Analysis on Soil Nutrition of Kiwifruit Orchards in Meixian County of Shaanxi Province

Soil samples from 42 kiwifruit orchards in Meixian county,Shaanxi Province were analyzed.The results showed that the average content of soil organic matter is 13.98 g/kg,with 23.8% of investigated orchards over 15 g/kg;average soil available N is 134.80 mg/kg,with 30.95% of the orchards sufficient,14.29% over supply and about 55% in short supply;average soil available P is 38.13 mg/kg,16.6% of the orchards have enough supply and about 83% in short supply;average soil available K is 177.73 mg/kg,with 1/3 of the orchards over supply,1/3 sufficient and 1/3 in short supply;average soil available Fe is 6.83 mg /kg,10% of the orchards is closed to critical point of cholorosis and the rest is lower than that;soil pH is 7.15～8.5,most of the orchard soil being slight alkalinity.