تأثیر مقادیر مختلف کود گاوی تازه و کمپوست شده روی ماده خشک تولیدی گیاهچه‌های گندم

In order to investigate the effect amount of fresh cow manure and compost on dry matter accumulation on the growth of wheat seedlings, A completely randomized block experimental design with three replications in two stages in 2012 research in the greenhouse was conducted. Treatments consisted different amounts Fresh and composted cow manure of 30, 60 and 90 tons per hectare. A control treatment (no fertilizer) was also evaluated. The results of this experiment showed that amounts of 30 and 60 tons of fresh cow manure had the most positive effects on dry matter of wheat. While the lowest growth rates in the control and 90 tons of fresh manure per hectare was observed. Also results showed that high levels of the inhibitory effect on growth of wheat seedling. Composted cow manure also the amount of 30 and 60 tons per hectare increased.