Significant increase in the growth of paddy plant parts was achieved by halving the urea used and pelleting the remaining with neem cake prior to application. Results on a non-averaged dataset showed significant increase in leaf length, number of leaves, number of panicles, number of tillers and greenness of leaves.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/neem-cake-urea-mixed-applications-increase-growth-paddy
[2] http://admin.indiaenvironmentportal.org.in/category/author/r-s-bhalla
[3] http://admin.indiaenvironmentportal.org.in/category/author/k-v-devi-prasad
[4] http://admin.indiaenvironmentportal.org.in/category/journal/current-science
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agriculture
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agricultural-research
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agricultural-inputs
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/natural-fertilisers
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rice
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/neem
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india