Onderzoek naar de bodemgesteldheid van het toekomstige ruilverkavelingsgebied Zundert. De gronden werden met deze gegevens beoordeeld op hun geschiktheid voor weidebouw, boomkwekerijgewassen en aardbeien, in de huidige toestand en na ingreep
Revista internacional de silvicultura e industrias forestales
Revue internationale des forts et des industries forestires
Reviews procedures for obtaining reliable information on animal populations, other ecological features and land use generally from low-flying aircraft by direct observation or conventional photography, with reference to types of sampling unit, and the relative merits of unstratified systematic and stratified random sampling.
Evaluates the usefulness of direct data collection from low-flying light aircraft for inventory & monitoring animal population & other rangeland features, viz. water bodies, vegetation structure & greenness and human settlements, for planning and management purposes.
Information on some diseases and pests that attack cassava, as well as the symptoms induced by nutritional deficiencies and toxicities and damage resulting from the misuse of herbicides are given in this manual. Specific and general recommendations regarding the control of the described problems are included. Disease control on a commercial scale is discussed. Formulae suggested for stake treatment before planting and storage and a key for identifying some cassava diseases are annexed. Color photos on symtomatology are included. (AS)
Records the history of ILCA's involvement in Botswana between 1977 & 1981, w. emphasis on the monitoring of the operational aspects of the Tribal Grazing Land Policy, particularly regarding the implementation of the Second Livestock Development Project, and the monitoring of range, livestock performance, ranch economics, socio-economic activities and the operations of the Nojane ranches; reviews other ILCA activities, particularly research collaboration w. scientists of the Animal Production Research Unit (APRU).
Information on some diseases and pests that attack cassava, as well as the symptoms induced by nutritional deficiencies and toxicities and damage resulting from the misuse of herbicides are given in this manual. Specific and general recommendations regarding the control of the described problems are included. Disease control on a commercial scale is discussed. Formulae suggested for stake treatment before planting and storage and a key for identifying some cassava diseases are annexed. Color photos on symtomatology are included. (AS)