Economics of Controlled Drainage and Subirrigation Systems
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چکیده
منابع مشابه
Effects of Controlled Drainage Systems to prevent chemical soil degradation in the Area under Sugarcane Cultivation
The Imam Khomeini sugarcane agro-industry is one of ten sugarcane agro-industry plantations in Khuzestan province. As regard as the drains has been installed in this plantation many years ago so there is water and salt balance in this land that is one of the condition for implementation controlled drainage. This research was designed to investigate the possibility of using a controlled drainag...
متن کاملاثر زهکشی کنترل شده و سطوح مختلف کود نیتروژن برمقدار زه‌آب و آبشویی نیترات
The growth of world population and the demand for agricultural products can be regarded as one of the important issues that humanity has ever faced. There are serious concerns regarding surface and ground water pollution by nitrates because of using nitrogen fertilizers in the agriculture. Improving agricultural water management systems can reduce nitrate in drainage outflow and therefore, redu...
متن کاملThe Effects of Controlled Drainage on the Cane Crops: The study of Emam Khomeini’s Industry and Plant Farms of cane
Holding up the phreatic surface near by the plant root zone to effective use of water and provide themoisture on the root zone is a usual method, which uses for several decades by researchers. In thisstudy, we investigate the possibility of controlled drainage method in dry and half-dryzone (i.e., theclimate of the center and south of the Khuzestan state) on thecane plant. The results showedtha...
متن کاملCorn yield and fertilizer N recovery in water-table-controlled corn–rye-grass systems
Concern about NO− 3 leaching and groundwater pollution from corn monoculture has prompted an investigation of alternative production systems that reduce leaching. It is hypothesized that both intercropping and water-table control could increase N uptake and reduce the quantity of N that might be lost due to leaching. This study compared corn (Zea mays L.) with annual Italian rye-grass (Lolium m...
متن کاملEffect of initial soil salinity and subirrigation water salinity on potato tuber yield and size
A ®eld lysimeter study was conducted to investigate the effect of initial soil salinity and salinity level of brackish subirrigation water on tuber weight and tuber size of three potato (Solanum tuberosum L.) cultivars (Kennebec, Norland and Russet Burbank) under simulated arid conditions. Both saline and non-saline initial soil conditions were simulated in a total of 36 lysimeters. Eighteen ly...
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تاریخ انتشار 2013