Practices to reduce hydrogen sulfide emissions associated with livestock production apply to animal housing, manure storage areas, and land where manure is applied. This document provides an overview of practices for each situation, highlights their advantages and disadvantages, and allows producers to make informed choices after evaluating production and economic aspects of their operations. N...

management of organic and inorganic fertilizer application and residual of them are very important in their effect on environment and plant yield. in order to determine the effect of drought stress and different amendments on flower, essential oil and chamazulene yield and its components of matricaria chamomilla l., this study was conducted as a split plot design with three replications, at agr...

Developing integrated farming systems is critical to reducing the environmental impact of animal production. Traditionally, this has been through integrating animal and feed or plant production. But that has become increasingly difficult as agricultural production has become regionally specialized leading to the spatial separation of animal and feed production. This spatial separation has led t...

to evaluate the effects of soil fertilizing treatments on agro morphological traits and mucilage of isabgol, a glasshouse experiment was conducted in college of agronomy and animal sciences, university of tehran. the experiment was conducted as a factorial based on complete randomized block design with three replications. in this study, the effects of soil fertilizing treatments including contr...