Browsing by Subject "pH"
Now showing items 1-4 of 4
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Addressing key conservation priorities in a data poor species
(2012-08-23)Conserving biodiversity is suggested to be one of the most important challenges being faced by the global community. The field of conservation biology has been developed to examine the threats that drive species to low ... -
Biological husbandry and the "nitrogen problem"
(Biological Agriculture and Horticulture, 1986)Since 1978, the author has been conducting research into the theory and practice of biological husbandry in collaboration with a farmer who stopped using pesticides and mineral fertilizers in 1976. Eggs are exported from ... -
Evaluation of pH Levels or High Content of Calcium, Magnesium and Sulphate in Drinking Water on Production Performance, Egg Quality, Bone Quality and Mineral Retention of Laying Hens
(2015)A water quality survey and 3 laying hen production trials were conducted to evaluate extremes in water pH and minerals found in Canadian egg production units. Two water mineral trials using waters with high contents of Ca, ... -
On-farm measurements of pH, electrical conductivity and nitrate in soil extracts for monitoring coupling and decoupling of nutrient cycles
(Biological Agriculture & Horticulture, 1993)