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Changes in Inorganic and Organic Soil Phosphorus Fractions Induced by Cultivation Practices and by Laboratory Incubations1
Changes in inorganic and organic phosphorus (P) fractions resulting from 65 years of cropping in a wheat-wheat-fallow rotation were studied using a sequential extraction technique. Total P content of…
Productivity and sustainability of the rice-wheat cropping system in the indo-gangetic plains of the Indian subcontinent: Problems, opportunities, and strategies
Ecology and management of weeds under conservation agriculture: A review
Weed Ecology and Weed Management Strategies for Dry-Seeded Rice in Asia
- B. Chauhan
- BiologyWeed Technology
- 13 February 2012
A logical perspective is provided of what can be done to improve weed management strategies in dry-seeded rice (DSR) to achieve effective, sustainable, and long-term weed control.
Factors affecting seed germination of annual sowthistle (Sonchus oleraceus) in southern Australia
Seeds of annual sowthistle were able to germinate over a broad range of temperatures and were favored by light; however, some germination occurred in the dark as well, which could be due to dormancy enforced by dark in this species.
Allelopathy for weed control in agricultural systems
African mustard (Brassica tournefortii ) germination in southern Australia
Germination of African mustard seeds collected from southern Australia was not influenced by light conditions at the optimum temperature but seed germination was inhibited by light at the lower temperature and presence of light increased the sensitivity of seeds to low temperature, as well as salt and osmotic stress.
Seedling recruitment pattern and depth of recruitment of 10 weed species in minimum tillage and no-till seeding systems
Results of this study will facilitate weed-control timing decisions and provide validation data for weed seedling recruitment models.
Influence of tillage systems on vertical distribution, seedling recruitment and persistence of rigid ryegrass (Lolium rigidum) seed bank
Not only was the seedling recruitment lower under the low–soil-disturbance Tillage systems, biomass accumulation by rigid ryegrass seedlings was also lower under these systems, and the carryover of residual viable seeds from one season to the next was similar between the tillage systems.