Potassium fertilization increases water-use efficiency for stem biomass production without affecting intrinsic water-use efficiency in Eucalyptus grandis plantations
نویسندگان
چکیده
منابع مشابه
Effects of irrigation on water use and water use efficiency in two fast growing Eucalyptus plantations
Eucalyptus plantations occupy almost 20 million ha worldwide and exceed 3.7 million ha in Brazil alone. Improved genetics and silviculture have led to as much as a three-fold increase in productivity in Eucalyptus plantations in Brazil and the large land area occupied by these highly productive ecosystems raises concern over their effect on local water supplies. As part of the Brazil Potential ...
متن کاملGrowth and water use of Eucalyptus grandis and Pinus radiata plantations irrigated with effluent.
We studied the growth and water balance of young plantations of Pinus radiata D. Don and Eucalyptus grandis W. Hill ex Maiden irrigated with effluent for 3 years in a climate of high net evaporation. The plantations were irrigated weekly with secondary-treated municipal effluent at the estimated water-use rate, or at nominally twice or half this rate. Control plots were irrigated with bore wate...
متن کاملWATER USE EFFICIENCY Deficit irrigation in grapevine improves water-use efficiency while controlling vigour and production quality
Grapevine irrigation is becoming an important practice to guarantee wine quality or even plant survival in regions affected by seasonal drought. Nevertheless, irrigation has to be controlled to optimise source to sink balance and avoid excessive vigour. The results we present here in two grapevine varieties (Moscatel and Castelão) during 3 years, indicate that we can decrease the amount of wate...
متن کاملBreeding for high water-use efficiency.
There is a pressing need to improve the water-use efficiency of rain-fed and irrigated crop production. Breeding crop varieties with higher water-use efficiency is seen as providing part of the solution. Three key processes can be exploited in breeding for high water-use efficiency: (i) moving more of the available water through the crop rather than it being wasted as evaporation from the soil ...
متن کاملIncreasing agricultural water use efficiency to meet future food production
With the world’s population set to increase by 65% (3.7 billion) by ∼2050, the additional food required to feed future generations will put further enormous pressure on freshwater resources. This is because agriculture is the largest single user of fresh water, accounting for ∼75% of current human water use. At present ∼7% of the world’s population live in areas where water is scarce. This is p...
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ژورنال
عنوان ژورنال: Forest Ecology and Management
سال: 2016
ISSN: 0378-1127
DOI: 10.1016/j.foreco.2016.01.004