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- Title
Effect of clay and organic amendments on yield and nutrient uptake of rice in coastal sandy soil.
- Authors
VISHWANATHAN, K.; SINGARAVEL, R.
- Abstract
One pot experiment was conducted in the Department of Soil Science & Agricultural Chemistry, Annamalai University during July to October 2015. The initial experimental soil sample recorded a pH (8.07), EC (2.45 dS/m) and available N (130.64 mg/kg), P (4.12 mg/kg) and K (79.28 mg/kg). The design of experiment was completely randomized design. The treatments studied were : T1–Control (100% recommended NPK), T2–NPK+20 t clay/ ha, T3–NPK+40 t clay/ha, T4–NPK+20 t clay/ha+FYM @ 12.5 t/ha, T5–NPK+40 t clay/ ha+FYM @ 12.5 t/ha, T6–NPK+20 t clay/ha+Lignite humic acid @ 20 kg/ha and T7–NPK+40 t clay/ha+Lignite humic acid @ 20 kg/ha. All the treatments were replicated thrice. Rice var. ADT-43 was test crop. The various yield characters, grain and straw yield were recorded. At harvest, plant samples were collected and analyzed for the N, P and K content and their uptake by rice. The results indicated that application of NPK along with clay+organic amendments increased the yield and nutrient uptake of rice in coastal sandy soil. Among the treatments, the highest grain yield (54.73 g/pot) and straw yield (76.86 g/pot) was recorded in the treatment T7.
- Subjects
RICE; CLAY; RICE -- Nutrition
- Publication
Crop Research (0970-4884), 2016, Vol 51, Issue 1-3, p24
- ISSN
0970-4884
- Publication type
Article