WHEAT BIOMASS AND HARVEST INDEX INCREASES WITH INTEGRATED USE OF PHOSPHORUS, ZINC AND BENEFICIAL MICROBES UNDER SEMIARID CLIMATES

Under semiarid climate, the higher soil pH and alkalinity reduce phosphorus (P) availability and thus crop productivity. The higher prices of P-fertilizers restrict small holders to apply the required P level to their field crops. Proper P management under semiarid climates is very essantail for inc...

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Bibliographic Details
Published in:Journal of microbiology, biotechnology and food sciences biotechnology and food sciences, 2019-10, Vol.9 (2), p.242-247
Main Author: Khan, Amanullah Nangial
Format: Article
Language:English
Subjects:
Agricultural management
Agricultural research
Agronomy
Alkaline soils
Alkalinity
Biomass
Climate
Crop production
Crops
Experiments
Fertilizers
Harvest
Levels
Microorganisms
Phosphorus
Plant growth
Planting
Productivity
Semiarid climates
Soil chemistry
Soil pH
Soils
Wheat
Zinc
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Summary:Under semiarid climate, the higher soil pH and alkalinity reduce phosphorus (P) availability and thus crop productivity. The higher prices of P-fertilizers restrict small holders to apply the required P level to their field crops. Proper P management under semiarid climates is very essantail for increaase crop productivity of smallholders. An expriemnt was work out in 2013-15 to study the impact of P management on wheat total biomass and harvest index. The expriment was worked out at the University of Agriculture, Agronomy research farm. In experiment one, treatments were: four P levels (100, 80, 60 and 40 kg P ha-1), three levels of zinc (15, 10 and 5 kg Zn ha-1) and three timings of beneficial microbes (BM) timings of application (at sowing, 20 DAE and 40 DAE). It was concluded from the experiment one, that application of 80 kg P ha-1 + 15 kg Zn ha-1 along with BM at 20 DAE produced higher wheat biomass and harvest index. In experiment two, treatments were: four P-fertilizers sources (TSP, DAP, SSP, NP), four P levels (120, 90, 60, 0 kg P ha-1) and three varieties of wheat (Shahkar-2013, Pirsabak-2013, and Atta-Habib-2010). The results indicated that maximum biomass yield and harvest index was calculted with SSP application. Maximum biomass and harvest index was produced with 120 kg P ha-1 application to the soil. Among wheat varieties Pirsabak-2013 perform better than others by producing higher harvest index and biomass.
ISSN:1338-5178
1338-5178
DOI:10.15414/jmbfs.2019.9.2.242-247