By W. P. Wadman, C. M. J. Sluijsmans, L. C. N. De La Lande Cremer (auth.), H. G. Van Der Meer, R. J. Unwin, T. A. Van Dijk, G. C. Ennik (eds.)
On the get together of its twenty-fifth anniversary, in 1985, the Netherlands Society for Grassland and Fodder plants (NVWV) agreed to prepare a global Symposium on a subject concerning extensive grass and fodder creation structures. The topic chosen used to be "Animal manure on grassland and fodder vegetation: Fertilizer or waste?" This Symposium used to be prepared below the auspices of the eu Grassland Federation and held on the overseas Agricultural Centre in Wageningen from 31 August to three September 1987. the issues attached with the disposal of animal waste have bought a lot consciousness in recent times, specifically in areas with extensive animal of animal manure in line with hectare agricul husbandry. while the creation tural land elevated strongly, the necessity for it lowered due to the creation of inexpensive inorganic fertilizers that are more uncomplicated to deal with and feature a extra trustworthy influence on crop development. consequently, many farmers cast off animal manure as cost effectively as attainable, while keeping off harm to grassland and plants and paying little cognizance to powerful use of the crops nutrition inside the manure. current practices of manure dealing with and alertness usually bring about environmental difficulties. the increase in information of those difficulties renewed curiosity in probabilities to enhance the usage of food from animal manure in crop construction. study in this subject has been encouraged in lots of nations over the last decade and the purpose of this Symposium used to be to study and investigate present-day knowledge.
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Additional resources for Animal Manure on Grassland and Fodder Crops. Fertilizer or Waste?: Proceedings of an International Symposium of the European Grassland Federation, Wageningen, The Netherlands, 31 August–3 September 1987
Martinus Nijhoff Publishers, Dordrecht. ISBN 978-94-010-8137-5. 28 the species and age of animal; the composition of diets (corresponding with the production level of the animal); the housing system and the manure collection, storage and treatment systems. Faeces and urine are waste products of the feed and fodder metabolized by the animal. The digestibility of feed components is shown in Table 1. Similar methods of analysis have been applied to determine faeces components (Table 2). The dry matter (DM) in feed that is soluble in neutral detergent is largely digested by the animal while this fraction when found in faeces is primarily of metabolic origin.
Efficient grassland farming. Proceedings of the 9th Meeting of the European Grassland Federation (Reading), pp 61-68. Occasional Symposium No. 14 of the British Grassland Society. Hurley, UK: The British Grassland Society 13. Meer H G van der (1982) Efficient gebruik van stikstof uit kunstmest en organische mest op het weidebedrijf. Gebundelde Verslagen No. 23, pp 67-80. Wageningen: Nederlandse Vereniging voor Weide- en Voederbouw 14. Meijs J A C (1981) Herbage intake by grazing dairy cows. Doctoral thesis, Agricultural University, Wageningen 15.
The rapid introduction of the slurry system has been a consequence of the intensification oflivestockfarming. Its main advantage is the saving of labour; it also reduces the quantity of bedding material required. Dairy cattle produce approximately 10 t slurry per cattle unit during the 6 months when cattle are housed. This quantity contains on average 45 kg nitrogen (N), 8 kg phosphorus (P), and 45 kg potassium (K) . Intensive grassland farms, which often have more than 3 cattle units per ha, are therefore required to dispose of large amounts of plant nutrients in slurry.