Alternative soil quality indices for evaluating the effect of intensive cropping, fertilisation and manuring for 31 years in the semi-arid soils of India

RE Masto, PK Chhonkar, D Singh, AK Patra - … monitoring and assessment, 2008 - Springer
Soil quality assessment provides a tool for evaluating the sustainability of alternative soil
management practices. Our objective was to develop the most sensitive soil quality index for …

Soil quality response to long-term nutrient and crop management on a semi-arid Inceptisol

RE Masto, PK Chhonkar, D Singh, AK Patra - Agriculture, Ecosystems & …, 2007 - Elsevier
The soil quality concept provides a tool to help quantify the combined biological, chemical
and physical response of soil to crop management practices. Our objective was to quantify …

[PDF][PDF] Potassium nutrition of the rice–wheat cropping system

X Jian-chang - Advances in Agronomy, 2004 - iclfertilizers.com
POTASSIUM NUTRITION OF THE RICE– WHEAT CROPPING SYSTEM Page 1
POTASSIUM NUTRITION OF THE RICE– WHEAT CROPPING SYSTEM Bijay-Singh,1 …

Optimizing nutrient management strategies for rice–wheat system in the Indo-Gangetic Plains of India and adjacent region for higher productivity, nutrient use …

VK Singh, BS Dwivedi, KN Tiwari, K Majumdar… - Field Crops …, 2014 - Elsevier
ABSTRACT Rice (Oryza sativa L.)–wheat (Trititicum aestivum L.) system (RWS) in South
Asia is under stress, as nutrient removals by crops are higher than their replenishment …

Factors affecting potassium fixation in calcareous soils of southern Iran

M Najafi-Ghiri, A Abtahi - Archives of Agronomy and Soil Science, 2012 - Taylor & Francis
Potassium fixation capacity and mineralogical analysis of 24 representative soils, collected
from southern Iran, were studied. Potassium fixation analysis was performed by adding six …

[PDF][PDF] Potassium status and crop response to potassium on the soils of agro-ecological regions of India

A Subba Rao, C Srinivasarao, S Srivastava - IPI Research Topics, 1996 - ipipotash.org
Many different types of soil occur in different regions of India. Their potassium content varies
according to parent material, particle size distribution, degree of weathering and …

Potassium dynamics in calcareous Vertisols of southern Iran

M Najafi-Ghiri, A Abtahi - Arid Land Research and Management, 2011 - Taylor & Francis
The study was conducted to evaluate different forms of K, and release and fixation
characteristics of 12 representative calcareous Vertisols of southern Iran. Mineralogical …

Potassium fixation and release characteristics of some benchmark soil series under rice–wheat cropping system in the Indo‐Gangetic plains of northwestern India

AK Dhaliwal, RK Gupta, Yadvinder-Singh… - … in soil science and …, 2006 - Taylor & Francis
Potassium (K) fixation and release in soil are important issues in long‐term sustainability of
a cropping system. Fixation and release behavior of potassium were studied in the surface …

Fixation and recovery of added phosphorus and potassium in different soil types of pulse‐growing regions of India

C Srinivasarao, RN Singh… - … in soil science and …, 2007 - Taylor & Francis
Fixation and recovery of added phosphorus (P) and potassium (K) were studied in different
soil types of pulse‐growing regions. Amounts of P and K fixed increased in all the soils …

[PDF][PDF] Fractional recovery of applied potassium in soils of Southeastern Nigeria

FO Umoh, VE Osodeke… - Greener Journal of Soil …, 2017 - pdfs.semanticscholar.org
The fractional recovery of K was assessed in three selected surface soils of southeastern
Nigeria. Soils used were form on alluvium, shale, and coastal plain sands parent materials …