covering soil cultivation

non soil cultivation

original soil cultivation

ploughing wheat straw under soil

Protected soil

protected soil of tomato

red soil cultivation experiment

shallowly buried coal seam under soil strata

soil cultivation

soil under cap

soil under pile cap

soil-soil

Stem under soil surface

Sugarcane cultivation soil

under Soil

area under cultivation

cultivation under film mulch with drip irrigation

Cultivation under the crown

total area under cultivation