Ruilverkavelingsgebied Leeuwarderadeel : het doorlatendheidsonderzoek
Ruilverkavelingsgebied Schagerkogge : bodemgesteldheid en bodemgeschiktheid
Ruilverkaveling Weerselo - Dulder : bodem, bodemgesteldheid en bodemgeschiktheid
The tropics
An international journal of forestry and forest industries
Africa and the fertilizer Industry : a review of the industry in the light of recent world-wide developments
This paper focuses on the reviews of fertilizer situation and recent trend in the African region in relation to those in the worlds the conclusion reached is that in certain area of the region high priority should be according to the development of the basis of indigenous raw materials and energy resource wich are available in abundances. An attempt has been made to estimate rough orders of magnitude of the investment implications based on import substitution on the one hand and combinations of import substitution and increase exports on the others
KARI-NARL- Kenya Soil Survey NO.R1 1975
The present soil survey is the first in a series of "reconnaissance soil surveys", with a multi-purpose land evaluation. A programme of systematic inventory of the soil and, land resources of the country was initiated by the Kenya Soil Survey in 1972, after strengthening with manpower and funds from the Netherlands Directorate for Development Co-operation through the "Kenya Soil Survey Project", of the then Soil Survey Unit of the National Agricultural Laboratories in Nairobi.