John k Campbell

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Questions related from John k Campbell

If oil is left in a seed meal, like sunflower, would it affect the nitrogen-phosphorus-potassium (NPK) ratio?

Most seed meals have a 6-4-2 NPK ratios. Oil pressing without solvents can leave as much as 20% oil in the seed cake. Would this change how I use it as a fertilizer? Would the oil content affect...

11 November 2012 2,704 3 View

Does anyone have any suggestions for data base organization of information from growth trials I will be carrying out this year? Or opinions on quality...

I wil be running trials for many common garden plants with variations on feed mixes and concentrations, temp. and moisture records, yield and quality records, seed density variations, light...

21 January 2012 9,203 0 View