books الأسمدة الكيميائية
If you do not find what you're looking for, you can use more accurate words.
# Chemical fertilizer sources
# chemical fertilizer industry
# Chemical fertilizers pollute the soil
# organic fertilizers
# mineral fertilizers
# Types of vegetable fertilizers
# Use of organic fertilizers
# The importance and preference of organic fertilizers
# Industrial pesticides and fertilizers
# Methods of manufacturing organic fertilizers
# Organic fertilizers and new land
# Fertilizers and soil conditioners
# Soil fertility and fertilizers
# Mixing mineral and organic fertilizers
# Production of fertilizers from phosphate ores
# The useful manual on fertilizers and fertilization
# Agriculture, organic fertilizers and diseases
# About agricultural fertilizers
# Agricultural fertilizers and their waste
# Fertilizers and their risks
View more
سماد كيماوي (Info)
سَماد كيماويّ:- (الكيمياء والصيدلة) مركّبات كيميائيَّة أشهرها المركَّبات الآزوتيَّة، تستعمل مخصِّبات للتربة (معجم اللغة العربية المعاصرة)
