Kern 700 Yellow Mustard

Kern 700 is a yellow mustard for the Rabi season. It matures in about 90–100 days and fits well after the paddy harvest.

Sowing window

• Sowing: after the paddy harvest, in the Rabi season
• Ideal dates: ICAR-DRMR puts the ideal window for yellow sarson in the first fortnight of October, so sow as soon as the paddy field vacates and is prepared — within October wherever possible. A November sowing counts as late: keep rows at 30 cm and do not cut phosphorus or sulphur
• Weather: suited to cold winters
• Soil: well-drained loams; the crop will not stand waterlogging, so level the paddy field well and let it come to proper moisture (vattar) before sowing

How to sow

• Seed: non-GMO
• Seed rate: about 1.5 kg per acre (PAU: 1.5 kg per acre for rapeseed-mustard sown as a sole crop). Mix the small seed with dry soil or sand so the drill spreads it evenly
• Spacing: 30 cm between rows (ICAR-DRMR for yellow sarson), seed 4–5 cm deep; thin to one plant every 10–15 cm about 3 weeks after sowing
• Seed treatment: carbendazim 2 g per kg of seed against stem rot (HAU); where white rust is a known problem, ICAR-DRMR recommends metalaxyl at 6 g per kg of seed instead
• Pack size: 1 kg

Manure and fertiliser (per acre)

• Base dose: about 24–32 kg N, 12–16 kg P₂O₅ and 16 kg sulphur per acre on a medium soil; potash (6–16 kg K₂O) only where the soil test is low (PAU / ICAR-DRMR)
• In fertiliser terms: 75–100 kg single superphosphate (phosphorus plus sulphur) + 25–35 kg urea at sowing; another 25–35 kg urea with the first irrigation
• If you use DAP instead of SSP: add 80–100 kg gypsum per acre before sowing for sulphur — yellow sarson responds well to sulphur
• Zinc: 10 kg zinc sulphate (21%) per acre before the last ploughing in zinc-deficient soils
• After paddy on residual moisture only: drill the whole dose at sowing

Water, weeds and pests

• Irrigation: two irrigations are usually enough — the first about 4 weeks after sowing, before flowering, and the second at pod (siliqua) formation (ICAR-DRMR / PAU). Where water is short or brackish, give only the first
• Stem rot caution: avoid irrigating between 25 December and 15 January where the schedule allows — cold, wet soil in this window favours Sclerotinia stem rot
• Weeds: one hoeing with a wheel hand hoe 3–4 weeks after sowing (combine it with thinning); or pendimethalin 38.7 CS at 350 mL per acre in 200 litres of water within two days of sowing (PAU)
• Painted bug: on the germinating crop — timely sowing and the first irrigation keep it down; spray only if the stand is being lost, as per your state advisory
• Aphid (chepa): scout from the first week of January; spray only at threshold — 50–60 aphids per 10 cm of the top shoot — in the afternoon, when bees are less active; PAU recommends thiamethoxam 25 WG at 40 g per acre in 80–125 litres of water
• White rust / Alternaria: destroy old crop debris; for white rust PAU recommends metalaxyl + mancozeb at 250 g per acre in 100 litres of water at 60 and 80 days after sowing, if needed

Harvest

• Maturity: about 90–100 days after sowing
• Plant: grows up to about 5 feet, with pods well filled with seed
• Stage: cut when about 75% of the pods have turned yellow — yellow sarson shatters if left to dry fully in the field. Stack for 7–10 days, then thresh

Please quote product code KERN-700 when ordering.

Crop practices follow state agricultural university recommendations for North India; confirm doses for your district with your Kern dealer or KVK.

Agronomy helpline: 9107062062

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