Maybe the UC Irvine Machine Learning Repository will help. Have a try.

http://archive.ics.uci.edu/ml/

Hi Jiang

Thanks for your response. I am looked into the web link. But it not completely fulfilling my requirement. I am looking for a data set around 300 to 500 images where I can use those for training data set. Can you kindly help me out with that.

Dear Ali 

Thanks for sharing the web links. The 1st website consists of only the diseased plants and the for the 2nd website membership is required. Actually I am looking for an open data database which consist of both the weed and crop.  Are there any open database of such kinds.

Thank you for sharing the websites.

Dheeman Saha , Did you get a chance to get hold of such dataset? please point to it is possible. Thanks in advance

Hello Anu Anubhav

Yes I got of that dataset and worked with it in some of my papers. you can look at them in the list of papers thats under my profile.

Hello Dheeman Saha !!

Sir, I am working on plant growth monitoring system using ML where I am trying to find the plant growth w.r.t. soil nutrients (Nitrogen, phosphorus, Potassium ) .I am looking for soil nutrients (NPK) datasets w.r.t.plant growth.Could you please help me in this regard?

I need this urgently.

Thank you !!

Sir, did you find a dataset with respect to plant growth ?

Hello Dheeman Saha

Currently i m working on project for that i need huge dataset about different crops,from where can i get that ?? crops such as wheat,rice,barley,sugarcane,cotton,etc..

hi Virti Parekh you can download datasets by using this link https://www.researchgate.net/post/Datasets_for_identification_and_classification_of_plant_leaf_diseases