What has the author W J Spillman written?

Answer 1

W. J. Spillman has written:

'A theory of gravitation and related phenomena' -- subject(s): Gravitation

'A successful poultry and dairy farm' -- subject(s): Poultry, Dairy farms

'Forage plants in Washington' -- subject(s): Forage plants, Grazing

'Conservation of rainfall'

'Farm management' -- subject(s): Agriculture, Economic aspects, Economic aspects of Agriculture, Farm management

'Factors of successful farming near Monett, Mo' -- subject(s): Agriculture, Farms.

'Use of the exponential yield curve in fertilizer experiments' -- subject(s): Mathematical models, Fertilizers

'Balancing the farm output' -- subject(s): Agriculture, Economic aspects, Economic aspects of Agriculture