INTER CROPPING AND SEQUENTIAL CROPPING IN POTATO

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INTER CROPPING AND SEQUENTIAL CROPPING IN POTATO
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Cropping system
Short duration and wide flexibility in planting
and harvesting time in potato help in adjusting
for various intensive cropping systems prevalent
in the country.
There are some varieties that can give sizable
yield in just 65 -70 days under assured
irrigation and congenial night temperatures and
these fit well in diversified cropping systems.
Wheat, rice, maize, sugarcane, jute, pulses and
vegetables are some of the major crops in the
potato growing regions. Potato based cropping
systems involving these crops have been developed
and evaluated. The important crop sequences
involving potato are shown in Fig 1.
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Remunerative potato based cropping
systems Biharsharif (Bihar) Raising early
potatoes as well as seed potatoes, multiple
cropping has been practiced since olden
times. Sequential cropping system Maize
(Kharif)-early potato (Autumn)-late
potato(Winter)-minor millet (summerMaize-potato-on
ion, maize-potato-tomato were more profitable
than the 2 crop maize-wheat rotation. Sesbania
(green manure)-potato (early or seed crop)-wheat
(preferably transplanted - Most profitable,
because of the inclusion of the green-manure crop
in the sequence.
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• Wheat can be grown in sequence or as intercrop
  with potato.
• Intercropping of wheat in between potato rows
  (wheat is sown in furrows after earthing up to
  potato) is advisable.
• Potato can fit in two-rice crops or rice - jute
  system in north-eastern plains.
• With sugarcane, potato can fit in sequence with
  spring sugarcane or as intercrop with autumn or
  ratoon sugarcane.
• Intercropping involving crops like potato, onion,
  garlic, fennel, French been etc. is also common.
• An intensive crop rotation maize (kharif crop) -
  potato (autumn crop) - wheat (spring crop) kharif
  maize - autumn potato - wheat (spring crop) green
  gram (summer crop).
• In this sequential system, kharif-maize-autumn
  potato could be sown/planted at the optimum time.

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• Green gram sown after wheat harvest often failed
  to form or mature pods at Ludhiana.
• Maize and sorghum depressed the yield of the
  succeeding potato crop, whereas pearl millet did
  not depress it.
• Performance of wheat after potato harvest could
  be improved by sowing in the standing potato crop
  
• Green gram as intercrop in wheat increase the
  total productivity.
• In Uttar Pradesh, sugarcane inter planted between
  potato rows in autumn resulted a little reduction
  in potato yield
• Potato inter cropped between sugarcane gave extra
  yield of tubers without affecting then yield of
  sugarcane

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• At Lucknow, Kufri Sindhuri gave higher tuber
  yield than Kufri Chandramukhi in intercropping
  system.
• At Jalandhar, sugarcane (autumn) - potato (inter
  crop) - onion is remunerative with additional
  yields of potato and onion
• In Sikkim, Potato is generally grown in the
  intensive cropping system. It is rotated mostly
  in one year rotation.
• At higher elevation i.e. above 2500m MSL potato
  is generally mono cropped.

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• Other common cropping patterns
• Potato-Maize-Millet
• Potato-Maize-Paddy
• Potato-Maize-Pulses
• Potato-Paddy
• Potato-Pulses

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