Care has to be taken when driving heavy equipment during certain times of the year or during wet conditions. Soil compaction is a common problem which is limiting in the selection and management of vegetation. Heavy equipment cannot be used in certain fields. Excess subsurface water Subsurface water does not accumulate in the soil profile and does not limit plant growth or operations. Subsurface water accumulates in the soil profile and slightly limits plant growth or operations.
Subsurface water does accumulate in the soil profile and commonly limits plant growth or operations.
Subsurface water does accumulate in the soil profile and severely limits plant growth or operations. Soil pH is at optimum level to grow the selected forage. Soil pH is within range needed to grow the selected forage. Nutrients N fertilizer rates 7 N rates are based on the plant needs and the expected forage harvested. N rates are based on the plant needs but sometimes N is overapplied or underapplied for the expected forage harvested.