Basic soil data requirements for process-based crop models as a basis for crop diversification

EM Wimalasiri, E Jahanshiri, TASTM Suhairi… - Sustainability, 2020 - mdpi.com
Data from global soil databases are increasingly used for crop modelling, but the impact of
such data on simulated crop yield has not been not extensively studied. Accurate yield …

A review on dust pollution levels in urban environment of Sri Lanka with special emphasis on heavy metals in dust

H Pitawala, KDS Samaradiwakara - Environment, Development and …, 2023 - Springer
Abstract Dust containing Heavy Metals (HM) can accumulate in the soil, surface water
bodies, and groundwater, disrupting ecosystems and posing significant human health risks …

Exploring Phosphorus Dynamics in Submerged Soils and Its Implications on the Inconsistent Rice Yield Response to Added Inorganic Phosphorus Fertilisers in Paddy …

J Palihakkara, L Burkitt, P Jeyakumar… - Journal of Soil Science …, 2024 - Springer
Rice is the primary energy source of more than half of the global population. Challenges
persist in managing phosphorus (P) in paddy soils of tropical rice-growing countries. In Sri …

Trace elements and arsenic speciation of field and market Rice samples in contrasting Agro-climatic zones in Sri Lanka

AJD Perera, M Carey, PMCS De Silva, C Meharg… - Exposure and …, 2023 - Springer
Rice is a major source for micro-elements for the Sri Lankan population, across all agro-
climatic zones. This current study was conducted to investigate the variation of the metal …

[PDF][PDF] Variability of pH and EC of Selected Rice Cultivated Soils of Sri Lanka.

K Delgoda, S Sugathas… - Tropical Agricultural …, 2023 - account.tar.sljol.info
Soil pH and electrical conductivity (EC) are two major chemical properties affecting nutrient
availability and rice grain yield. Therefore, this study was conducted to investigate the …

Stability of solid form Cr (VI) after being loaded onto hydrochar under different soil pH conditions

GAG Kavindi, Z Lei, T Yuan, K Shimizu… - Bioresource Technology …, 2023 - Elsevier
Heavy metal ions such as Cr (VI) leaching from agricultural soil is one of the significant
environmental pollution threats. Hydrochar from hydrothermal co‑carbonization (HtcoC) of …

[PDF][PDF] Agronomy and Plant Nutrition Distribution of phosphorus and potassium in selected rice cultivated soils and their accumulation in rice grains under farmer …

LDB Suriyagoda, E Neththasinghe… - JOURNAL OF THE …, 2023 - nsf.ac.lk
Rice (Oryza sativa L.) is the staple food in Sri Lanka and phosphorus (P) and potassium (K)
are major nutrients for the rice plant. However, the variation of P and K contents (mg kg− 1) …

Distribution of phosphorus and potassium in selected rice cultivated soils and their accumulation in rice grains under farmer-managed field conditions in Sri Lanka.

LDB Suriyagoda, N Neththasinghe… - Journal of the …, 2023 - search.ebscohost.com
Rice (Oryza sativa L.) is the staple food in Sri Lanka and phosphorus (P) and potassium (K)
are major nutrients for the rice plant. However, the variation of P and K contents (mg kg-1) in …

[PDF][PDF] Exploring the Yield Response of Paddy (Oryza sativa L.) under Varying Levels of Soil Nitrogen, Phosphorus and Potassium.

H Kulasinghe, RS Dharmakeerthi… - Tropical Agricultural …, 2020 - account.tar.sljol.info
Assessment of crop responses under varying levels of soil available nitrogen (N),
phosphorus (P) and potassium (K) is important to develop site-specific nutrient management …

Design and Development of an Automated Paddy Transplanting Machine with a Novel Planting Mechanism

E De Saram, W De Silva… - 2022 Moratuwa …, 2022 - ieeexplore.ieee.org
Paddy planting in Sri Lanka has a deficit in mechanization. The commercially available
transplanters are mainly for the rice mat method and are less suited for the short-term rice …