01 جنوری 1983 FAO plant production and protection paper about methods where water availability is the main constraint for crop production. 64 pages, tables, graphs
20 جنوری 2013 About 98% of agricultural production in the Sudano Sahelian region of West and Central Africa is based on rainfed crops. With a mean annual rainfall of 300 to 800 mm/year, the number of staple crops is very limited. It includes two grain crops: pearl millet (Pennisetum glaucum) for sandy soils...
20 نومبر 2019 Karanga ni mojawapo ya mazao yanayotoa mafuta. Katika Tanzania zao hili hustawi zaidi katika mikoa ya Kusini Mashariki, Dodoma na Morogoro. Pamoja na kutoa mafuta vile vile zao hutumika kwa njia nyingine mbali mbali, nazo ni pamoja na: Chakula cha wanyama / mifugo (Mashudu na majani), kurutubisha...
20 اپریل 2014 Harry van den Burg wrote in response to theEDN 121 articleabout: …the extent to which risk aversion may have been and even is overestimated, at the expense of hunger and exhaustion, as a leading limiting factor on agricultural productivity. “Whereas I certainly think that the argument has merit…I...