Magnesium (Mg) is too high, which makes latex quality bad and affecting the rising production costs elimination magnesium.
Objective to study Mg in latex of each species. As well as the factors affecting the quantity Mg Latex Rubber Research Center in plots in Songkhla.
Found that during April, May and June with average magnesium content of 94.48 ppm, 161.52 ppm, 140.53 ppm, respectively.
And the tires PBM 24 to magnesium content average highest In May, the magnesium content was at 205.49 ppm. June and magnesium content was at 104.53 ppm.
In April, the value of the average quantities of rubber, high-magnesium is a species of rubber RRIM 600. Is the quantity of magnesium at 113.66 ppm.
And the weather. When high rainfall the quantity of magnesium will rise. In the months that have the highest rainfall is in may so that the maximum quantity of magnesium in the month of may.
Then the soil sampling and latex to analyze some properties of soil and the amount Mg in latex.
The study found that Soil conductivity (electrical conductivity, EC) at 0.02 ds / m pH of the soil was 4.76 and the concentration of nutrients in the soil that magnesium (Mg) and calcium (Ca) in soil with values of 0.03 cmolc. / kg 0.08 cmolc / kg and potassium (K), the value of 7.5 mg / kg, which was rated at a very low level.
It was also found that the total solids (total, solid contentTSC) also found the pH of soil with a concentration of magnesium in latex are correlated, which may reflect the pH on availability of magnesium in soil and affect the amount of uptake. Mg of rubber trees.