Furrow planting and ridge planting
Changing flat roof to slope roof
diagonal ridge for hip roof，vertical ridge for gable roof
flat- roof-to- slope-roof
flat-roof-to-slope-roof
flat-roof-to-sloping roof
roof pressure roof weight
roof prism (=roof-angle prism)
a major tree planting drive
A Test on Grape Planting with Biogas Fertilizer
Adjustable spire typed planting apparatus
Adjustment of planting structure
afforestation and planting grass