What value of sodium adsorption ratio would classify soil as sodic?Group of answer choices210Above 135

Se mezclan 50 gramos de cloruro de sodio (NaCl) con 150 gramos de agua. Calcule la concentración molar (M) de la solución.*1 punto0.856 M.58.44 M.4.28 M.

What is conversion factor used to convert soil organic carbon (SOC) to soil organic matter (SOM)?Group of answer choices1.725.010.220.5

What are the units for soil organic matter?Group of answer choicesg/ccmicro m/secin/in%

What is the textural class of soil sample, which has 60% sand and 30% silt?Group of answer choicesclaysiltsandy loamsand

the following contribute to the soil erodibility factor?