Soil Science Quiz 1
Results
#1. Scab of Irish potatoes, pox of sweet potatoes, and black root rot of tobacco are favoured by
#2. “Increase in yield of a crop as a result of increasing a single growth factor is proportional to the decrement from the maximum yield obtainable by increasing the particular growth factor” was described by
#3. Which one of the following is an example of positive interaction ?
#4. Bray has modified the mitscherlich equation to
#5. The nutrient concentration range in which added nutrient will not increase yield but can increase nutrient concentration is referred as
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