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Schollenberge, C.J. (1927) A Rapid Approximate Method for Determining Soil Organic Matter. Soil Science, 24, 65-68.
https://doi.org/10.1097/00010694-192707000-00008

has been cited by the following article:

  • TITLE: Effect of Liquid Pig Manure and Chemical Fertilizers on Shoot Growth and Nitrogen Status of Young “Fuyu” Persimmon Trees

    AUTHORS: Seong-Tae Choi, Gwang-Hwan Ahn, Seong-Cheol Kim, Eun-Seok Kim

    KEYWORDS: Liquid Pig Manure, Persimmon, Shoot Growth, Nitrogen Uptake, Nitrogen Par-tition

    JOURNAL NAME: Journal of Agricultural Chemistry and Environment, Vol.6 No.3, August 29, 2017

    ABSTRACT: Liquid pig manure (LPM), digested from pig slurry, has been used as a nutrient source substituting chemical fertilizer (CF) for some crops. This experiment was conducted to evaluate the effect of different levels of CF and LPM in early July on nitrogen (N) uptake of pot-grown young “Fuyu” persimmon (Diospyros kaki). The total N and potassium (K) from CF and LPM applied to a 3 L pot were 1.2 g N and 1.15 g K for the low and 2.4 g N and 2.3 g K for the high level. From 2 weeks after the applications, secondary shoots started to grow for the CF but none for the LPM. Two nutrient sources did not significantly affect the amount of N increase in different tree parts from July 1 to August 6. At the high level, tree total N increased by 80% from 551 mg for the CF and by 31% from 583 mg for the LPM. The nutrient sources did not affect soil pH. The soil that received LPM contained more organic matter (P = 0.048), available phosphorus (P) (P = 0.002), and exchangeable K+ (P = 0.001) and Mg2+ (P = 0.009) than the soil that received CF on August 6. These results indicated that N in LPM becomes available later but its effect is more durable than CF.