Fendt 1050 Vario | Broyage de Bois | Noremat 80-120

Fendt 1050 Vario | Broyage de Bois | Noremat 80-120

Europe went through equally dramatic changes after 1955. Cases 1 and 2 show that the labor effects of mechanization depend on the alternatives available to the economy. The Indian Punjab provides an opposite example. The green revolution initiated in the mid-1960s led to sharply increased demand for labor, which caused a big rise in real wages around 1968 (Gupta and Shangari 1979).

High capital costs (relative to labor) retard mechanization and lead to selective emphasis on power-intensive operations. Machinery design adjusts to high capital costs by lack of convenience features, simplicity, and reduced durability. Energy is only one of the costs of using machines. Capital and maintenance costs are often larger.

Fendt 1050 Vario au Broyage de Bois avec un broyeur forestier Noremat 80-120 !Early methods of weed control included mowing, flooding, cultivating, smothering, burning, and crop rotation. Though these methods are still important, other means are perhaps more typical today, particularly the use of herbicide (plant-killing) chemicals. Another technique is to introduce insects that attack only the unwanted plant and destroy it while leaving the crop plants unharmed.

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More recently, direct drilling operations have become more popular where the seed is planted directly into non-cultivated soil using a corn drill (Figure 5) typically for winter cereals and forage crops, or a vacuum precision drill typically for maize, soybean and sunflower. Energy conservation and reduced soil compaction are evident advantages of a system that can also combine two, three or four field operations into one.

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