24 



Table 3. Effect of Watering With Mineral Solutions on 

 Sap Density and Hardiness of Cowpeas. 



Watered 

 With 



Potassium Chloride 



Sodium Chloride 



Magnesium Chloride. . 

 Ammonium Chloride.. . 



Sodium Nitrate 



Distilled Water 



Potassium Chloride. . . . 



Sodium Chloride 



Magnesium Chloride.. . 

 Ammonium Chloride.. . 



Sodium Nitrate 



Distilled Water 



Potassium Chloride. . . . 



Sodium Chloride 



Magnesium Chloride.. . 

 Ammonium Chloride.. . 



Sodium Nitrate 



Distilled Water 



Potassium Chloride 



Sodium Chloride 



Magnesium Chloride.. . 

 Ammonium Chloride... 



Sodium Nitrate 



Distilled Water 



Potassium Chloride 



Sodium Chloride 



Magnesium Chloride.. . 

 Ammonium Chloride.. . 



Sodium Nitrate 



Distilled Water 



Potassium Chloride 



Sodium Chloride 



Magnesium Chloride.. . 

 Ammonium Chloride... 



Sodium Nitrate 



Distilled Water 



Date 



une 29/11 

 une 29/11 

 une 29/11 

 une 29/11 

 une 29/11 

 une 29/11 

 une 29/11 

 une 29/11 

 une 29/11 

 une 29/11 

 une 29/11 

 une 29/11 

 uly 18/11 

 uly 18/11 

 uly 18/11 

 uly 18/11 

 uly 18/11 

 uly 18/11 

 uly 19/11 

 uly 19/11 

 uly 19/11 

 uly 19/11 

 uly 19/11 

 uly 19/11 

 uly 20/11 

 uly 20/11 

 uly 20/11 

 uly 20/11 

 uly 20/11 

 uly 20/11 

 uly 21/11 

 uly 21/11 

 uly 21/11 

 uly 21/11 

 uly 21/11 

 uly 21/11 



Tem- 

 pera- 

 ture 



-3 



-3 



-3 



-3 



-3 



-3 



-3 



-3 



-3 



-3 



-3.5 



-3.5 



-3 



-3 



-3 



-3 



-3 



-3 



-2.75 



-2 .'75 



-2.75 



-2.75 



.75 

 .75 



Number 

 Leaves 



-2 



-2 



-2.75 



-2.75 



-2.75 



-2.75 



-2.75 



-2.75 



-2.75 



-2.75 



35 



35 



33 



33 



33 



40 



30 



36 



36 



29 



24- 



36 



21 



22 



30 



12 



12 



30 



12 



12 



29 



12 



12 



30 



12 



12 



12 



12 



12 



30 



12 



12 



13 



12 



12 



30 



Percent- 

 age 

 Killed 



Percent- 

 age 

 Killed 



and 

 Partly 

 Killed 



Potassium Chloride, average. 



Sodium Chloride, average 



Magnesium Chloride, average 

 Ammonium Chloride, average 



Sodium Nitrate, average 



Distilled Water, average 



45.71 

 28.57 

 69.69 



3.03 



9.09 

 77.50 

 56.66 

 30.55 

 66.66 

 58.62 

 70.83 

 91.66 

 33.33 

 36.36 

 85.33 

 83.33 



0.0 

 90.00 

 100.00 

 66.66 

 93.10 

 83.33 



0.0 

 76.66 

 16.66 



8.33 

 58.33 

 16.66 

 58.33 

 80.00 



8.33 



0.00 

 15.39 



8.33 

 16.66 

 86.66 



43.45 

 28.41 

 64.75 

 33.05 

 25.82 

 83.73 



57.14 

 48.57 

 100.00 

 15.15 

 33.33 

 77.50 

 70.00 

 38.88 

 77.77 

 75.86 

 79.16 

 97.22 

 42.85 

 54.54 

 100.00 

 91.66 

 41.66 

 100.00 

 100.00 

 66.66 

 100.00 

 100.00 

 58.33 

 83.33 

 58.33 

 33.33 

 75.00 

 50.00 

 83.33 

 93.33 

 16.66 

 8.33 

 30.77 

 16.66 

 16.66 

 93.33 



57.49 

 41.72 

 80.59 

 58.22 

 52.08 

 90.78 



