PJB-2018-338
DISPOSING WASTES FROM POULTRY AND CATTLE FARMS FOR RAINFED WHEAT (Triticum aestivum L.) PRODUCTION IN HIMALYAS
Prof. Dr. Muzammil H. Siddiqui
Abstract
To promote sustainable wheat cropping systems having the minimum environmental hazards, source and dose optimization of organic wastes for specific cultivars occupies pivotal position. This field study investigated the response of rainfed wheat cultivars (NARC-2009 and Pakistan-2013) to different fertilization regimes involving two organic materials (poultry litter and farm yard manure) applied solely (12.5 and 20 tons ha-1respectively) and in conjunction with reduced doses of organic manures (70% of solo application on weight basis) and chemical fertilizers (50%% of solo application on weight basis). Yield attributes, grain yield (Gy), biological yield (By) and harvest index (Hi) were recorded as response variables. NARC-2009 under sole application of Cf remained unmatched in term of yield attributes along with Gy (4.32 t ha-1), By (9.85 t ha-1) and Hi (44%). The same cultivar under binary application of 70%poultry litter+50% fertilizers followed it with Gy of 4.08 t ha-1, which in turn was followed by combined application of 70% farm yard manure+50% fertilizers. The minimum Gy (2.94 t ha-1) was recorded by cultivar Pakistan-2013 under control conditions owing to significantly lesser peduncle and spike lengths, grains per spike, number of spikelets and 1000-grains weight. To conclude with, the grain yield potential of wheat cultivars differed significantly, while binary application of poultry litter and reduced doses of chemical fertilizers have the potential to yield comparatively better wheat grain yield under rainfed conditions, though not comparable to solo application of inorganic fertilizers.
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