nutrients element content of soil
circulation of nutrients of soil-crop system
Available phosphorus content of soil
content of soil organic carbon
determination of content of balckcurrant pigment
Determination of content of fluorine
effect of content of alloying element
element content of soil
moisture content of soil layer
Nutrient content of soil
percent moisture content of soil
Residual NO3--N content of soil
the content of soil organic carbon
total nitrogen content of soil
Change of soil nutrients
Dynamic of soil nutrients