Khalifa,, M., Rabie, A., Hassan, N. (2000). EFFECT OF FARMYARD MANURE AND TOWN REFUSE APPLICATION ON SOME SOIL PROPERTIES AND GROWTH, YIELD AND FRUIT ELEMENTAL COMPOSITION OF PEPPER. Journal of Soil Sciences and Agricultural Engineering, 25(8), 5539-5556. doi: 10.21608/jssae.2000.259682
M. R. Khalifa,; A. Rabie; N. A. Hassan. "EFFECT OF FARMYARD MANURE AND TOWN REFUSE APPLICATION ON SOME SOIL PROPERTIES AND GROWTH, YIELD AND FRUIT ELEMENTAL COMPOSITION OF PEPPER". Journal of Soil Sciences and Agricultural Engineering, 25, 8, 2000, 5539-5556. doi: 10.21608/jssae.2000.259682
Khalifa,, M., Rabie, A., Hassan, N. (2000). 'EFFECT OF FARMYARD MANURE AND TOWN REFUSE APPLICATION ON SOME SOIL PROPERTIES AND GROWTH, YIELD AND FRUIT ELEMENTAL COMPOSITION OF PEPPER', Journal of Soil Sciences and Agricultural Engineering, 25(8), pp. 5539-5556. doi: 10.21608/jssae.2000.259682
Khalifa,, M., Rabie, A., Hassan, N. EFFECT OF FARMYARD MANURE AND TOWN REFUSE APPLICATION ON SOME SOIL PROPERTIES AND GROWTH, YIELD AND FRUIT ELEMENTAL COMPOSITION OF PEPPER. Journal of Soil Sciences and Agricultural Engineering, 2000; 25(8): 5539-5556. doi: 10.21608/jssae.2000.259682
EFFECT OF FARMYARD MANURE AND TOWN REFUSE APPLICATION ON SOME SOIL PROPERTIES AND GROWTH, YIELD AND FRUIT ELEMENTAL COMPOSITION OF PEPPER
Pot experiments were conducted during the early summer seasons of 1998 and 1999. Farmyard manure (FYM) and town refuse (TR) were applied to the soil in order to study their effects on improving some soil properties and also on growth, yield and elemental composition of bell pepper (Capsicum annum L.) plants. The treatments included the recommended NPK as control in addition to FYM or TR at the rates of 120, 240, or 360 g/pot which contained 12 kg of soil (ca. 10, 20 or 30 tons/fed., respectively, with or without the recommended NPK, and a 1:1 mixture of both amendments at the same rates with added NPK.
Soil pH slightly decreased and organic matter (OM) significantly increased with increasing the rate of the different applications of both amendments compared to the control, while soil electrical conductivity (EC) increased, only, at the medium and high rates of different applications. Sodium adsorption ratio (SAR) decreased with increasing the application rate of FYM (whether with or without NPK), but the opposite occurred, generally, with the remaining treatments. FYM at medium and high rate, and the mixture of both amendments at the medium rate with added NPK improved the aggregation parameters of the soil in most cases where mean weight diameter (MWD), water stable aggregates (WSA), optimum size of aggregates and structure coefficient (SC) increased compared to the control.
The different applications of both amendments significantly increased the total N and available P, K, Fe, Zn and Cu compared to the control. However, no significant trend was observed between the increase in the amendment application rate and the soil elements content values. Soil Cd content was not significantly affected by the different applications in both years.
The different applications of both amendments significantly increased stem length, number of leaves and leaf fresh and dry weights, compared to the control. However, no constant trend was observed between the increase in application rate and the values of these parameters. The largest vegetative growth was obtained with TR at the medium rate with added NPK or the mixture of both amendments at the medium rate with added NPK with slight differences between the two treatments in most measured parameters. Fruit yield per plant and average fruit weight increased with the different applications of both amendments. The yield response was similar to those of growth parameters. TSS % and vitamin C content in fruits were not significantly affected in both seasons.
Fruit content of N, P and K increased with most applications of organic amendments compared to the control. The highest contents of these elements were obtained with FYM at the high rate (without NPK). Concerning the concentration of micro elements in fruits, no constant response was observed. The lowest values were obtained with the mixture of both amendments at the medium rate with added NPK.
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