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Irrigation by crop

Irrigation for bengal gram

A rabi crop sown into stored soil moisture in October and November. One or two light irrigations lift the yield; a heavy one can ruin it.

Suits it best

Rain pipe

Usual row spacing

0.3 m

Water need

3.5–5 mm/day

Water need is the crop’s daily use at full cover over Dec–Jan, at weather stations across Telangana and Andhra Pradesh — the spread is the season and the place.

Why rain pipe

Sown at 30 cm and short, like groundnut. Chickpea wants a light watering at flowering and pod fill, never a flood — rain pipe wets the strip without waterlogging it.

Rain pipe lines 5 m apart, each wetting a strip 5–6 m wide.

What actually changes the answer

  • Sown at 30 × 10 cm, as close as groundnut, so rain pipe wets the strip the same way.
  • Chickpea hates wet feet. Water lightly and never let it stand — too much brings root rot and leafy growth at the expense of pods.
  • Flowering and pod fill are the two stages worth an irrigation in a dry winter.

How much pipe would bengal gram need?

Put in your acres and the estimator works it out against this crop’s layout, then prices the parts from our own catalogue at today’s prices.

Estimate my system

What you’d be buying

Rain Pipe IrrigationLay Flat Tubes

Spacings and layouts on this page are published package-of-practice and state-scheme figures; water need is FAO-56’s crop-coefficient method on published Telangana and Andhra Pradesh weather records. Neither is a design for your field — soil, slope, water source and pump all move them. Send us your crop, acres and pump details and we’ll confirm the sizing before you commit.

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Where these numbers come from

  • PJTSAU (opens in a new tab)

    Telangana’s state agricultural university — the package of practices crop spacings in the state follow.

  • TNAU Agritech Portal (opens in a new tab)

    Crop-wise spacing, water requirement and drip layout references for southern India.

  • ICAR (opens in a new tab)

    Indian Council of Agricultural Research — crop agronomy and regional package-of-practices.

  • Telangana Micro Irrigation Project (opens in a new tab)

    The state scheme’s guidelines: which crops go on inline drip, online drip or sprinklers, and the spacings it funds.

  • FAO Irrigation and Drainage Paper 56 (opens in a new tab)

    The reference method for crop evapotranspiration and crop coefficients that daily water figures derive from.