The results indicated that planstic tunnel,planstic film mulch in planstic tunnel and only planstic film mulch all increased the soil temperature and preceded the sprouting and harvest time.

Preliminary experiments on drying waste plant and sewage sludge by plastic shed and sunlight;

The concrete construction method in plastic shed during winter was introduced,its economic benefit was analysed.

Water pollution load of saliferous soil washed by water in plastic greenhouse;

Water-gathering and water-saving cultivation techniques in plastic greenhouse in the massif area;

Effect of diagonal bracings in the sidewall of plastic greenhouse frames on longitudinal stiffness;