Effects of zinc-layered hydroxide on controlled release of plant nutrients and growth performance of Kelempayan (Neolamarckia cadamba) seedlings


Citation

Rozita Ahmad and Nor Farhana Khadiran and Mohd Zobir Hussein and Tumirah Khadiran and Siti Salwana Hashim and Zulkharnain Zainal and Wan Rasidah Kadir and Norhayati Hashim. (2023) Effects of zinc-layered hydroxide on controlled release of plant nutrients and growth performance of Kelempayan (Neolamarckia cadamba) seedlings. Journal of Tropical Plant Physiology (JTPP) (Malaysia), 15 (1). pp. 1-12. ISSN 1985-0484

Abstract

The loss of nutrients from conventional fertilisers is often encountered by the agricultural industry. Slow-release fertilisers by nanotechnology application can maintain nutrient availability for effective plant growth. Zinc-layered hydroxide nanohybrids have been little explored as controlled release systems of functional anions, unlike the Layered Double Hydroxides (LDH) that belong to the same family of anionic clays. The objective of the study was to investigate the effectiveness of zinc-layered hydroxide nanohybrid containing plant nutrient anions as a controlled-release formulation. Two nano-delivery materials namely zinc-layered hydroxide nitrate (ZLN) and zinc-layered hydroxide phosphate (ZLP) were successfully synthesised through the co-precipitation and anion exchange methods. The PXRD patterns of the resulting nanohybrids, ZLN and ZLP recorded basal spacing of 9.57 and 6.78Å, respectively, at a lower 2Ɵ angles range of 0-60°. FTIR analyses confirmed the formation of host-guest nanohybrid which comprised the characteristic bands of nitrate and phosphate. Thermogravimetric analyses showed the thermal stability of the nanohybrid obtained where the capability of the host material to function as a controlled release agent was determined through a controlled release study. Controlled release of plant nutrient sources, nitrate and phosphate from their respective nanohybrids were evaluated using various release medium solutions. The accumulated release of guest anion from interlayer zinc layered hydroxide (ZLH) nanohybrid into pH 4 solution was observed to be faster than pH 6.5. A higher concentration of sodium carbonate solution showed an increase in the percentage release for both nitrate and phosphate anions into the release medium. A plant growth trial using Kelempayan (Neolamarckia cadamba) seedlings showed that treatment with ZLN and ZLP recorded the highest biomass weight compared to application with commercial fertiliser and raw chemicals. The content of N, P and Zn in Kelempayan leaves showed the highest readings for similar treatment. The study found that ZLH has acted as a good host for inorganic plant nutrients with slow-release properties and thus has improved the growth performance of Kelempayan seedlings with better nutrient uptake.


Download File

Full text available from:

Abstract

The loss of nutrients from conventional fertilisers is often encountered by the agricultural industry. Slow-release fertilisers by nanotechnology application can maintain nutrient availability for effective plant growth. Zinc-layered hydroxide nanohybrids have been little explored as controlled release systems of functional anions, unlike the Layered Double Hydroxides (LDH) that belong to the same family of anionic clays. The objective of the study was to investigate the effectiveness of zinc-layered hydroxide nanohybrid containing plant nutrient anions as a controlled-release formulation. Two nano-delivery materials namely zinc-layered hydroxide nitrate (ZLN) and zinc-layered hydroxide phosphate (ZLP) were successfully synthesised through the co-precipitation and anion exchange methods. The PXRD patterns of the resulting nanohybrids, ZLN and ZLP recorded basal spacing of 9.57 and 6.78Å, respectively, at a lower 2Ɵ angles range of 0-60°. FTIR analyses confirmed the formation of host-guest nanohybrid which comprised the characteristic bands of nitrate and phosphate. Thermogravimetric analyses showed the thermal stability of the nanohybrid obtained where the capability of the host material to function as a controlled release agent was determined through a controlled release study. Controlled release of plant nutrient sources, nitrate and phosphate from their respective nanohybrids were evaluated using various release medium solutions. The accumulated release of guest anion from interlayer zinc layered hydroxide (ZLH) nanohybrid into pH 4 solution was observed to be faster than pH 6.5. A higher concentration of sodium carbonate solution showed an increase in the percentage release for both nitrate and phosphate anions into the release medium. A plant growth trial using Kelempayan (Neolamarckia cadamba) seedlings showed that treatment with ZLN and ZLP recorded the highest biomass weight compared to application with commercial fertiliser and raw chemicals. The content of N, P and Zn in Kelempayan leaves showed the highest readings for similar treatment. The study found that ZLH has acted as a good host for inorganic plant nutrients with slow-release properties and thus has improved the growth performance of Kelempayan seedlings with better nutrient uptake.

Additional Metadata

[error in script]
Item Type: Article
AGROVOC Term: Rubiaceae
AGROVOC Term: nutrients
AGROVOC Term: release agents
AGROVOC Term: hydroxides
AGROVOC Term: growth factors
AGROVOC Term: seedlings
AGROVOC Term: absorption
AGROVOC Term: fertilizers
AGROVOC Term: observation
Geographical Term: Malaysia
Uncontrolled Keywords: Fertiliser, nanohybrids, nitrate, phosphate, seedlings
Depositing User: Ms. Azariah Hashim
Date Deposited: 27 Sep 2024 07:34
Last Modified: 27 Sep 2024 07:34
URI: http://webagris.upm.edu.my/id/eprint/1266

Actions (login required)

View Item View Item
Agris UPM is powered by EPrints 3 which is developed by the School of Electronics and Computer Science at the University of Southampton. More information and software credits.