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Potassium fixation capabilities of some Inceptisols belonging to plain and sub-mountainous region

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Title Potassium fixation capabilities of some Inceptisols belonging to plain and sub-mountainous region
 
Creator A Sharma
V Sharma
S Arora
V M Arya
Ghattamaraju Maruthi Sankar
Kwestan Jalali
 
Subject Potassium-fixing capacity
Plains
Sub-mountainous soils
Prediction of K-fixation
 
Description Not Available
The soils representing plains and sub-mountainous regions of extreme north-west India were studied for their potassium (K)-fixation characteristics. Significantly higher K-fixation capacity was observed in sub-mountainous soils than the plains. Besides, significantly higher K-fixation capacity was observed in lower depths in comparison to upper depths in all the soils studied. Significant correlation obtained for K-fixation capacity with clay and CEC indicated that these properties would play a dominant role in the K dynamics. Two type of multivariate regression models were developed for prediction of K-fixing capacity. Models (Model A and B) were calibrated for their accuracy in predicting K-fixing capacity of soils. On comparing the observed and predicted values it was observed that the predictions based on model A were superior for plains, while the predictions based on model B were superior for sub-mountainous soils.
Not Available
 
Date 2020-08-19T10:21:13Z
2020-08-19T10:21:13Z
2016-12-01
 
Type Research Paper
 
Identifier Not Available
0974-0228
http://krishi.icar.gov.in/jspui/handle/123456789/39816
 
Language English
 
Relation Not Available;
 
Publisher Indian Society of Soil Science