EFFECT OF SOIL FERTILIZATION AND CALCIUM CHLORIDE APPLICATION ON

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JAFARPOUR M.; GOLPARVAR A.R.

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Journal: JOURNAL OF RESEARCH IN AGRICULTURAL SCIENCE Year:2007 | Volume:3 | Issue:1 Page(s): 15-26

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Information Journal Paper

Title

EFFECT OF SOIL FERTILIZATION AND CALCIUM CHLORIDE APPLICATION ON "RED DELICIOUS" APPLE YIELD AND FRUIT QUALITY

Author(s)

JAFARPOUR M. | GOLPARVAR A.R. | Issue Writer Certificate

Keywords

RED DELICIOUSQ4

DEEP PLACEMENT OF PLANT NUTRIENTSQ3

CALCIUM CHLORIDEQ3

APPLICATIONQ3

STORAGEQ3

FRUIT FIRMNESSQ4

Abstract

This experiment, with a completely randomized factorial block design and 6 replications, was conducted to evaluate the key role that calcium plays in the shelf life and the quality aspects of the "RED DELICIOUS" apples. For purposes of the experiment, a balanced APPLICATION of fertilizer either broadcast or applied in manure pits within the tree shade area along with 4 foliar APPLICATIONs of a 0.5% solution of CALCIUM CHLORIDE during the growing season were tested on apple trees of somewhat uniform characteristics. The results showed the yield improvements with manure pit APPLICATION as compared to the control, but the differences were not statistically significant. The quality aspects of the fruits especially the fruits texture had improved as a result of the foliar APPLICATIONs of CALCIUM CHLORIDE solutions. More specifically, 4 foliar APPLICATIONs of CALCIUM CHLORIDE solution during the growth stage significantly (at 5% level) increased the apples calcium content and at the same time increased the texture hardness from 1.15 kg/cm2 for the control to 1.34. The ratios of N/Ca were almost normal for the fruits. Decreases in texture hardness, titrable acidity, juice content percent, and increases in the pH of the apple juice and in the ratios of total soluble solids to acid content were observed 245 days after STORAGE. Considering the results of this experiment, we can make the following conclusions: The higher efficiency of manure pit APPLICATION of plant nutrients over broadcast APPLICATIONs became clear. At least four APPLICATIONs of calcium solutions on apple fruits are recommended for the growing season in order to increase the fruits texture hardiness, its calcium content and its STORAGE life.

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APA: Copy

JAFARPOUR, M., & GOLPARVAR, A.R.. (2007). EFFECT OF SOIL FERTILIZATION AND CALCIUM CHLORIDE APPLICATION ON "RED DELICIOUS" APPLE YIELD AND FRUIT QUALITY. JOURNAL OF RESEARCH IN AGRICULTURAL SCIENCE, 3(1), 15-26. SID. https://sid.ir/paper/115249/en

Vancouver: Copy

JAFARPOUR M., GOLPARVAR A.R.. EFFECT OF SOIL FERTILIZATION AND CALCIUM CHLORIDE APPLICATION ON "RED DELICIOUS" APPLE YIELD AND FRUIT QUALITY. JOURNAL OF RESEARCH IN AGRICULTURAL SCIENCE[Internet]. 2007;3(1):15-26. Available from: https://sid.ir/paper/115249/en

IEEE: Copy

M. JAFARPOUR, and A.R. GOLPARVAR, “EFFECT OF SOIL FERTILIZATION AND CALCIUM CHLORIDE APPLICATION ON "RED DELICIOUS" APPLE YIELD AND FRUIT QUALITY,” JOURNAL OF RESEARCH IN AGRICULTURAL SCIENCE, vol. 3, no. 1, pp. 15–26, 2007, [Online]. Available: https://sid.ir/paper/115249/en

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