- Magnesium plays an important role in the food production process of plants and it is the major element behind greenness of the leaves. Magnesium (Mg) also plays an important role in many enzyme activities in plants and development of plant tissues.
- The average amount of magnesium in the soil is 0.5 – 40 g / kg, but at present, the amount of magnesium in most soils is found to be 0.3 – 25 g / kg.
- The first signs of magnesium deficiency appear on the old leaves below, the veins of the leaves get dark colored and the middle part of the veins becomes yellowish red.
- Deficiency of nitrogen in the soil increases magnesium deficiency.
- While preparing the field, mix 10 kg/acre of magnesium sulfate (9.5%) in the soil thoroughly with basal dose .
- To cure magnesium deficiency, make a solution of magnesium sulfate at the rate of 250 g / acre and spray it on the leaves twice weekly.
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