MADRAS AGRICULTURAL JOURNAL

Estimation of Maize Yield at Spatial Level Using DSSAT Crop Simulation Model

  • Simulation Model

Abstract

                                Field experiment was conducted at Agricultural College and Research Institute, Killikulam (TNAU) during Late Pishanam (November 2017 – March 2018) to study the various wet seeding methods and weed management practices on yield of unpuddled rice in Tamirabarani command area. The experiment was laid out in randomized block design and replicated thrice with fourteen treatments. Treatments involving seven weed management practices were tested with two methods of wet seeding in rice by drum seeder and paddy cum dhaincha seeder. All the weed control treatments with seeding methods significantly reduced the density of weeds which resulted in significantly higher yield of rice over unweeded control. The results revealed that among the treatments, rice established through drum seeder along with the pre emergence application of pyrazosulfuron ethyl at 20 g a.i ha-1 on 8 DAS followed by post emergence application of bispyribac sodium at 25 g a.i ha-1 at 30 DAS significantly reduced the density of weeds and also increased the yield of rice.

Key words : Weed management, Rice cum Daincha seeder, Intercropping, Herbicides

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    Copyright@2018 The Madras Agricultural Journal | Developed by Crystalpro All right reserved.

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    Copyright @ 2019 Madras Agricultural Journal | Developed by Crystalpro All right reserved.