Abstract
A study was conducted to compare the effect of rock phosphate & calcium phosphate on the growth and the biochemistry of the plant Brassica juncea and its impact on soil health. The rock phosphate is highly favorable than tri-calcium phosphate for the mustard growth. Physiochemical effect of the plant was evaluated through the analysis of amino acid, pigment, shoot & root biomass content of the plant. The following parameters of soil (treated with Tri calcium phosphate & Rock phosphate) such as pH, EC, moisture, ash were analyzed. The pH of the soil mixed with tri-calcium phosphate and rock phosphate was decreased slightly from original & EC was increased .Impact of rock phosphate & calcium phosphate on the soil health can be observed by calculating TOC and nitrogen estimation at regular interval of days. Nitrogen concentration at 5th day is gradually decreases except control, R2 and R4 and after in 10th day and 20th day it becomes increased. The highest TOC value was observed on 10th day i.e. (C1)9.64 in calcium phosphate and R1 (10.17) on 1st day in rock phosphate.
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