Structural degradation of silt clay loam soils in Delta, British Columbia, has resulted from
intensive cultivation of vegetable crops. A field experiment and a laboratory incubation study …

The kinetics of NH + 4 adsorption and desorption were investigated on the natural zeolite
clinoptilolite to ascertain its ability to adsorb and release the important plant nutrient N in its NH …

Ammonia emissions during composting of poultry manure can be significant, representing
increased environmental pollution and decreased fertilizer value of manure. The objectives of …

In the Fraser River Delta of British Columbia, Canada, one in three farms faces soil problems
associated with poor structure and low organic matter content. Surface soil structure usually …

Careful cover crop management during the spring growth period may allow farmers to
maximize dry matter (DM) yield and N accumulation for the subsequent crop. A 2‐yr study was …

Clinoptilolite, a zeolite mineral with a high cation exchange capacity and surface area, has
ion‐exchange properties that can be utilized to adsorb NH 4 + , protecting it from losses …

Crested wheatgrass (Agropyron cristatum (L.) Gaertn.) is an introduced grass used extensively
for rangeland revegetation in the semiarid and arid regions of western North America. …

In 1981 a two-year field plot experiment was established to assess the effects of quantities (0,
7.5, 15, 30, 60 and 120 t ha −1 ) of fresh kelp (Macrocystis integrifolia) on crop growth and …

In 1983 and 1984 field plot experiments were established to assess the effects of a foliar
applied (2 or 4L ha −1 ×four applications per season) kelpMacrocystis integrifolia, concentrate …

The fertile, but naturally poorly drained soils of the western Fraser Valley in British Columbia,
Canada are located in an area subject to about 1200mm of rainfall annually. These soils …