Potatoes
Go to Climate Change Overview Understanding Global Warming Potatoes More rain and warm weather are good for the agricultural sector. Also, more carbon dioxide is good for the plants. Whether it is possible to see the effect is more questionable because at the same time, the crops have been refined and cultivation improved. The cold 1840s were accompanied by violent pot ato blight attacks. Blight is a fungal disease caused by spores of Phytophthora infestans. It became catastrophic for Europe, especially in Ireland where 1 million died of starvation and another 1-2 million emigrated. Later, the necessity of crop rotation with 3 other crops for each potato harvest and the value of healthy seed potatoes were learned. Figure 1 . Yield of Danish factory potatoes has steadily increased. Here shown as 11-year moving average. ...