Nitrogen Use Efficiency in Maize (Zea mays L.) as Affected by Different Organic Amendments

Integrated nutrient management plays significant role in order to bringing sustainability in crop production. So, keeping in view this fact, a field experiment was conducted to check the impact of different fertilizer biochar (BC), poultry manure (PM) and nitrogen (levels) on the performance of spring maize (Zea mays L.) Experiment was conducted at Post Graduate Agriculture Research Station, University of Agriculture, Faisalabad (Pakistan, during the spring season 2013). Randomized complete block design with three replications, was used to conduct experiment. The treatments were Control to 10 t ha-1 BC + 10 t ha-1 PM + 250 kg ha-1 N. Standard procedures for recording parameters related to yield and quality of maize were followed. Application of biochar increased yield grain information.  Maximum grain yield (4.36 t ha-1), biological yield (14.47 t ha-1),  number of grains per  cob (304.7),  1000 grain weight (283 g) and grain protein contents (11.02%) were recorded in (T13) where 250 kg ha-1 nitrogen + 10 t ha-1 biochar and 10 t ha-1 poultry manure were applied.