核桃适宜土层深厚、土质肥沃、排水良好、含盐量0.3%以下的壤土或沙壤土上种植。核桃是不耐低温的树种,其生长的土壤地下水深要在1.5米以下。在成片新栽时,特别要注意解决水的灌排问题。灌、排渠系要配套,土地要平整。按平缓状况划成一个个格田,然后放线定点确定株行距和每个定 Walnut suitable soil deep, fertile soil, well-drained, salt content below 0.3% of loam or sandy loam planting. Walnut is not tolerant of low temperature tree species, its growth in groundwater depth to 1.5 meters below. In the new film into a film, with particular attention to solve the problem of irrigation and drainage. Irrigation, drainage system to be supporting, the land should be flat. According to the flat condition into a grid, and then put the line sentinel to determine the line spacing and each set