How to determine the fertility status of a soil and the nutrient needs of a crop

The macronutrients N, P and K are required in large quantities. 

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Chilean grape supplies at least 40% lower

The frost of last autumn has had big consequences on Chilean grape export. “The volume of grapes will be 40% less,” explains Jan Marc Schulz of SFI Rotterdam, who received the first Chilean grapes last week. “The demand of Chilean grapes is high and the prices are on a great level, 1.60 Euro for red grapes and about 1.45 Euro for white grapes (500 grams), but that doesn’t make up for the losses due to lower volumes for growers.” Read More