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RESULTS FOR NIGHT CLASS FALL 1999. (SPRING 1999)
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Plant Appearance at Harvest
------------------------Nitrogen Added, g/100g of
organic
material------------------------------------- Organic material -----------0----------- ----------0.5---------- -----------1----------- ------------2---------- None 1 0 -2 toxicity dead Paper (0.01%N) 3 3 2 2 Dead leaves (0.3%N) 3 3 1 1 Peat moss (0.5%N) 1 0 0 0 Compost (1% N) 0 0 0 -1 toxicity Cow manure (1% N) 0 0 0 -3 toxicity Alfalfa (2.5% N) 0 0 0 0
Plant Heights at Harvest, cm ------------------------Nitrogen Added, g/100g of
organic
material------------------------------------- Organic material -----------0----------- ----------0.5---------- -----------1----------- ------------2---------- None 27 32 19 0 Paper (0.01%N) 22 17 25 27 Dead leaves (0.3%N) 9 13 27 25 Peat moss (0.5%N) 28 36 39 29 Compost (1% N) 34 48 45 50 Cow manure (1% N) 36 30 21 10 Alfalfa (2.5% N) 28 30 24 22
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Plant Weights at Harvest, g/plant ------------------------Nitrogen Added, g/100g of
organic
material------------------------------------- Organic material -----------0----------- ----------0.5---------- -----------1----------- ------------2---------- None 38 46 10 0 Paper (0.01%N) 6 5 10 14 Dead leaves (0.3%N) 2 3 30 19 Peat moss (0.5%N) 38 65 57 53 Compost (1% N) 67 79 44 19 Cow manure (1% N) 61 26 6 1 Alfalfa (2.5% N) 37 29 17 10
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RESULTS FROM NIGHT CLASS SPRING 1999
Plant Appearance at Harvest.
------------------------Nitrogen Added, g/100g of
organic
material------------------------------------- Organic material -----------0----------- ----------0.5---------- -----------1----------- ------------2---------- None 3_________________ 1_________________ dead______________ dead______________ Paper (0.01%N) 3 1 1 dead Dead leaves (0.3%N) 3 2 1 0 Peat moss (0.5%N) 3 1 0 0 Compost (1% N) 2 1 0 0 Cow manure (1% N) 3 1 0 dead Alfalfa (2.5% N) 0 0 0 dead
3, severe nitrogen deficiency; 2, moderate deficiency; 1,
slight deficiency; 0 no deficiency; dead, died from toxicity of
fertilizer.
Plant Heights at Harvest, cm. ------------------------Nitrogen Added, g/100g of
organic
material------------------------------------- Organic material -----------0----------- ----------0.5---------- -----------1----------- ------------2---------- None 39________________ 44________________ 0_________________ 0_________________ Paper (0.01%N) 21 45 43 0 Dead leaves (0.3%N) 10 15 23 33 Peat moss (0.5%N) 42 51 52 34 Compost (1% N) 47 48 46 41 Cow manure (1% N) 42 50 41 0 Alfalfa (2.5% N) 36 39 37 0
Plant Weights at Harvest, g/plant. ------------------------Nitrogen Added, g/100g of
organic
material------------------------------------- Organic material -----------0----------- ----------0.5---------- -----------1----------- ------------2---------- None 43________________ 33________________ 0_________________ 0_________________ Paper (0.01%N) 14 41 16 0 Dead leaves (0.3%N) 6 7 21 112 Peat moss (0.5%N) 55 147 213 29 Compost (1% N) 109 157 153 112 Cow manure (1% N) 55 154 60 0 Alfalfa (2.5% N) 185 53 35 0