Yield and nitrogen uptake of lettuce (lactuca sativa l.) as influenced by different rates of vermicast grown in sandy soil

Authors : Dhenber LUSANTA, Warren Kim SİAROT, Zenaida C GONZAGA

Pages : 8-18

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Publication Date : 2021-06-27

Article Type : Research Paper

Abstract :The study was conducted to evaluate the different rates of vemicast on the yield and N uptake of lettuce grown in sandy soil insert ignore into journalissuearticles values(1); and to determine the best rate of vermicast on the yield and N uptake of lettuce grown in sandy soil insert ignore into journalissuearticles values(2);. Lettuce grown in sandy soil incorporated with vermicast was more vigorous than control especially plants treated with the highest level of vermicast which is 7.5 g/kg soil while control plants have yellowish leaves. Treatments with lower rates of vermicast insert ignore into journalissuearticles values(5.0 and 2.5 g/kg soil); as well as the control were not successful in developing head of lettuce while the highest rate of vermicast insert ignore into journalissuearticles values(7.5 g/kg soil); clearly produced head. Incorporating 7.5 g vermicast/kg soil obtained the heaviest fresh weight and total dry matter yield of 88.20 g/plant and 7.86 g/plant respectively. Moreover, application of vermicast regardless of varying rates evidently improved sandy soil pH.
Keywords : nitrogen uptake, lettuce, sandy soil