Rainfed rice - IRRI books - International Rice Research Institute

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Cover cropping Leguminous crops are grown to cover the soil surface to prevent moisture loss and to minimise soil erosion. Cover cropping also gives rainwater more time to infiltrate the soil, surface. The roots and residues of the crops improve the soil structure and make it more porous and more capable of absorbing rainwater. Inter-planting/cropping This is growing two or more crops simultaneously in the same field where at least one crop is planted in rows, e.g., mongo sown in between rows of maize. This helps in soil and water conservation and use. Mixed cropping This is growing two or more crops simultaneously intermingled in the same plot with no distinct row arrangement. The advantages of mixed cropping are better and continuous land cover, rainwater conservation, protection against soil erosion and the assurance of one or more crops to the farmer. Addition of organic and green manures Organic and green manures help improve the soil’s physical condition and improve the infiltration rate and soil structure. Tillage practices Tillage is the primary tool for soil and water conservation. Tillage has several effects on soil, such as aggregation, surface sealing, sub-soiling, infiltration, etc. Mulch tillage This is performed by making the soil surface cloddy or mulched with the help of crop residues. Mulch tillage is an effective measure to conserve rainwater. Indigenous Rainwater Management Inter-planting/cropping To achieve the best results for soil and water conservation by tillage: till no more than required; till only when moisture is within the favourable limit; and vary the depth of ploughing. Mulching Conserves soil moisture Increases infiltration capacity Reduces runoff Checks weed growth Improves soil temperature Modifies the micro-environment of soil Protects soil and emerging crops from cold 209
RAINFED RICE A SOURCEBOOK OF BEST PRACTICES AND STRATEGIES IN EASTERN INDIA 210 Advantages of summer ploughing Weed and insect pest control Decomposition of crop residues and weeds Soil erosion control Soil solarisation Groundwater recharge Summer ploughing Summer deep ploughing (20 to 30 cm) is done using a bullock-drawn mouldboard plough or tractor- drawn mouldboard/disc plough after crop harvesting to help absorb rainwater. Dead furrowing/shallow trenching Dead furrows/shallow trenches are formed on contour lines to absorb rainwater at about 5 to 10 m apart.
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The International Rice Research Ins
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RAINFED RICE A SOURCEBOOK OF BEST P
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vi Foreword About 45% of the world
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RAINFED RICE A SOURCE BOOK OF BEST
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Utilisation and Management of Natur
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Rice Biodiversity and Genetic Wealt
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32 RAINFED RICE A SOURCEBOOK OF BES
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Socio-Economic Constraints in Rice
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Developing Sustainable Technologies
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Agro-Ecosystem Analysis for Rainfed
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Agro-Ecosystem Analysis for Rainfed
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Agro-ecosystem analysis Agro-ecosys
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GIS in extrapolation of location-sp
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Rice-growing sub-ecosystems in Sult
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Influence of Agro-Ecosystem Compone
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Principles for Improving and Stabil
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Water management Adopt efficient wa
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Major Cropping Systems and Their Ma
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Major Cropping Systems and Their Ma
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etter in the broadcast and row-seed
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Comparative Analysis of Different C
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Comparative Analysis of Different C
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Flood-prone areas Flood-prone areas
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Boro Rice Cultivation B oro rice cu
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Integration of Boro with DWR When t
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Management of Rice in Flood-Prone A
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Transplant 35-45-day-old seedlings
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Delayed transplanting Seedbed prepa
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Preparing a site Field dikes 1. Pre
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5. Put the feed in hanging trays in
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Crop Establishment Practices in Rai
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11. For medium-duration varieties,
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Crop Establishment Practices in Rai
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Comparative Analysis of Direct Sowi
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Machine transplanting Manual and se
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Direct sowing vs transplanting: a c
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The beushening process Beushening S
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Less cash inputs required Besides n
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Tillage Practices and Implements fo
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Tillage implements Function Bullock
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Improving the Yields of Traditional
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Threats to the erosion of tradition
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Farmers’ Participatory Plant Bree
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Farmers' Participatory Plant Breedi
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Farmers’ Participatory Plant Bree
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Identification of Donors for Rice B
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Rainfed lowlands Varietal needs for
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Identification of Donors for Rice B
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Varietal Development: Evaluation an
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Trends in varietal improvement In t
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Some small increases can also be ac
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Rainfed Rice Seed Production System
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Page 169 and 170: Influence of High-Quality Seeds on
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Page 179 and 180: Dealing with Decline in Soil Fertil
Page 189 and 190: Integrated Nutrient Management What
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Page 197 and 198: Comparative Analysis of Different N
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Page 217: Indigenous Rainwater Management R a
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Page 227 and 228: Water Saving, Recycling and Sequent
Page 232: Weed Management
Page 245 and 246: Cost Effectiveness of Weed Manageme
Page 252 and 253: Pest Control Alternatives for the R
Page 254 and 255: Diseases affecting grains Blast Bro
Page 256 and 257: Pest control in rainfed upland rice
Page 258 and 259: Pest Control Alternatives for the R
Page 260 and 261: Gall midge Summer ploughing. Timely
Page 262 and 263: Disease Management Strategies I n n
Page 264 and 265: Sheath blight (caused by Rhizoctoni
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To know the intensity of the rat po
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Rat Population Dynamics and Managem
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Insecticide Use, Precautions and In
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Insecticide Use, Precautions and in
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First-aid precautions Insecticide U
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hepatic carcinoma; acute liver dama
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Effects of Pesticides on Humans and
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Mechanical practices on IPM Hand-pi
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Participatory Farming Systems Techn
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Annexes
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286 RAINFED RICE A SOURCEBOOK OF BE
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290 Production staff Editors Nilam
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Rainfed rice - IRRI books - International Rice Research Institute

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