The program of the converting farmland into forest is a big systems engineering,which involes broad converage, invests much money and has high participation of farmers. 退耕還林是一項龐大的系統工程，覆蓋面廣，投資多，農民參與程度高。
converting cropland to foresfland project的相關(guān)資料：
滬公網(wǎng)安備 31011502000490號
電信業(yè)務(wù)許可證編號：滬B2-20190700
