Astronomy & Space Sciences
Title : | Nutrient modeling of soil for assessing the soil health and sustenance of soil fertility |
Area of research : | Astronomy & Space Sciences |
Focus area : | Agriculture and Soils |
Contact info : | ramasubramoniams@gmail.com |
Details
Executive Summary : | Decline in soil fertility does not get the same public attention as that of floods, droughts, pest infestation etc., since it is a gradual process and not associated with catastrophes and mass starvation and therefore largely invisible. This necessitates a regular monitoring of changes in soil fertilitythat occurs in the soil. For understanding the role of different process a budgetary approach offers good
toolthrough analyzing the turnover of nutrients in the soil-plant system at different spatial scales. Nutrient balances can provide an early indication of potential problems arising from a nutrient surplus or a deficit, increasing the risk of toxicities or deficiencies, respectively, both of which reduce crop yields. This project is being proposed to give solutions by identifying the root cause and assessing the nutrient inflows and outflows from the system i.e at field level, farm level and regional level. This will be done in a holistic manner by using nutrient budgeting model viz. NUTMON, etc in terms of nutrient stocks / flows as an crop / cropping system and farm as a whole and also as a district /regional level to know about the status of their soils and the strategies needed to sustain the fertility besides explore the possibilities for increasing the crop productivity in a environmentally sustainable way. High resolution data like CARTOSAT and LISS IV may be used in this study. Spatial variability of soils and nutrients availability is major components of this proposed study. |
Co-PI: | Dr. S. Rama Subramoniam, National Remote Sensing Centre (NRSC), Hyderabad |
Organizations involved
