Volume 20, Issue 75 (Spring 2016)                   jwss 2016, 20(75): 87-99 | Back to browse issues page

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Mohammadi orkashvand1 A, Sedaghat Hoor2 S, Jamalpour H. Effects of Some Organic Matter and an Artificial Moisture Absorbent on Soil Available Water, Delay of Permanent Wilting Point and the Growth of Lysimachia Nummularia cv. Aurea. jwss 2016; 20 (75) :87-99
URL: http://jstnar.iut.ac.ir/article-1-3277-en.html
1. Dept. of Soil Sci., Sci. and Research Branch, Islamic Azad Univ., Tehran, Iran. , m.torkashvand54@yahoo.com
Abstract:   (15842 Views)

In this study, the impact of some organic matters and a moisture super absorbent were investigated on available water and delay of permanent wilting point in a sample soil of Rasht landscape. In incubation stage, 12 Treatments including control (70% v/v soil with 30% of the composted manure) and various amounts of soil, municipal compost, composted manure, olives and rice wastes along with a super absorbent (A200) were used in a completely randomized design. In order to provide water-release curve and to determine the amount of moisture needed for Field Capacity (FC) and Permanent Wilting Point (PWP), filter paper method was used. Three treatments having more available moisture and further delay in permanent wilting point in incubation stage were being applied in greenhouse stage, along with the control treatment. In greenhouse stage, impact of treatments and irrigation period (36, 72 and 168 hours) were studied on plant growth of Lysimachia, in a factorial experiment based on randomized complete block design. Results showed that the greatest weight of shoot dry matter was obtained in 30% municipal waste compost treatment and rice wastes treatment in 36 hours irrigation period, but at 168 hours period, dry matter decreased and the greatest dry matter was obtained from superabsorbent treatment. 

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Type of Study: Research | Subject: Ggeneral
Received: 2016/05/16 | Accepted: 2016/05/16 | Published: 2016/05/16

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