Journal ArticleDOI
Effect of organic and inorganic fertilizer on yield and chlorophyll content of maize ( Zea mays L.) and sorghum Sorghum bicolour (L.) Moench)
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Drought tolerance measured as percentage chlorophyll stability index (CSI%) was highest under control plots in both crops and in both maize and sorghum, the lowest chlorophyLL content occurred in control plot.Abstract:
The effects of amending soil with organic (poultry manure) and inorganic fertilizer on yield and chlorophyll content of maize (Zea mays L.) and sorghum (Sorghum bicolour (L.) Moench) was carried out at the Teaching and Research (T&R) Farm of the Obafemi Awolowo University, (O.A.U.) Ile - Ife, Nigeria. The experiment was a randomised complete block design (RCBD), laid out in a split-plot arrangement in the second cropping season of year 2001 and 2002. There were four sources of fertilizer for soil amendment: inorganic fertilizer (IF), mixture of inorganic fertilizer and poultry manure (IFPM), poultry manure (PM) and control (C) (no fertilizer or manure treatment). Each fertilizer source supplied 54 kg N plus 25 kg P2O5 and 25 kg K2O5/ha. There were significant variability and diversity observed on the two crops due to treatments. Grain yield was highest in sorghum (3.55 kg/ha) and maize (2.89 kg/ha) under IFPM followed by IF treatment for maize (2.33 kg/ha) and PM treatment for sorghum ((3.37 kg/ha). Sorghum and maize had the highest dry matter of 72.3 g/plant and 71.0 g/plant under IFPM at harvest. The effects of PM on the dry matter of sorghum (68.1 g/plant) and maize (61.7 g/plant) were not significantly different (p = 0.05) from that of IF (sorghum 66.1 g/plant, maize 58.7 g/plant). Sorghum also had the highest leaf area (LA) (2752.9 cm2/plant) and total chlorophyll content of 3.28 mg/g under PM while maize on the other hand had the highest LA (1969.5 cm2/plant) and total chlorophyll content of 2.63 mg/g under IFPM. In both maize and sorghum, the lowest chlorophyll content occurred in control plot. Drought tolerance measured as percentage chlorophyll stability index (CSI%) was highest under control plots in both crops.read more
Citations
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Combined Application of Phosphorus Fertilizer with Tithonia Biomass Improves Grain Yield and Agronomic Phosphorus Use Efficiency of Hybrid Maize
TL;DR: In this paper, the effect of applying Tithonia biomass and phosphorus fertilizer on the agronomic efficiency of phosphorus and yield of maize was investigated in a randomized complete block design with three replications.
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Induction of milk thistle (Silybum marianum L. Gaertn) growth and phytochemicals production by natural stimulants
TL;DR: Results indicated that the applied bio-stimulants improved the vegetative traits and seed yield, but without obvious effect on chlorophyll content, though both treatments had resulted in a significant enhancement in PSII photochemical efficiency.
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Impact of phosphorus and potassium fertilizers on growth and anthraquinone content in Rheum tanguticum Maxim. ex Balf
TL;DR: In this paper, the effect of different levels of phosphorus (superphosphate) and potassium (potassium sulfate) fertilizer on the biomass (root fresh weight, root increment, and root dry weight), yield, dry matter content, and anthraquinone content of Rheum tanguticum under alpine conditions was explored.
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Journal ArticleDOI
The Classification of Some Nigerian Soils
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