About Us

Nitrogen (N) is an important element required in rice production. Application of N fertilizer in split doses at critical growth stages during the growing season fulfils the requirement of the crop’s nitrogen.

To monitor and determine the leaf N content and record real time N fertilizer requirements to synchronize the demand and supply of the rice crops, a smart android based application for leaf color monitoring and N recommendation suitable for different rice ecologies has been developed by ICAR-National Rice Research Institute in joint collaboration with Norwegian Institute of Bioeconomy Research, Norway under RESILIENCE project.

Features

Easy to use application

N fertilizer doses as per the crop requirements at right time and right dose

Nitrozen fertilizer recommenation system based on Leaf Colour Analysis

Direct recommendation in terms of urea

User Instructions

  • Images of ten fully expanded healthy leaves should be taken with white background by placing a white sheet on the back of the leaf.
  • The images should be captured from a distance of 15-20cm. All the readings should be taken from 8-10 AM in the morning by the same person using an Android smartphone.
  • The images should be checked for its clarity with non blur, disease free, clean background.
  • Then the leaves are cropped and RGB values are extracted.
  • These RGB values are converted into pantones and then differentiated into four categories.
  • The N recommendation system is made based on these color categories.

Contributers

Contact Us

Director
ICAR - National Rice Research Institute, Cuttack 753006, Odisha
Phone: +91-671-2367757/56
EPBX: +91-671-2367768/783
Fax: +91-671-2367663
Email: director.nrri@icar.gov.in | crrictc@nic.in