Effect of some natural soil amendments on biological nitrogen fixation, growth and green yield of pea plants grown on sandy soils
By: Abd al-Wahhab, Atif Fath Allah; Bayyumi, Abd al-Hamid Mahmud; al-Farghal, Walid Mahmud. Fayoum Journal of Agricultural Research and Development. Vol.17 No. 2 (July, 2003), pp.1-8, 8 p.
Subjects: Egypt; Ismailia (City); Fertilizers