Vinod Nayak

7 Questions 6 Answers 0 Followers

Questions related from Vinod Nayak

What are the techniques for estimating soil nutrients by using spaceborne hyperspectral data?

* i have collected soil samples during hyperion pass over the study area and chemical analysis was done. * Lab spectral signatures has not taken. * How can i correlate the chemical analysis...

09 September 2018 3,597 5 View

What are the recent research trends in utilization of spectroradiometer and hyperspectral data to determine soil nutrients in black soil/vertisols?

*Am also looking for the methodology to predict spatial variability of soil nutrients (specially for pigeon pea fields in India )

06 June 2016 2,515 0 View

What is the spectral reflectance of soil ?

* what will be the trend of vertisols reflectance curve for predicting soil nutrients(by spectro-radiometer)? * Please do suggest what will be the absorbance values(approx range) of all...

06 June 2016 1,173 4 View

What are the other alternatives to EO-1 hyperion data/image for predicting spatial variability soil properties ?

1.Enmap hyperspectral imager & HyspIRI (Hyperspectral Infrared Imager) can not be useful to predict soil properties variability ? 2.The DAR(data acquisition request ) form are going expired...

03 March 2016 9,374 1 View

What are the recent research trends in utilization of spectroradiometer and hyperspectral data to determine soil nutrients in black soil/vertisols?

*Am also looking for the methodology to predict spatial variability of soil nutrients (specially for pigeon pea fields in India ) * Even want to know ,predicting spatial variability of micro...

11 November 2015 8,025 4 View

How can modelling of micro-nutrients in black soil( smectite soil/vertisols) using GIS & RS help farmers ?

*By knowing the nutrients value of there fields(spatial distribution) ,they can apply effective fertilizers? *Am asking about north eastern transition zone ( AGRO CLIMATIC ZONES OF KARNATAKA,INDIA)

11 November 2015 1,670 16 View

What are the major micro nutrients present in black soil?

What are the major micro nutrients present in black soil and what are the impacts of their presence on soil fertility (specially in toor dal fields)?

10 October 2015 2,380 27 View