Rainfed rice - IRRI books - International Rice Research Institute
Rainfed rice - IRRI books - International Rice Research Institute
Rainfed rice - IRRI books - International Rice Research Institute
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RAINFED RICE A SOURCEBOOK OF BEST PRACTICES AND STRATEGIES IN EASTERN INDIA<br />
In weed-infested fields and heavy soils, puddling followed by planking is<br />
repeated after two to three days and then wet seeding/transplanting is<br />
done. Puddling using a power tiller/tractor rotavator may be done<br />
effectively with just two rotopuddlings, followed by levelling.<br />
Tillage systems<br />
In <strong>rice</strong>-based cropping systems, different crops are grown in different<br />
ecosystems as per their suitability. For better production, the following tillage<br />
systems, apart from the conventional system, can be used.<br />
Tillage system Suitability<br />
Minimum tillage system<br />
This system helps reduce time, labour and<br />
machine operations. One or two tillage<br />
operations for field preparation can be done.<br />
Till-plant system<br />
Field preparation and seeding are done<br />
simultaneously.<br />
Ridge and furrow tillage system<br />
Making ridges and furrows across the slope,<br />
preferably along the contour, and seeding on<br />
ridges using ridge or lister planter.<br />
Rotary strip tillage system<br />
A narrow strip of land along the row is tilled and<br />
the areas between the rows are left undisturbed.<br />
Strip tilling, seeding and application of nutrients<br />
are done simultaneously in a single operation.<br />
(PAU Ludhiana strip drill.)<br />
Zero tillage system<br />
Crop is directly seeded after harvesting of <strong>rice</strong><br />
using tractor-drawn zero till seed cum ferti drill<br />
(Pantnagar zero till seed cum ferti drill.)<br />
Zero tillage system,<br />
chickpea after <strong>rice</strong><br />
116<br />
In light and medium soils having lesser weed<br />
infestation for timely seeding/planting of next<br />
crop.<br />
For timely seeding of wheat or other crops just<br />
after harvesting in light and medium soils having<br />
adequate moisture for early emergence of plants.<br />
In low-rainfall areas/season to conserve moisture<br />
and grow better crop.<br />
In light and medium soils having adequate<br />
moisture for timely seeding of next crop.<br />
For timely seeding of chickpea (gram), wheat and<br />
lentil crops after <strong>rice</strong> harvesting, especially in<br />
moist soils requiring more time to become<br />
suitable for tillage operations.
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