demands for soil phosphorus and sulfur increase. Major outcomes of the research were a better understanding of the nutrient … dynamics in South-East Asia and the development of a new and more reliable soil test for available sulfur. The new test (KCl-40 … soil tests conducted for growers in NSW, Victoria, South Australia and Western Australia, although its significance as far …

objective of this study is to employ a Just-Pope production function to examine the relationship between fertilizer inputs, soil … fertilizer, temporal diversity, and PBR wheat cultivars are associated with increased yield variance. Mean wheat yield is reduced … contrast, higher soil quality and PBR wheat cultivars increase mean yield. The wheat yield increases attributed to PBR range …

Fertilizer price volatility has increased dramatically. This research examines cash purchase and warehouse strategies …. Seventeen years of Oklahoma fertilizer prices are examined. The results indicate that mechanical cash purchase strategies can be … used to reduce the average cost or variance for fertilizer. Optimal purchase dates are also identified. …

increased yields, decreased costs and conserved soil and water on small plots of crop land. Controlled traffic farming in … southern and central Queensland increased cropping intensity, conserved soil and water, and increased yields and returns …