ارزیابی سودمندی عملکرد کشت مخلوط نخود– جو تحت تنش خشکی و مصرف ورمی‌کمپوست

In order to evaluate of yield benefit of chickpea - barley mixed cropping under drought stress and vermicompost usage, two separate factorial experiment were done under well watered and dry land condition in RCBD in three replications in temperate condition of khorramabad. Chickpea -barley mix cropping (sole chickpea, %75 chickpea: %25 barley, %50 chickpea: %50 barley, %25 chickpea: %75 barley, and sole barley) and fertilizer (vermicompost biological fertilizer, ammonium phosphate chemical fertilizer, vermicompost + %75 chemical fertilizer) were studied. 10 ton/ha vermicompost and 60 Kg/ha ammonium phosphate were used. Result showed that total LER base on dry matter was affected by environment and mix cropping interaction and was more than 1 in all mix cropping treatments. In different mix cropping rates, wet forage yield decreased by decreasing chickpea ratio as well as increasing barley ratio. Total LER mean in base on forage dry matter in mixed-, chemical-, and vermicompost fertilizer treatments were 1.12, 1.05 and 1.10 in well watered condition and 1.15, 1.08 and 1.14 in dry land condition, respectively, represented the important of biological fertilizer in mix cropping systems. In addition, chickpea - barley mixed cropping as a sustainable agriculture is recommended, because of mix cropping performance, with vermicompost + %75 chemical fertilizer application under dry land condition.