Due to the increase in dry periods, farmers are confronted with ever greater problems to offer high quality food for their farm animals. Now researchers from Switzerland have identified trees as alternatives.
The silver meadow, goat meadow, common axle and the Berghaorn are the tree species, which on the one hand make many leaves and have a high nitrogen content, as agricultural research wrote Switzerland on Thursday. They are even better qualitative than the summer meadow grass.
The branch diameter is important for feeding with these so -called feed trees. With six to seven branches with a diameter of five centimeters, 20 percent of the daily dry substance of a dairy cea would be covered. The young branches of the trees only have a moderate nutritional value, but contain a lot of copper, calcium and zinc, which can help prevent mineral lack of animals. Although feed trees in agriculture have been known since the beginning, there have been no data on income and nutritional values.
UN report: The majority of the areas has become drier
A report from the UN Co -Secretariat published last year to combat desert formation has become permanent dryer in the last three decades. According to the UNCCD study, 7.6 percent of the worldwide worldwide transformed from moist landscapes into dry areas. According to the report, Europe (96 percent of the area), parts of the Western United States, Brazil, Eastern Asia and Central Africa are mainly influenced by drying. Agricultural grain rooms such as in the Mediterranean Sea are therefore confronted with a dark future.
Source: Krone
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