Range:
Subjects: Calcareous soils; Chlorides; Gypsiferous soils; Irrigation water
Subjects: Calcareous soils; Calcium carbonate; Particle-size distribution; Soil texture
Subjects: Calcareous soils; Iraq; Thermodynamics
Subjects: Calcareous soils; Nitrogen fertilizers; Positivity effect
Subjects: Calcareous soils; Chromatographic analysis; Egypt; Land reform
Subjects: Adsorption; Calcareous soils; Kurdistan; Potassium
Subjects: Calcareous soils; Manures; Olives; Physiological effects; Wheat
Subjects: Adsorption; Boron; Calcareous soils; Salinity; Soils
Subjects: Calcareous soils; Irbil
Subjects: Calcareous soils; Carbonate minerals; Cations; Partition coefficient (Chemistry); Pollution
Subjects: Calcareous soils; Ninawa
Subjects: Calcareous soils; Water erosion
Subjects: Calcareous soils; Corn; Herbicides; Phosphates
Subjects: Calcareous soils; Cations; Humic acid; Saline water
Subjects: Beetroot; Calcareous soils; Chemical properties; Physical properties
Subjects: Adsorption; Calcareous soils; Manganese; Sulaymaniyah; Thermal energy
Subjects: Calcareous soils; Food production; Iraq; Potassium
Subjects: Drip irrigation; Irrigation systems; Research centres; Soil moisture; Temperatures
Subjects: Agriculture; Clay soils; Research centres; Salinity; Soils
Subjects: Calcareous soils; Chemical properties; Ion exchange
Subjects: Calcareous soils; Gypsiferous soils; Gypsum; Tikrit
Subjects: Alexandria; Calcareous soils; Health indicators; Irrigation water
Subjects: Calcareous soils; Mathematical models; Organic agriculture; Salinity; Zinc
Subjects: Chemical properties; Iran; Phosphates; Phosphorus; Physical properties
Subjects: Calcareous soils; Cobalt; Groundwater; Iraq
Subjects: Agricultural chemistry; Calcareous soils; Soil chemistry
Subjects: Calcareous soils; Jordan
Subjects: Calcareous soils; Cultivation of virgin land; Land use; Plants; Nutrition
Subjects: Calcareous soils; Plants; Development; Egypt
Subjects: Agricultural chemicals; Calcareous soils; Egypt
Subjects: Anbar; Calcareous soils; Iraq; Soil mechanics
Subjects: Calcareous soils; Corn; Fertilizers; Irrigation
Subjects: Calcareous soils
Subjects: Calcareous soils; Fertilizers
Subjects: Acidity; Calcareous soils; Soils
Subjects: Fertilizers; Manures; Organic fertilizers; Water; Irrigation water
Subjects: Calcareous soils; Fertilizers; Organic fertilizers
Subjects: Calcareous soils; Sandy soils; Water; Irrigation water
Subjects: Calcareous soils; Fertilizers; Manures; Organic fertilizers
Subjects: Calcareous soils; Sandy soils
Subjects: Calcareous soils; Egypt
Subjects: Calcareous soils; Legumes
Subjects: Calcareous soils; Sanitation; Soil mechanics; Soil physics; Plants
الموضوعات: البوتاسيوم؛ التربة الكلسية؛ العراق؛ الفحم
الموضوعات: التربة؛ التربة الكلسية؛ الملوحة؛ معادن الكربونات
الموضوعات: الأقراص المضغوطة؛ الذرة (نبات)؛ الموارد المائية؛ الهندسة الزراعية؛ علوم التربة
الموضوعات: التربة الكلسية؛ الرصاص؛ نينوى
الموضوعات: التربة الكلسية؛ الخصوبة؛ القمح؛ المياه
الموضوعات: التربة الرملية؛ التربة الكلسية؛ القمح؛ بولي فينيل الكحول؛ رطوبة التربة