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Maize response to chemical and microbial products on two Tanzanian soils

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Title Maize response to chemical and microbial products on two Tanzanian soils
 
Creator Kiriba, D.
Thuita, Moses N.
Semu, E.
Ikerra, S.
Msanya, B.
Masso, C.
 
Subject phosphate
solubilization
nitrogen fixation
liquid fertilizer
quality control
testing
inorganic
soil fertility
 
Description Open Access Journal
Low soil fertility has been a major factor to low maize yields in smallholder farms in sub-Saharan Africa. Technologies have been proposed including inorganic, fertilizers and plant growth promoting microorganisms. A study was conducted under greenhouse and field conditions to evaluate the effects of liquid inorganic fertilizer and microbiological products on growth, nutrient uptake and yield of maize. Products evaluated were Teprosyn (nitrogen, zinc phosphorus), BioSoil Crop Booster (BSCB) (Pseudomonas fluorescens), and Bio Soil Nitro plus (BSN+) (Acetobacter sp.). Treatments were: products alone (low and high rate), product + half rate phosphorus (10 kg P ha-1), half rate P, full rate P (20 kg P ha-1) and Control. All products were analysed for quality. None of the products met the label claims in nutrient/organism concentration. An increase of biomass was observed in the greenhouse for half rate P + BSCB low rate and high rates for BSCB and BSN+ compared to Control. Half rate P + BSN+ low rate gave the highest grain yield which was similar full rate nitrogen and P. BSCB and BSN+ at low rates with P half rate resulted in an increase in biomass yield in the greenhouse. Efficacy of low rate BSN+ + half rate P was demonstrated when applied at the recommended rates and combined with half rates of N and P. A package of inorganic and Bio-fertilizers should be developed based on soil fertility status, and the quality of the inputs verified to ensure that they are conform to the label guarantee analysis.
 
Date 2019-01-15
2019-01-22T16:11:30Z
2019-01-22T16:11:30Z
 
Type Journal Article
 
Identifier Kiriba, D., Thuita, M., Semu, E., Ikerra, S., Msanya, B. & Masso, C. (2019). Maize response to chemical and microbial products on two Tanzanian soils. Journal of Agricultural Science, 11(2), 71-81.
1916-9752
https://hdl.handle.net/10568/99152
https://doi.org/10.5539/jas.v11n2p71
NATURAL RESOURCE MANAGEMENT
 
Language en
 
Rights CC-BY-4.0
Open Access
 
Format 71-81
application/pdf
 
Source Journal of Agricultural Science