Effects of thermophilic sewage sludge compost on early growth of tall fescue (<i>Festuca arundinacea</i> Schreb.) and nitrogen leaching losses

Phan, Thuy; Zheng, Shao-Hui; Iwaya‐Inoue, Mari; Furuya, Takeshi; Fukuyama, Masafumi

doi:10.1111/j.1744-697x.2007.00067.x

Cited by 1 publication

(1 citation statement)

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“…Since persimmon trees are rather sensitive to N supply, not only an excessive N but the fast-acting N source may cause the occurrence of vigorous water sprouts and undesirable secondary shoot growth [11]. Excessive soil N is a major contributor of nitrate contamination of groundwater [12] [13]. On the other hand, if the N source is too slow to become available for the trees its effect on tree development may be less than desired: if N becomes available later in the season, it delays fruit maturation [14].…”

Section: Introductionmentioning

confidence: 99%

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

Choi¹,

Ahn²,

Kim³

et al. 2017

JACEN

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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 Mg 2+ (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.

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Section: Introductionmentioning

confidence: 99%