三种灌溉方式对辣椒生长、产量和水分生产效率的影响

Effects of Three Irrigation Modes on Hot Pepper Growth,Yield and Water Production Efficiency

以黔椒4号辣椒为试材,利用张力计控制辣椒灌溉时期与灌溉量,分别研究膜下滴灌、穴灌和漫灌3种灌溉方式对塑料大棚辣椒生长、产量和水分生产效率的影响。结果表明,膜下滴灌全生育期耗水量最少,辣椒产量和水分生产效率最高,水分生产效率较穴灌、漫灌分别提高1.96 kg/m3和5.82 kg/m3。综合耗水量、产量等因素,膜下滴灌是大棚辣椒生产适宜的灌溉方式。

Taking hot pepper cultivar Qianjiao No.4 as experiment material, we took advantage of tensiometer to control irrigation time and amount, and studied effects of the three irrigation modes including trickling irrigation under mulching, hole irrigation and flood irrigation on hot pepper growth, yield and water production efficiency. The results showed that, water consumption of trickling irrigation under mulching was the lowest in the whole growth period, while its hot pepper yield and water production efficiency were the highest, and its water production efficiency increased by 1.96 kg/m3 and 5.82 kg/m3 than those of hole irrigation and flood irrigation respectively. So, comprehensively considering water consumption and yield, trickling irrigation under mulching was the best suitable mode for hot pepper cultivation in greenhouse.