Assertion: manure's nitrogen | /r/HasProperty | estimated as around 540 kt n
Facets:
Source sentences:
text: Based on the data given in Table 2, of the total nitrogen in the manure from livestock farms destined for land spreading [estimated as around 540 kt N: (Citepa, 2017), and personal communication] 36.5% is spread on grassland, 39.6% on maize ground, and 12.9% on cereal land.