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.
The emphasis is on the adoption of mechanized techniques in farming systems which are already using animal draft. The issues surrounding the introduction of animal draft where only hand cultivation is practiced are discussed in Pingali, Bigot, and Binswanger (1985). Instead of a summary or conclusions, a set of generalizations is presented in the text.

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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.
The emphasis is on the adoption of mechanized techniques in farming systems which are already using animal draft. The issues surrounding the introduction of animal draft where only hand cultivation is practiced are discussed in Pingali, Bigot, and Binswanger (1985). Instead of a summary or conclusions, a set of generalizations is presented in the text.

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