不同的温室生产系统对黄瓜产量影响的研究

Effect on Cucumber Yield in Different Green House Production System

在澳大利亚新南威尔士洲的国家园艺中心的温室中进行的一个比较黄瓜分别种植在两套生产系统中,开放式生产系统(RTW)和封闭式营养液膜生产系统(NFT),且两种生产系统所用营养液配方相同。通过测定发现,定植在 RTW 生产系统中无论每株黄瓜的瓜条数或产量均达到显著性差异。初步推断是由于 RTW 生产系统中所用基质椰壳(Cocopeal)特有的物理和化学属性导致黄瓜在 RTW和 NFT 两套生产系统中产量出现显著差异。

The experiment was conducted in a heated greenhouse in Gosford, NSW to test effect of different production systemss on cucumber yield.Cocopeat used as media for run-to-waste production system together with rockwool cube used as media for NFT production system were carried out as two treatments. The data of total numbers and total weights of harvested fruits in two production systems were collected for comparing the effect of two systems on the cucumber yield. The results show total numbers or total weight of fruit harvested, 9.73 plant-1 and 1336.6 g plant1 respectively in run-to-waste production system all have a significantly higher amount than that of in the NFT production system, 8.33 plant -1 and 1124.4 g plant-1 respectively. The number and weight of fruit harvested in separatc harvest day in RTW production system are also higher than that of in NFT production system. The reason for cause significant differences is probably due to cocopeat media influencing the nutrient pH and some chemical constituents, such as phenolic compound and humic acid presence in cocopeat media,stimulating growth of cucumber.This conclusion should also be studied in further research in order to provide more exact reason.