Metoda chimică de control a buruienilor şi starea fitosanitară a solului în agrobiopedocenoza culturilor tehnice | Chemical method of weeds control and phytosanitary state of the soil in the agrobiopedocenosis of industrial crops
2006
BUCUR, Gheorghe
The chemical method of weed control will still remain as a method of maintaining the phytosanitary state of the soil at a satisfactory level and it is identified by the essential decrease of weed amount in field crops. Using the herbicide Acetoclor 900 EC for weed control in soybeans and Valsaguard 900 EC in sunflower there can be observed a decrease of the weed amount during the first 40 - 60 days after the emergence of soybeans plants at a level of 77,3 - 94,2 % comparing to the control lot - without herbicide, and at the level of 72,0 - 89,0% for sunflower. The mentioned herbicides provide an increasing of yield by 490 - 560 kg/ha of soybean and 555 - 575 kg/ha of sunflower. The most effective from a biological point of view are considered the rates of 2,0-2,5 l/ha of Acetoclor 900EC and 2,0-2,5 l/ha of Valsaguard 900 EC
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