Natural and artificial grassing of the poplar plantation on the territory of the islands of Belene and Vardim regarding cattle needs | Естествено и изкуствено затревяване на тополови насаждения на територията на островните групи Белене и Вардим за нуждите на говедовъдството
2012
Markov, N., Institute of Mountain Animal Stockbreeding and Agriculture, Troyan (Bulgaria)
The maintenance of the soil surface in poplar plantations is the key element in the technology of their cultivation. A huge number of publications on the subject of growing different crops in orchards and vineyards are pointed out in literature. In most of the publications, the researches are based on reducing the use of herbicides and preservation of the soil flora and fauna. Natural and artificial grassing is applied early 1970s in viticulture and horticulture. The main purpose of the experiment is to investigate the possibilities for growing oats, rye and forage rape in the spacing of poplar, also – using natural grasses and legumes for the needs of cattle. The analysis of natural resources and economic conditions on the islands of Persin and Vardim affirms creating plantations of poplars in the scheme 4 x 4. Soils are usually alluvial, containing uncertain morphology. The average depth of underground water is 4m. - 5m., as in drought period and it goes to 6m. The experiment is derived by a hybrid Px eur.cv.I -214 - female poplars with rapid growth in the longer growing season. The following cultures have been analyzed: • Rye culture - sort Ducati • Oats culture - sort Danube-1 • Cole culture – sort Viscera • Natural grass overgrowth • the nutritional value of the feed • Economic results
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