The water harvesting area is a ridge mulched with plastic film and even small rain can easily run down planting area,so soil moisture in planting area can be improved greatly. 本試驗所采取的措施使施肥量和水分同時(shí)得以改善，而不同降雨年型增產(chǎn)幅度差異較大，這表明該地區水分是影響作物產(chǎn)量的主要因素。
滬公網(wǎng)安備 31011502000490號
電信業(yè)務(wù)許可證編號：滬B2-20190700
