تأثير الكبريت الرغوي و معاملات السماد المركب (NPK)‎ في بعض الصفات الكمية و النوعية لحاصل الكمثرى صنف ليكونت (Le-Conte)‎

الملخص EN

An experiment was conducted at private orchard in AL-Musaiab region / Provence of Babylon during the growing seasons of 2011 and 2012 to investigate the effect of sulfur at two levels (0 , 500) g/tree and NPK 0, 0.5 and 1 % as foliar spray and 1000g / tree in soil on some quantitative and qualitative properties of yield of Pears Cv.

Le-conte using R.C.B.D design with three replicates.

Results showed a significant effect of agricultural sulfur , NPK treatments and their interactions.

The interaction of 500 g agricultural sulfur x 1000 g of NPK gave the highest average of fruits number (420.33 , 442.67) fruit, fruit weight (150.11 , 156.84) g, yield (63.10 , 69.43) kg/tree for two seasons respectively, while control treatment recorded the lowest average of these characteristics.

Also there were a significant increase of percentage of (TSS) and reduction in Total Acidity in fruits.