Irrigation
Irrigation water
Leaves
Moisture content
Orchards
Plants
Productivity
Semi arid areas
Semiarid lands
Soil
soil conditioner
Soil improvement
Soil moisture
Soil water
Water demand
water retention
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Summary:The high irrigation water demand of coconut trees in semiarid regions makes rational use crucial for crop sustainability. Additionally, it produces residues that could improve the soil water holding capacity. This research aimed to evaluate the application of coconut shell biochar to an irrigated dwarf green coconut palm orchard. The study was carried out from January 2019 to December 2021 at Campo Experimental do Curu, Paraipaba, Brazil, belonging to Embrapa Agroindústria Tropical. The experiment consisted of a completely randomized design with five treatments and four replications and included the application of 0, 5, 10, 20, or 40 g of biochar per kg of soil, equivalent to 0.0 kg, 0.5 kg, 1.0 kg, 2.0 kg or 4.0 kg of biochar per plant, respectively. The following biometric variables were evaluated: number of leaves per plant (NL), plant height (PH), number of leaflets per leaf (LFT), canopy diameter (CD) and fruit production: number of bunches per plant (NB), number of fruits per plant (NF), volume of coconut water per fruit (CWF) and total soluble solids (TSS) (°Brix), as well as the daily soil moisture average. The results showed beneficial effects on the number of leaves per plant, fruits per plant, soil moisture and irrigation water productivity in terms of liters per fruit, liters per coconut water and fruits per cubic meter (m 3 ) applied with ideal biochar doses estimated to be 1.40 kg, 1.72 kg, 1.79 kg, 1.56 kg, 1.48 and 1.68 kg of biochar per plant, respectively.
ISSN:0010-3624
1532-2416
1532-4133
DOI:10.1080/00103624.2024.2359573