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Improved Crop Quality by Nutrient Management by Dilek Anec, Dilek Anaç, Pierre Martin-Prével

By Dilek Anec, Dilek Anaç, Pierre Martin-Prével

Emphasis in agricultural creation has shifted from mere volume to caliber items. sensible adventure and medical investigations have proven that, of many of the tradition measures, balanced fertilization particularly exerts a substantial impression on the standard of agricultural items. easily including extra of what the crop has already absorbed to capability is unproductive, dear, wasteful and harmful to the surroundings. for this reason, balanced crop food raises crop caliber, safeguards typical assets and brings profit to the farmer. in a different way speedy inhabitants development and serious urbanization will exhaust our traditional assets.

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Tree'^ (NK treatment). Each treatment consisted of 3 replicates of 4 trees in a randomized complete block design. For each treatment, 6 trees were selected for phenological measurements. On these trees, 8 branches with a i m branch length were marked on the canopy external site. Branch length increment (BLI) was recorded at monthly intervals, from May (time 0) until September 1997. The number of inflorescences at the beginning of the flowering period (October) was also registered. Leaf mineral concentration was determined on three samples per treatment.

1987) • K regulates water balance of the plant through root osmotic gradient, and the functioning of stomata guard cells. • The role of K in photosynthesis involves the activation of specific enzymes, and the control of ATP formation. • Adequate supply of K is a prerequisite for regular transport of sugars from the leaves through the phloem to sugar sinks, to be consumed or stored. • Translocation of nutrients through the xylem is dependent upon K availability. • K is required for every major step of protein synthesis.

27 a Trees fertilized only with nitrogen (N treatment), showed the highest leaf N concentration levels compared to the other treatments. Leaf P and K concentrations were similar for all treatments (Table 1). Apparently, there was an increase in the studied leaf macronutrient concentrations from 1997 to 1998 in all treatments. In 1998, fruit sampling was anticipated, since fruit maturation started earlier. No significant differences were observed among treatments, for fruit macronutrient concentrations.

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