How to improve yield in watermelon with the help of irrigation

  • Watermelon responds very much to irrigation but it can not withstand waterlogged conditions.
  • It is generally cultivated as a spring-summer crop in which the frequency of irrigation is very important.
  • The crop should be irrigated at 3-5 days intervals.
  • Soil moisture stress during pre-flowering, flowering, and fruit development stage drastically reduce yield.
  • Irrigation should be stopped during ripening as it adversely affects fruit quality and promotes fruit cracking.

Some important variety of watermelon


S.N. Variety Name Fruit Shape Fruit size




Fruit colour
1. Sager king Oval  3-5  60 – 70 Dark black skin and red flush 
2. Sager king plus Oval  3-5  60 – 70 Dark black skin and red flush 
2. Kajal  Oval 3- 3.5 60 – 70 dark green with pink flesh
4. 2208 Oval 2-4 70 – 80 Dark black skin and red flush

Land Preparation for Watermelon Cultivation

  • Watermelons can grow in many kinds of soil but prefer a light, sandy, fertile loam that drains easily.
  • Add generous amounts of manure, compost and leaves to your field and work the soil well prior to planting.
  • Fields should be prepared thoroughly by plowing and harrowing and removing the different types of plant debris.
  • A gentle, south-facing slope is ideal.
  • It should also be pulverized and leveled; furrows are made 2 m apart.

Suitable sowing Time for Watermelon

  • The time of sowing watermelon is from November to March.
  • After the November to December sowing time, the plant should be protected from frosting. This is the reason most sowing is done from January to March.
  • In the hilly areas, watermelons are sown from March to April.

Management of painted bug on mustard crop

  • Deep plowing so that the eggs of painted bugs are destroyed
  • Early sowing is needed to avoid pest attack
  • Irrigate the crop for four weeks after sowing to reduce pest attack
  • Spray thiamethoxam 25 % WP(evident/Areva) @ 300 gm/acre or
  • Spray Acephate 75%SP (remain) or
  • Spray Bifenthrin ( klintop/marker) @ 300 ml/acre
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Identification of painted bug on mustard

  • A bug is black in color with red and yellow lines
  • Young plants wilt and wither as a result of the attack
  • Both the nymph and adult suck the sap of leaves and tender stems resulting in poor growth and pale yellow color of the leaves. 
  • In a later stage, the insects suck the sap of the pods with the result both quantity and quality of seed are adversely affected.

Treatment of Calcium deficiency in tomato Field

  • Apply FYM before 15 days of transplanting in the main field.
  • At the time of transplanting, use Calcium Nitrate @ 10 KG/ acre.
  • Twice spray of calcium EDTA @ 150 Gm/acre at the time of appear deficiency symptoms.

Nutrients management in mustard

  • The flowering stage is important in mustard crops.
  • In this stage, it is beneficial to increase the number of flowers and give hormones at the time of growth of pods.
  • For this, spraying of Homobrassinolide 0.04% @ 100 ml / acre with 19:19:19 @ 1 kg per acre.s

Advantage of Phosphorus Solubilizing bacteria in bitter gourd

  • Increase micronutrient availability to plant from the soil like Mn, Mg, Fe, Mo, B, Zn and Cu in addition to P2O5.
  • Encourage faster root growth for water and nutrient uptake.
  • PSB produces organic acids like malic, succinic, fumaric, citric, tartaric acid and acetic acid which fasten the P2O5 uptake, maturity and increase yield.
  • Increase resistance towards diseases and drought tolerance due to rapid cell development in the plants.
  • Reduce 25 – 30% phosphatic fertilizer requirement.

How to get more fruits with every picking in okra

  • To take more picking in Bhindi crop 2 weeks before sowing, mix the FYM in the field equal to 10 tons/acre in the field, thereby increasing the absorbing capacity of the nutrients in the plant.
  • At the time of sowing, mix nitrogen-fixing and phosphorus solubilizing bacteria with fertilizers in the field at the rate of 2 kg/acre.
  • Give the quantity of nitrogen (60-80 kg per acre) at the time of sowing and half quantity remaining 30 days after sowing, thereby increasing the number of fruits per branch per vinegar and it can be increased by 50% production.
  • Approximately 40 to 50 days after the sowing of the okra starts to give fruits.
  • Before the first picking, gives calcium nitrate + boron @ 10 kg/acre, 10 kg magnesium sulphate 10 kg/acre + Urea @ 25 kg/acre with Nitrogen Fixation and Phosphorus Solublizing bacteria @ 1kg/acre.
  • During flowering in okra give Ammonium sulfate at the rate of 55-70 kg/acre, it is important for the development of the fruits.