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TRANSPLANTING The plantlets from the shade house at 4-5 leaf stage are transplanted in the field with inter-row spacing of 90 cm and intra-row spacing of 60 cm from plant to plant. It has been observed that these spacing can be increased to 120 cm and 90 cm respectively. While transplanting, the polybag cover should be removed with a blade, earth ball fitted in the mini pit dug at the base of the furrow and then fully covered with soil. Irrigation should be applied immediately after transplanting. Recommended dose of N, P, K and micro nutrients should also be applied before transplanting in the furrows. These young transplanted plantlets are more susceptible to shoot borer which should be controlled with soil application of Chloropyriphos at planting time.
HARDENING CHAMBER POLYTHENE BAG TECHNOLOGY In this technique, fertile soil is filled in One Kg. Polythene bags, small holes made in the bottom portion of polythene bag for aeration, single bud cuttings made from top one third portion of seed cane stalk, planted horizontally with bud position upward in top one fourth soil portion and covered with thin soil layer followed by applying water with a watering can. Alternatively, polythene bags are placed in a ploughed up field plot and irrigation water applied through surface irrigation. In this technique, the germination is almost 95% while in direct vegetative seed cane planting in the field, the germination hardly 40-50%. These pre germinated shoots in polybags are ready for transplanting in the field 30 days after planting by which time they attain 4-5 leaf stage.
POLYTHENE BAG TECHNIQUE The poly cover is removed with a blade at the time of transplanting and the plantlets along with the earthball placed in a mini pit made in the furrow and filled with soil and irrigation water applied. With this technique, only 20 quintals seed is sufficient to transplant one hectare area while in normal direct sett planting about 75 quintals seed is required. There is, therefore, significant saving of seed cane with this technique. This technique has particularly been found very useful for quick multiplication of seed of new promising varieties, replanting of ratoons and filling of gaps. It is also useful for late planting of sugarcane after wheat harvesting in April-May.
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