Скачать или смотреть ਝੋਨੇ ਨੂੰ ਸੂਪਰ 'ਪੋਟਾਸ਼ 'ਜਿੰਕ 'ਸਲ਼ਫਰ 'ਮੈਗਨੀਸ਼ੀਅਮ 'ਕੈਲਸ਼ੀਅਮ ਕਦੋ ਪਾਈਏ • paddy fertilizer management

Potassium enhances the ability of the plants to resist diseases, insect attacks, cold and other adverse conditions.
It plays an essential part in the formation of starch and in the production and translocation of sugars, and is thus of special value to carbohydrate-rich crops.
Involves in working of enzymes.
Helps in production and movement of photosynthates to sink.
Helps in proper uptake of other nutrients.
Influences tillering or branching of plant and size and weight of grain.
Over 80 per cent of the absorbed potassium by the plant is found in straw. Need for potassium is most likely to occur on sandy soils.
Calcium combines with pectin in the plant to form calcium pectate, which is an essential constituent of the cell-wall.
It also promotes the activity of soil bacteria concerned with the fixation of free nitrogen or the formation of nitrates from organic forms of nitrogen.
Furthermore, it is necessary for the development of a good root system.
Magnesium is an essential constituent of chlorophyll.
It is usually needed by plant in relatively small quantities. Hence its deficiency in the soil is experienced later than that of potassium.
Essential for the transformation of carbohydrates.
Regulates consumption of sugars.
The function of zinc in plants is as a metal activator of enzymes.
Deficiency of zinc in lowland rice occurs in near neural to alkaline soils, particularly in calcareous soils.
Availability of both soil and applied zinc is higher in upland soil than in submerged soil.
Soil submergence causes decrease in zinc concentration in the soil solution.
Rice crop removes 30-40 g Zn per tonne of grain.
#paddy #fertilizer #zinc #khad