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首页> 外文会议>International Symposium on Advanced Technologies and Management Towards Sustainable Greenhouse Ecosystems >Effect of Saline Concentrations on Growth of Melon Cultivated under Protected Environment
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Effect of Saline Concentrations on Growth of Melon Cultivated under Protected Environment

机译：盐水浓度对受保护环境栽培甜瓜生长的影响

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摘要

Adequate knowledge on management of soilless cultivation systems using substrate arouses great interest when one mentions its usage for commercial purposes. The objective of this study was to evaluate the biomass production and distribution of melon crop (Cucumis melo var. inodorus) cultivated in raw rice husk with leach recirculation, as a function of three different saline concentrations of the nutrient solution. A standard solution of 2.3 dS m~(-1) electrical conductivity (100% saline concentration) was used as a reference treatment. The concentration of the remains treatments was determined based on the standard solution, with reduction and increase of 25% in the macronutrients amount corresponding to electrical conductivities of 1.9 and 2.9 dS m~(-1), respectively. Sowing was done on 17~(th) February 2003. Seventeen days after sowing, plants were transferred to polyethylene bags containing 13 L of raw rice husk at the density of 1.69 plants per square meter. From the data of dry and fresh matter accumulated at 62 days after setting, biomass production and distribution among the different plant parts were established. The lowest saline concentration of the nutrient solution (1.9 dS m~(-1)) promotes a similar plant growth to the one observed at higher concentrations. Thus, it can be indicated for melon cultivation in raw rice husk during autumn crop-season. Raw rice husk can be used as substrate in soilless production systems with leaching recirculation.
机译：当一个提到使用商业目的的使用时，对使用基质的无土栽培系统管理的充分知识引起了极大的兴趣。本研究的目的是评估用浸出再循环的生物稻壳（Cucumis Melo var。Inodorus）的生物量产生和分布，作为浸出再循环，作为三种不同盐水浓度的营养溶液的函数。 2.3 ds m〜（-1）电导率（100％盐水浓度）的标准溶液用作参考处理。基于标准溶液测定剩余处理的浓度，其分别对应于1.9和2.9 ds m〜（-1）的电导率的常见措施量的降低和增加25％。播种于2003年2月17日〜（Th）。播种后十七天，将植物转移到含有13升生稻壳的聚乙烯袋，密度为每平方米1.69株植物。从在62天内累积的干燥和新物质的数据，建立了不同植物零件之间的生物质生产和分布。营养溶液的最低盐水浓度（1.9ds m〜（-1））促进了在较高浓度下观察到的植物生长。因此，可以在秋季作物季节在生水稻果壳中表明瓜种植。生稻壳可用作浸出再循环的无土生产系统中的衬底。

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