One of the most fundamental reasons that the World’s population has been able to subsist is the development of agricultural production methods over the centuries. But even today poorer countries struggle to provide foodstuff for their inhabitants while in other parts of the World overproduction exists.

The increased use of technology and science to produce disease-free, faster-growing and even genetically-modified crops and chemical fertilizers has also caused certain problems. Also the use of growth hormones and antibiotics in farmed animals has caused great concern. The growth of organic farming methods over the last thirty years is witness to the fact that many people prefer naturally-produced products.

Today, roughly one third of the World’s workforce is employed in the agriculture sector.

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1913, Definitives 16v

SKU Parent: sdh0042 國家: 达荷美 年份: 1913 Nr. Michel: 42/57

1916, Definitives 10v

SKU Parent: sho0190 國家: 匈牙利 年份: 1916 Nr. Michel: 190/99

1916, Definitives 2v

SKU Parent: sho0186 國家: 匈牙利 年份: 1916 Nr. Michel: 186/87

1917, Macedonian occupation 7v

SKU Parent: sbl0112 國家: 保加利亞 年份: 1917 Nr. Fsc: 21701 Nr. Yvert: 109/4A Nr. Michel: 112/8

1917, Macedonia 3v

SKU Parent: sbl0119 國家: 保加利亞 年份: 1917 Nr. Fsc: 21702 Nr. Michel: 119/21

1919, Definitives 10v

SKU Parent: sho0242 國家: 匈牙利 年份: 1919 Nr. Fsc: 21901 Nr. Michel: 242/51

1919, Overprints 20v

SKU Parent: sho0266 國家: 匈牙利 年份: 1919 Nr. Fsc: 21904 Nr. Michel: 266/85

1919, Overprints 5v

SKU Parent: sho0286 國家: 匈牙利 年份: 1919 Nr. Fsc: 21905 Nr. Michel: 286/90

1920, Definitives 18v

SKU Parent: sbi0178 國家: 德國, 巴伐利亞 年份: 1920 Nr. Fsc: 22002 Nr. Michel: 178/95

1920, Definitives, overprints 20v

SKU Parent: sho0292 國家: 匈牙利 年份: 1920 Nr. Fsc: 22001 Nr. Michel: 292/311

1920, Definitives 4v

SKU Parent: sho0315 國家: 匈牙利 年份: 1920 Nr. Fsc: 22003 Nr. Michel: 315/18

1920, Definitives 43v

SKU Parent: sho0326 國家: 匈牙利 年份: 1920 Nr. Fsc: 22103 Nr. Michel: 326/68

1921, Definitives 15v

SKU Parent: say0013 國家: 亞塞拜然共和國 年份: 1921 Nr. Michel: 13/27

1921, Coffee plant 1v

SKU Parent: scd0091 國家: 哥斯大黎加 年份: 1921 Nr. Fsc: 22101 Nr. Michel: 91

1921, Overprints 3v

SKU Parent: smb0146 國家: 马达加斯加 年份: 1921 Nr. Fsc: 22103 Nr. Michel: 146/48

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