It also shows the proportion of polygon encompassed by the dominant soil or nonsoil. Soils include turbels, orthels, histels, histosols, mollisols, vertisols, aridisols, andisols, entisols, spodosols, ...

Boron is a micronutrient for plants required for several biochemical processes ( Cakmak and Romheld, 1997). Boron deficiency is a widespread problem in relatively humid areas, especially in sandy ...