The effects of salinity stress and type of applied fertilizer on some agronomic and quality characteristics of Cuminum cyminum L. in Sistan condition

In order to evaluate interaction effect of saline and fresh water application with organic and chemical fertilizers on some organic and quality characters of cumin, a split-plot experiment in randomized complete blocks design with three replications was conducted at the Research Farm of agricultural research of Zabol University during 2011 and 2012. Main factor was irrigation levels including normal and salt water with EC 4.180 dS m-1 and the subplots were different type of fertilizers. The highest grain yield (213.5 kg ha-1) was obtained at the second year in Zahak from integrated fertilizer treatment in comparison to Bonjar, at the second year plant height (31.3 cm) significantly improved in comparison to the first year in the same treatment. Consumption of NPK-fertilizer in the first year related to low-quality of irrigation water produced the highest amount of essence (2.2%). Control and a separate NPK-fertilizer application, lead to significant sodium content in both years, while potassium, phosphorus, calcium and magnesium weren’t affected by the interaction of three factors (years, water and fertilizer). Application of manure to compose with NPK-fertilizer was more effective on plant height, seed weight and sodium content, and it was due to synergist-effects of two types of fertilizers. In general, plants will grow better in normal condition. For providing nutrient availability and increasing soil organic matter, NPK fertilizer with 40:20:15 kg ha-1 ratio with 20 ton ha-1 manure in area is recommended.