Effect of nitrogen, phosphorus, potassium fertilizers and manure on growth and productivity of the peach cultivars Springtime and Redhaven

I. T. Chatzitheodorou, T. E. Sotiropoulos, G. I. Mouhtaridou and D. Almaliotis
Additional contact information
I. T. Chatzitheodorou: N.AG.RE.F., Pomology Institute, Naoussa, Greece
T. E. Sotiropoulos: N.AG.RE.F., Pomology Institute, Naoussa, Greece
G. I. Mouhtaridou: N.AG.RE.F., Pomology Institute, Naoussa, Greece
D. Almaliotis: N.AG.RE.F., Pomology Institute, Naoussa, Greece

Horticultural Science, 2004, vol. 31, issue 3, 88-92

Abstract: The response of the peach cvs. Springtime and Redhaven to nitrogen, phosphorus, potassium fertilizers and manure is reported. The research was conducted during a period of 10 years. The following fertilizer combinations were used: control (no fertilization), N, P, K, NP, NK, PK, NPK, manure, N + manure, P + manure, K + manure, NP + manure, NK + manure, PK + manure, NPK + manure. The following measurements were performed: a) productivity (kg/tree); b) mean fruit weight (g); c) fruit number per tree; d) fruit setting (%); e) trunk circumference (cm), and f) shoot weight (kg) removed by pruning. It is concluded from the results that the two cvs. did not always respond to the various treatments in the same way. Application of N plus manure to peach trees of the cv. Springtime resulted in the highest productivity. The higher productivity of the cv. Redhaven was recorded in the treatments N and NPK. The lowest productivity, fruit number, total trunk circumference and shoot weight removed by pruning of both cvs. were recorded in the control and PK treatments in comparison with all the others. Fruit setting of the cv. Springtime was highest in the NP + manure treatment, followed by the PK + manure one. Fruit setting of the cv. Redhaven was higher in the PK + manure, NK + manure and K + manure treatments. Shoot weight that was removed by pruning was highest in the NK + manure treatment for the cv. Springtime, whereas for the cv. Redhaven it was highest in the N + manure treatment in comparison with the remaining ones.

Keywords: mineral fertilizers; manure; fruit set; fruit weight; Prunus persica; trunk circumference; yield; cultivars (search for similar items in EconPapers)
Date: 2004
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DOI: 10.17221/3798-HORTSCI

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