EFFECT OF TRIPLE SUPER PHOSPHATE ON NUTRIENT UPTAKE IN RICE (Oryza sativa L.) AND SOIL NUTRIENTS STATUS OF HAOR AREA
B K Goswami1, M A Kashem1, M A Aziz1 and T K Saha2*
Journal of the Sylhet Agricultural University, Volume 9, Issue 1, 2022, Pages 71-79
Abstract:
The experiment was conducted at Bilpar village under the Saidergaon union of Chatok upazila of Sunamganj district from November 2016 to May 2017 to find out the effects of TSP fertilizer on the nutrient uptakes in boro rice and soil properties in haor areas. Two factors experiment- varieties: BRRI dhan29 and BRRI dhan58 and six TSP fertilizer levels: Fi- 85 kg TSP ha”! (Farmers’ practice), F,- 142 kg TSP ha”, Fs- 127 kg TSP ha”, F,- 112 kg TSP ha™ (BARC recommended dose), Fs- 97 kg TSP ha, Fq-82 kg TSP ha” were included in the experiment, which laid out in a randomized complete block design (RCBD) with three replications. The grain, and straw nutrients (NPKS) were analyzed using standard ‘methods. Initial and post-harvest soil analyses were done for pH, organic matter, total nitrogen, available P, exchangeable K and available S. Between two rice varieties, BRRI dhan58 showed higher nutrient content and uptake in comparison compared to BRRI dhan29. TSP fertilizer significantly influenced nutrient concentration in grain and straw as well as nutrient uptakes. BARC recommended TSP fertilizer (TSP-112 kg ha™) helps to uptake nutrients (P) superiorly in grain and straw. The soil analyses showed that the nutrient contents in post-harvest soils were higher compared to the initial soil. The application of TSP fertilizer along with Urea, MoP and Gypsum increased total N, available P, K, and S contents in post-harvest soil. The result revealed that cultivation of BRRI dhan58 with 112 kg TSP ha (BARC recommended dose) was the best option for rice production and maintaining soil fertility.
Keywords:
TSP, Rice, Soil fertility, Nutrient uptake
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B K Goswami1, M A Kashem1, M A Aziz1 and T K Saha2*. 2022. EFFECT OF TRIPLE SUPER PHOSPHATE ON NUTRIENT UPTAKE IN RICE (Oryza sativa L.) AND SOIL NUTRIENTS STATUS OF HAOR AREA, Journal of the Sylhet Agricultural University 9(1): 71-79.
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