Krishna, K. R. <br/><br/>
Precision farming  Soil fertility and productivity aspects 

 - London  CRC Press  2013 
 - xii, 173 
<br/><br/><label>ISBN: </label>9781926895444 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture<br/>Farming<br/>Soil fertility<br/>Soil productivity