CRITICAL LEVELS OF SOIL NUTRIENTS LIMITING CROP PRODUCTION
Fig 1: PLANT NUTRIENTS Soil can be thought of as the reservoir of most of the essential elements for plant growth. The soil supplies 13 elements out of the 16…
LETTUCE FARMING
Fig 1: LETTUCE Lettuce ( Lactuca species) is a plant with an ancient history. It's origin appears to have been in Asia Minor. The name lettuce is possibly derived from…