PJB-2019-128
IMPACT OF ZEOLITE, UREA AND POULTRY MANURE ON GARLIC (Allium sativum) GROWTH AND YIELD IN RAWALAKOT CONDITIONS AZAD JAMMU AND KASHMIR
Sadia Bibi
Abstract
Nitrogen is an important plant nutrient supplemented through synthetic sources, prone to leach down, resulting in economic losses. Sustainable nutrient supply to crop is imperative and remained concern of the scientist. Zeolite has durable nitrogen holding capacity and its release in soil solution on plant required time. A field experiment was conducted to evaluate the effects of zeolite in combination with urea nitrogen (UN) and poultry manure (PM) on growth and yield of garlic (Allium sativum L). Ten treatments including 3 individual fertilizer nitrogen sources, zeolite full (1000 kg/ ha), PM full (N equal to 120 kg/ ha) and UN full (120 kg/ ha) were used individually and in six different combinations in a Randomized Completely Block Design (RCBD) to identify best economically efficient combination. Combinations of nitrogen sources zeolite, PM and UN increased yield in non-significant way. Combinations of UN plus PM @ 60+60 kg/ ha gave maximum yield of 8.7 t/ha; followed by UN + PM @ 60+120 kg/ha with yield of 7.86 t/ha; zeolite plus UN and PM @ 250+60+30 kg/ha yield was 7.675 t/ha; control yielded 6.358 t/ha and zeolite alone 6.5 t/ha respectively. Combinations of PM plus zeolite and PM plus UN, has increased ascorbic acid and antioxidant contents in garlic. Study provides an opportunity for the farming community with efficient nitrogen use by addition of zeolite with UN and PM in soils in temperate hilly area agriculture through reduced nitrogen leach down. Zeolite, PM and UN at the rate of (500kg+30kg+30kg/ha) was proved best doze as most economical and cost effective for garlic crop production.
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