Co-application of charcoal and wood ash to improve potassium availability in tropical mineral acid soils

P Paramisparam, OH Ahmed, L Omar, HY Ch'ng… - Agronomy, 2021 - mdpi.com
Potassium (K) is a macronutrient required by plants for energy production, enzyme
activation, formation of cell wall, production of protein, and photosynthesis. However, K in …

Prospects and challenges in utilization of indigenous rocks and minerals as source of potassium in farming

AO Shirale, BP Meena, PP Gurav… - Journal of Plant …, 2019 - Taylor & Francis
Potassium (K) is one of the essential nutrients required by crops in large quantities;
however, its use in agriculture by farmers is less than required in developing countries. This …

Acid soils nitrogen leaching and buffering capacity mitigation using charcoal and sago bark ash

NH Hamidi, OH Ahmed, L Omar, HY Ch'ng, PD Johan… - Sustainability, 2021 - mdpi.com
Soil acidity compromises agricultural output in tropical acid soils. Highly weathered tropical
acidic soils are characterized by low pH, organic matter, nutrient availability, but high …

Potassium recovery from farm wastes for crop growth

GO Adeoye, MKC Sridhar… - Communications in soil …, 2001 - Taylor & Francis
Potassium (K) is a scarce agricultural chemical, which is being depleted from Nigerian soils
at a fast rate. There are no known resources in Nigeria and farmers depend on imported …

Combined use of charcoal, sago bark ash, and urea mitigate soil acidity and aluminium toxicity

NH Hamidi, OH Ahmed, L Omar, HY Ch'ng - Agronomy, 2021 - mdpi.com
Highly weathered tropical acidic soils are characterized by low pH, low organic matter, and
aluminium and iron toxicity. These factors pose a challenge to achieving sustainable …

Scope of natural sources of potassium in sustainable agriculture

BB Basak, B Sarkar - Adaptive soil management: From theory to practices, 2017 - Springer
Modern intensive agriculture leads to significant decline in soil K status due to crop removal
without compensating through K fertilizer. Most of the K ores suitable for commercial K …

Forest‐derived liming by‐products: potential benefits to remediate soil acidity and increase soil fertility

B Gagnon, N Ziadi - Agronomy Journal, 2020 - Wiley Online Library
Soil acidification is an important cause of declining crop yields in many countries, including
Canada and the United States. Meanwhile, alkaline by‐products from forest resources are …

Chemical effects of wood ash on plant growth in tropical acid soils

JCV Nkana, A Demeyer, MG Verloo - Bioresource Technology, 1998 - Elsevier
A greenhouse study was conducted to compare chemical effects of wood ash and CaCO3
on the growth of rye grass (Lolium perenne L.) in three tropical acid soils (Kandiudult) …

Mineral sources of potassium for plant nutrition. A review

DAC Manning - Agronomy for sustainable development, 2010 - Springer
Recently published assessments of nutrient budgets on a national basis have shown that K
deficits for developing countries are so substantial that a doubling of world production of …

Sustainable management of potassium.

M Askegaard, J Eriksen… - Managing soil quality …, 2004 - cabidigitallibrary.org
Potassium (K) is one of the most abundant nutrient elements in soil and one that is required
in large amounts by plants. Of the huge amount of K in many soils only a fraction is available …