كتب رقمية
الصفحة رقم: 2 من 25
Primer for Municipal Waste Water Treatment Systems
Principles of Irrigation Engineering
Soil Biochemistry
Soil Cutting and Tillage
Soil Fertility and Irrigation Mangement
Soil Fertility Training Manual
Wastewater Microbiology Third Edition
Wastewater Treatment Manuals
World Reference Base for Soil Resources-2014
اعراض نقص العناصر الغذائية
هندسة الرى والصرف
African Water Resource Database part-1
African Water Resource Database Part-2
Climate Change Financing
Efficiency of Soil and Fertilizer Phosphorus Use