Response of Chickpea (Cicer Arietinum L.) to Phosphorus and Zinc Levels and Their Application Methods
Response of Chickpea (Cicer Arietinum L.) to Phosphorus and Zinc Levels and Their Application Methods
Saeed Ullah1, Amanullah Jan1, Murad Ali2*, Wiqar Ahmad3, Hafeez Ur Rehman2, Muhammad Ishaq2 and Bilal Ahmad2
ABSTRACT
The time, quantity and method of nutrients application are crucial factors for enhanced crop yield and economic return. This study investigated the effect of phosphorous (0, 35, 70 and 105 kg P2O5 ha-1) and zinc (0, 10, 20 and 30 kg ha-1) levels applied through broadcast and banding on chickpea growth and yield during winter 2013-14 at the New Developmental Farm, The University of Agriculture, Peshawar. The experiment was carried out by following randomized complete block design procedure replicated four times. Pods number plant-1 (PN), grain yield (GY) biological yield (BY), and harvest index (HI) were significantly increased by 9, 4, 23 and 8%, respectively over the control with fertilizer banding compared with broadcast. Plots receiving 10 kg Zn ha-1 registered a significant increase of 8, 9, 4, 27 and 9%, in plant height (PH), PN, GY, BY and HI, respectively over the control, and recorded the lowest number of days to maturity (185) compared to control (188 days). Both 70 and 105 kg P2O5 ha-1 registered PH with 8% increase, PN with 8 and 7.4% increase, respectively, GY with 4% increase, BY with 25% increase and HI with 9.2 and 9.5% increase over the control. Number of days to achieve crop maturity also remained the same (185 days) for the P2O5 levels and remained statistically similar with each other (185 days) compared to the control (188 days). Interaction of 70 kg P2O5 with 10 kg Zn ha-1 produced maximum HI (35%). This study suggested that 70 kg P2O5 ha-1 and 10 kg Zn ha-1 should be applied in bands for enhanced yield and related growth traits of the chickpea crop. Interaction among nutrients and application methods showed that application of nutrients with band placement method gave excellent results even at lower doses emphasizing proper application method as more important than mare increasing nutrient levels for obtaining higher returns
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