questions: asking about cultivation practices of watermelon 
 answers: varieties: sugar baby and arka manik,pkm 1
hybrids: arka jyoti and pusa bedana.
seed treatment:treat with trichoderma viiridi 4 g or pseudomonas fluorescens 10 g or carbendizim 2g/kg of seeds
preparation of field: plough the field to a fine tilth and form long channel 2.5 m apart.
nursery preparation: nursery for watermelon can be prepared either with polythene bags of 200 gauge, 10 cm diameter and 15 cm height size or through protrays under protected nursery. in polybag nursery, fill the bags with 1:1:1 ratio of red soil, sand and farmyard manure mixture.  transplant about 12 days old seedlings in the main field.
fertilizer dose: urea- 150g, ssp-300g and mop- 100g/plant