Download or read book Weed Management in Direct Seeded Rice Under Cambodian Conditions written by Pao Srean and published by Eliva Press. This book was released on 2023-06-09 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In Cambodia, the increasing scarcity of rural labour is pushing farmers to find ways to manage large rice fields with meagre resources and continuously emerging crop management constraints, especially for weed control. Out-migration of rural labour has resulted in a shift from manual transplanting to direct-seeded rice (DSR) and this has changed the spectrum of weed species and made weed management more difficult in rice. This publication describes important weeds of rice in Cambodia, weed seed contamination in rice seed for sowing, weedy rice contamination in paddy and options for Integrated Weed Management (IWM). The elements of IWM include: cultural practices; stale seedbed; crop establishment methods; crop rotation; water management and chemical weed control. Modernisation of weed management in Cambodia, is constrained by a lack of uptake of existing published research and failure to incorporate results of new research into extension media. Multiple conflicting messages emanating from Donors and Non-Governmental Organisations (NGOs) also confuse farmers and delay adoption of good agricultural practices (GAP). Furthermore, in the absence of a functioning public extension service, Cambodian farmers are locked into pesticide-reliant practices and limited use of alternatives. Pesticide manufacturers, distributors and local sellers reinforce pesticide-based recommendations as the dominant technology. In Cambodia, weed research priorities include development of: management practices to reduce weed seed banks in direct-seeded rice fields; integrated weed management strategies to delay or avoid development of herbicide resistance in major weed species in direct-seeded rice; options for the integrated management of weedy rice (Oryza sativa f. spontanea) in direct-seeded rice; and comparison of Unmanned Aerial Vehicles (UAVs) with ground application for efficacy and safety of herbicide application in rice.
Download or read book Weed Management in Direct Seeded Rice Under Semi dry System written by A. Sitarama Rao and published by . This book was released on 1993 with total page 127 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Critical Period for Weed Control in Saturated and Flooded Field and Chemical Weed Control in Direct Seeded Rice Under Saturated Condition written by Mohamad Najib Mohd. Yusof and published by . This book was released on 2009 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Direct Seeding of Rice and Weed Management in the Irrigated Rice wheat Cropping System of the Indo Gangetic Plains written by Y. Singh and published by Int. Rice Res. Inst.. This book was released on 2008 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Crop and Weed written by Sharif Ahmed and published by Independently Published. This book was released on 2020-06-06 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dry-direct seeded rice (DSR) is an emerging resource-conserving and climate-smart production technologies in the changing climatic condition and the areas where the key resources such as water and labor are the major limiting factors to rice cultivation. The success of DSR largely depends on its proper early establishment and judicious weed management. A uniform stand of adequate rice plants is critical to achieving high yields, therefore seed rate and sowing date are very important for DSR. Due to different methods of land preparation between DSR and transplanted rice, the soil conditions are different in these systems, therefore, nitrogen fertilizer management is very important to DSR. Chemical weed management is a must in DSR to reduce weed management cost, however, considering the negative effect of herbicide on the environment and developing of herbicide resistance biotypes, weed management needs an integrated approach. Inside this book, you'll find the effect of sowing time and seeding rate for the establishment of DSR and the best fertilizer and weed management approaches for its sustainable production.
Download or read book Effect of Sowing Date and Weed Control Methods on Direct Seeded Rice written by Devendra Mandal and published by LAP Lambert Academic Publishing. This book was released on 2013 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rice (Oryza sativa L.) is the most important crop of south east Asia popularly referred to as the rice bowl of the world. India has the largest area under rice in the world it ranks second in production falling far behind China, which has production of about 200 m tons.The reason for very low productivity in Bihar centres round the fact that rice cultivation in Bihar is mostly rain dependent. Both raising nursery and transplanting seedlings are on the mercy of monsoon, which is extremely erratic in onset, distribution, intensity and cessation. Invariably the seedlings overgrow in the nursery awaiting for rains adequate to perform puddling operations. As a result of use of overgrown seedlings, at times, the crop starts flowering soon after flowering reducing the yield tremendously. Some of the times it becomes even difficult to raise seedlings due to very delayed and erratic monsoon.A very large number of herbicides are there which have been observed to have effective control of weeds in direct seeded rice. However, selecting a particular herbicide or its combination with mechanical weed management require thorough probe.
Download or read book Weed Management in Direct seeded Rice Systems written by Bhagirath Singh Chauhan and published by Int. Rice Res. Inst.. This book was released on 2012 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Weed Control in Direct Seeded Rice Using Selected Herbicides written by Azmi Man and published by . This book was released on 1984 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Problems on Weed Management MADA s View on Direct Seeded Rice Culture and Approach in Weed Control written by Syed Ahmad Almahdali and published by . This book was released on 1988 with total page 253 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Evaluation of New Herbicides for Weed Control in Direct Seeded Rice written by Azmi Man and published by . This book was released on 1992 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Weed Management on Dry Direct Seeded Rice written by Madhav Dhakal and published by . This book was released on 2014-10-03 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Studies on Weed Control in Direct Seeded Rainfed Rice Under Upland Conditions written by and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Rice Direct Seeding and Weed Management in Asia written by Muhammad Zahid Ihsan and published by . This book was released on 2013-08-30 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Integrated Practices for Weed Control in Direct Seeded Rice written by J. P. V. Zarate and published by . This book was released on 1978 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of the study was to quantify several factors such as variety, tillage intensity and water management that affect the kind of weed species and the degree of weed control that can be accomplished in direct seeded rice - flooded (lowland) and upland.
Download or read book Chemical Weed Control in Upland Direct seeded Rice written by B. B. Bhol and published by . This book was released on 1985 with total page 201 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Studies on Weed Management and Dates of Sowing on Two Varieties of Rice Under Direct Seeded Lowland Rainfed Conditions written by and published by . This book was released on 1988 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Studies on Weed Management in Direct Seeded Rice With CD Copy written by Sjay Singh and published by . This book was released on 2014 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
