/ library resources
Showing items 1 through 9 of 23.
The factors influencing the size and shape of exptl. field plots (area of exptl. lot, soil types, trial objective, no. of replicates, and degree of accuracy and homogeneity of the exptl. material) for the execution of field expt. are discussed.
Se presenta un manual detallado que describe los metodos estandarizados de procedimiento para el analisis de suelo y tejidos vegetales con el objeto de 1) proveer a los investigadores de America tropical informacion sobre metodologia existente para los analisis de suelos acidos y plantas del trop
Describes generally the parameters of pastoralist milk production w. partic. ref. to cattle. Discusses briefly methods of determining milk yield and milk offtake and the effect of milk production on reproductive rate.
Examines the productivity of East African pastoral systems in terms of animal protein & energy production, milk offtake and livestock production parameters such as calving percentage, calf mortality and herd structure; compares the productivity of East African pastoral systems to those of com
Evaluates the productivity of grade Boran cattle maintained by chemoprophylaxis under severe trypanosomiasis risk at Mkwaja ranch, Tanzania; uses data based on more than 20,000 calving records over the 10-year period from 1973 to 1982; discusses environmental influences on performance traits and
Looks at the allocation of resources to livestock research in Africa. Assesses the role of agricultural research and its value to national governments. Investigates the appropriate criteria to use for decision making by comparing three kinds of decision-making models.
Land Library Search
Through our robust search engine, you can search for any item of the over 73,000 highly curated resources in the Land Library.
If you would like to find an overview of what is possible, feel free to peruse the Search Guide.