Nutrient Manager for Rice is a computer- and mobile phone-based decision support tool, enabling the rapid development of fertilizer guidelines for specific rice fields. It contains questions, which can be quickly answered with existing knowledge of farmers and technicians. After answering the questions, a printable fertilizer guideline or a text message is provided to the farmer.
Nutrient Manager for Rice is based on the principles of site-specific nutrient management (SSNM) as described in the following publication:
Fairhurst T, Witt C, Buresh R, Dobermann A (editors). 2007. Rice: a practical guide to nutrient management. Second edition. Los Baños (Philippines): International Rice Research Institute and Singapore: International Plant Nutrition Institute and International Potash Institute.
Click here to view the publication.
These principles of SSNM arise from nearly 15 years of research involving partnerships of the
International Rice Research Institute (IRRI) with organizations across Asia. Within the Philippines,
long-standing collaboration of IRRI with the Philippine Rice Research Institute (PhilRice) and the
University of the Philippines Los Baños (UPLB) contributed to the formulation of SSNM principles
and to the consolidation of knowledge, which made the development of Nutrient Manager for Rice possible.
Atlas Fertilizer Corporation contributed to the formulation and field evaluation of
Nutrient Manager for Rice in the Philippines. Staff members of the Bureau of Soils and Water Management (BSWM)
provided valuable inputs in the development of Nutrient Manager for Rice.
The Nutrient Manager for Rice provides nutrient management guidelines for rice under continuous
rice cropping in irrigated and rainfed lowland environments. The use of this software is subject
to the following terms and conditions:
The International Rice Research Institute (IRRI) does not endorse or promote specific fertilizers and
does not guarantee the accuracy of an analysis labeled on commercial fertilizers. The software assumes that the
N, P2O5, and K2O analysis labeled on a bag of fertilizer or organic material
accurately reflects the content of plant nutrients. Many factors in addition to nutrients—such as climate,
crop management, and water management—affect rice yield. IRRI does not guarantee a targeted rice yield will be
attained with the provided nutrient management guidelines. The content of the software is subject to change without notice.
Under no circumstances and under no legal theory, whether tort, contract, or otherwise,
shall the Board of Directors of the International Rice Research Institute (IRRI) or any of its affiliates, officers,
employees, or other representatives be liable to you or any other person for any direct, indirect, special, incidental,
or consequential damages of any character including, without limitation, damages for loss of goodwill, work stoppage,
computer failure or malfunction, or any and all other commercial damages or losses, specifically including damages to
crops and soil resulting from the application of the software, or for any damages or liabilities even if IRRI shall have been
informed of the possibility of such damages or liabilities, or for any claim by any other party. This limitation of liability
shall apply to liability for death or personal injury except to the extent applicable law prohibits such limitation.
Questionnaire forms listing all the questions in Nutrient Manager for Rice can be printed in the desired language or dialect and then used for interviewing farmers at remote locations with no internet access.
The information collected with a questionnaire form can then be entered into Nutrient Manager for Rice to obtain a fertilizer guideline for the interviewed farmer.
Application Status: Online-
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