香椿的四种栽培方法一、埋土越冬露地栽培法采用两年生以上树苗，沟栽矮化密植，冬季修剪地上枝后埋土护根露地越冬。苗木定植一般采用沟宽１２米，株距２０厘米，每亩栽苗２７００株，定植后立即灌水，随后在地表２０厘米处定干修剪。香椿树顶端优势很强，一般只萌芽１... Toon four cultivation methods First, overwintering buried cultivation method using more than two years of saplings, dwarf dense planting ditch, pruning the ground in winter after the branches buried ginkgo wintering. Planting seedlings generally use ditch width 1  2 m, plant spacing 20 cm, planted 2700 plants per mu, irrigation immediately after planting, and then set at the surface of 20 cm dry pruning. Tops of toon trees have strong advantages, generally only sprouting 1 ...