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Autor: Lal, R.

Many constraints to intensive food-crop production in tropical Africa are related to tropical soils. Improved technologies are available for different ecological regions. Important technological innovations include manual land clearing, mulch farming, conservation tillage and tied- ridges, agrofo...


Lal, R.[Managing the soils of sub-Saharan Africa]Managing the soils of sub-Saharan Africa
Autor: Lal, R.

The effects of four gravel concentrations (0, 20, 40, and 60 percent by weight) and three gravel size fractions (4-8 mm, 8-15 mm, and 15-40 mm) on the calibration of a neutron moisture meter and density probe was investigated for a beach sand and a clayey tropical Alfisol (Oxic Paleustalf). The s...


Lal, R.[Concentration and size of gravel in relation to neutron miosture and density probe calibration]Concentration and size of gravel in relation to neutron miosture and density probe calibration
Pretty, Jules N.Sutherland, W.J.Ashby, J.A.Auburn, J.Baulcombe, D.C.Bell, M.Bentley, J.W.Bickersteth, S.Brown, K.Burke, J.Campbell, H.Chen, K.Crowley, E.L.Crute, I.Dobbelaere, D.A.E.Edwards-Jones, G.Funes-Monzote, F.Godfray, H.Charles J.Griffon, M.Gypmantisiri, P.Haddad, L.Halavatau, S.Herren, H.Holderness, M.Izac, A.M.Jones, M.Koohafkan, P.Lal, R.Lang, T.McNeely, J.Mueller, A.Nisbett, N.Noble, A.D.Pingali, Prabhu L.Pinto, Y.Rabbinge, RudyRavindranath, N.H.Rola, A.Roling, N.Sage, C.Settle, W.Sha, J.M.Shiming, L.Simons, T.Smith, PeteStrzepek, K.M.Swaine, H.Terry, Eugene R.Tomich, Thomas P.Toulmin, C.Trigo, EduardoTwomlow, StephenVis, J.K.Wilson, J.Pilgrim, S.[The top 100 questions of importance to the future of global agriculture]The top 100 questions of importance to the future of global agriculture

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