Potassium nutrition of crops under varied regimes of nitrogen supply

F Zhang, J Niu, W Zhang, X Chen, C Li, L Yuan, J Xie - Plant and soil, 2010 - Springer
Nitrogen (N) over-application is a serious problem in intensive agricultural production areas
with consequent large N losses and environmental pollution. In contrast to N, potassium (K) …

Potassium supplying capacity of a red soil from eastern India after forty-two years of continuous cropping and fertilization

D Das, BS Dwivedi, SP Datta, SC Datta, MC Meena… - Geoderma, 2019 - Elsevier
Fertilizer use in Indian agriculture is skewed towards nitrogen (N) and phosphorus (P), and
farmers generally neglect potassium (K) input ignoring K requirement of crops. We …

Long-term straw returning improve soil K balance and potassium supplying ability under rice and wheat cultivation

Z Zhang, D Liu, M Wu, Y Xia, F Zhang, X Fan - Scientific Reports, 2021 - nature.com
The aims of the present study were to provide scientific bases for rational use of crop straw
to substitute chemical potassium (K) input. The effects of potassium fertilization and straw …

Potassium management in tea plantations: Its uptake by field plants, status in soils, and efficacy on yields and quality of teas in China

J Ruan, L Ma, Y Shi - Journal of Plant Nutrition and Soil …, 2013 - Wiley Online Library
Tea is one of the major cash crops in the tropical and subtropical areas of China. Insufficient
potassium (K) supply is an important limiting factor to the productivity as the soils are highly …

Assessing the availability of potassium and its quantity-intensity relations under long term conservation agriculture based cereal systems in North-West India

K Rani, A Datta, HS Jat, M Choudhary… - Soil and Tillage …, 2023 - Elsevier
Potassium fertilization is often neglected and/or ignored leading to imbalanced fertilization
under intensive cultivation especially in the Indo Gangetic Plains (IGP) in North-West India …

Eight-year long potassium fertilization effects on quantity/intensity relationship of soil potassium under double rice cropping

A Islam, AJMS Karim, ARM Solaiman, MS Islam… - Soil and Tillage …, 2017 - Elsevier
Present research was undertaken to understand the effect of long-term potassium (K)
fertilization@ 0 kg (K 0) and 80 kg (K 80) K ha− 1 on the quantity/intensity (Q/I) parameters …

Long-term differences in nutrient management under intensive cultivation alter potassium supplying ability of soils

D Das, BS Dwivedi, SP Datta, SC Datta, MC Meena… - Geoderma, 2021 - Elsevier
Despite removal of potassium (K) by crops in large quantities, often exceeding that of
nitrogen (N), K fertilization has long been neglected compared with N and phosphorus (P) in …

[HTML][HTML] Straw return increases crop grain yields and K-use efficiency under a maize-rice cropping system

Y Han, W Ma, B Zhou, A Salah, M Geng, C Cao… - The Crop Journal, 2021 - Elsevier
Straw return is an effective way to improve crop grain yield and potassium (K) use efficiency
by increasing soil K content. However, the effects of straw return on soil K supplying …

Measuring potassium fractions is not sufficient to assess the long-term impact of fertilization and manuring on soil's potassium supplying capacity

D Das, AK Nayak, VK Thilagam, D Chatterjee… - Journal of Soils and …, 2018 - Springer
Abstract Purpose Potassium (K)-fractions, thresholds of K release and fixation, quantity-
intensity (Q/I) parameters of K, K-release kinetics, and K-fixation capacity were compared for …

Long-term K dynamics in organic and conventional mixed cropping systems as related to management and soil properties

Y Andrist-Rangel, AC Edwards, S Hillier… - Agriculture, ecosystems & …, 2007 - Elsevier
The effects of management and soil properties on potassium (K) dynamics and delivery
capacity have been investigated in mixed crop rotations that included a period of ley. The …