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degree day

Catalogue: Ground Cover
The SARDI trials showed that the critical window for chickpeas starts at about 300 'degree-days' before flowering and the most vulnerable stage for yield was found to be 200 'degree-days' after flowering ( Figure 1 )... For example, if chickpeas are grown in conditions where the daily mean temperature is 15 C, the critical stage of 200 degree-days will be reached 13 days after flowering (200 15 = 13)... If chickpeas are grown in a warmer region or the crop was sown late with, for example, a daily mean temperature of 20 C, the crop will reach the 200-degree-days mark 10 days after flowering (200 20 = 10)...
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Catalogue: Ground Cover
The SARDI trials showed that the critical window for chickpeas starts at about 300 'degree-days' before flowering and the most vulnerable stage for yield was found to be 200 'degree-days' after flowering ( Figure 1 )... For example, if chickpeas are grown in conditions where the daily mean temperature is 15 C, the critical stage of 200 degree-days will be reached 13 days after flowering (200 15 = 13)... If chickpeas are grown in a warmer region or the crop was sown late with, for example, a daily mean temperature of 20 C, the crop will reach the 200-degree-days mark 10 days after flowering (200 20 = 10)...
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