Bezerra AM, Momente E, Medeiros VG, Filho S (2004). Germination of seed and seedling development of drumsticks as a function of seed weight and substrate type. Hortic. Bras. 2:295-299.
Crossref

Bouyoucos GJ (1962). Hydrometer method improved for making particle size analysis of soil. Agron. J. 53:464-465.
Crossref

Brady NC, Weil RR (2009). Elements of the nature and properties of soils. New York, Prentice Hall.

Dania SO, Akpansubi P, Eghagara OO (2014). Comparative effects of different fertilizer sources on the growth and nutrient content of Moringa (Moringa oleifera) seedlings in a greenhouse trial. Adv. Agric. pp. 1-6.
Crossref

Food and Agriculture Organization (FAO) (1973). Calcareous soils. Rome, FAO Soils Bulletin 21.

Foidl N, Makkar HPS, Becker K (2001). The potential of Moringa oleifera for agricultural and industrial uses. In: Fuglie LJ (ed) The Miracle Tree: The Multiple Attributes of Moringa. CTA, USA, pp. 86-90.

Fuglie JW (2001). The miracle tree: Moringa oleifera, natural nutrition for the tropics.Training Manual. Dakar, Senegal; Church World Service.

Hegazi MA (2015). Influence of soil type, sowing date and diluted seawater irrigation on seed germination, vegetation and chemical constitution of Moringa oleifera. J. Agric. Sci. 7(3):138-147.

Hepler PK (2005). Calcium: A central regulator of plant growth and development. Plant Cell.17:2142-2155.
Crossref

Kabata-Pendias A (2010). Trace elements in soils and plants. Harvard, CRC Press.
Crossref

Leone A, Spada A, Battezzati A, Schiraldi A, Aristil J, Bertoli S (2015). Cultivation, genetic, ethnopharmacology, phytochemistry and pharmacology of Moringa oleifera leaves: An overview. Int. J. Mol. Sci. 16:12791-12835.
Crossref

Marschner H (1995). Mineral nutrition of higher plants. London, Academic Press.

McMahon MJ, Kofranek AM, Rubatzky VE (2005). Hartmann's plant science: Growth, development and utilisation of cultivated plants. Upper Saddle River, Ne Jersey, Prentice Hall.

Mridha MAU (2015). Prospects of moringa cultivation in Saudi Arabia. J. Appl. Environ. Biol. Sci. 5(3):39-46.

Obreza TA, Zekri M, Calvert DV (2015). Citrus fertilizer management on calcareous soils. UF/IFAS Extension, CIR1127.

Pahla I, Tagwira F, Muzemu S, Chitamba S (2013). Effects of soil type and manure level on the establishment and growth of Moringa oleifera. Int. J. Agric. For. 3(6):226-230.

Ramachanran C, Peter KV, Gopalakrishan PK (1980). Drumstick (Moringa oleifera): A multipurpose tree Indian vegetable. Econ Bot. 34(3):276-283.
Crossref

Thomas GW. 1996. Soil pH and soil acidity. In: Sparks DL, editor. Methods of soil analysis: Part 3 Chemical methods. SSSA Book Series. Madison, W, Soil Science Society of America.