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2009, vol. 25, iss. 5-6-2, pp. 1233-1239
Yield and chemical composition of orchard grass harvest remains-straw (Dactylis glomerata L.) depending on the vegetation space and application of mineral fertilizers
Institute for Forage Crops, Kruševac
Keywords: orchard grass; harvest remains; yield; chemical composition
In the process of forage-blade perennial grass seed production, a certain amount of harvest remains-straw is gained. Orchard grass is the most prominent species of the forage plants, due to seed requirements and the amount of straw per harvest and the leaf ratio in the yield. The proper choice of vegetation spacing and the application of mineral fertilizers are the key factors for high yield of both seed and harvest remains. There are several opinions about the quality of harvest remains. According to some authors this straw is worthless and should not be used for livestock nutrition. Another opinion is that this feed has poor nutritive value, but may be significant bulk feed for livestock, such as calves, with lower nutrient requirements. Therefore, the aim of this paper is to determine the yield and the composition of harvest remains of orchard grass. The gained harvest remains of orchard grass is of poor quality. However it can be used as the bulk feed where the concentrated feed is dominant, such is the calf fattening. The vegetation space has the significant influence on the content of ADF and NDF in leaf and on the content of NDF in the stem. The application of mineral fertilizers, also, has the significant influence on the yield of harvest remains, on the content of ADF and NDF in leaf and on the content of crude protein and NDF in the stem. So, the proper using of mineral fertilizers can affect the seed yield and, also, the yield and quality of harvest remains.
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article language: English
document type: Original Scientific Paper
published in SCIndeks: 24/11/2009