Protection effect 第1页

REGIONAL WIND PROTECTION EFFECT AND EVALUATION MODEL OF AGRICULTURE AND ANIMALE HUSBANDRY WINDBREAK NETWORKS WIND PROTECTION EFFECTS AND FIGURE SIMULATION OF FOREST ZONE QUANTITATIVE EVALUATION ON PROTECTION EFFECT OF CASUARINA EQUISETIFOLIA SHELTERBELT IN COASTAL AREA,FUJIAN PROVINCE A STUDY ON DUSTPROOF EFFECT OF AGROFORESTRY SYSTEM