Results 71 to 80 of about 1,925 (205)

Time of metamitron application and concentration in the chemical thinning of ‘Maciel’ peach

open access: yesRevista Brasileira de Fruticultura
In the peach tree cultivation, the producer has the challenge of obtaining good quality fruits and maintaining production in a balanced way over the years. Thinning favors these parameters and reduces the fruit load on plants.
Roseli de Mello Farias   +5 more
doaj   +1 more source

Chemical thinning programs for 'Fuji Mishima' apple trees under black anti-hail net

open access: yesPesquisa Agropecuária Brasileira, 2023
The objective of this work was to evaluate chemical thinning programs containing mixtures of different plant growth regulators, at low concentrations, applied to 'Fuji Mishima' apple trees at post-blossom, as well as to identify the most effective in ...
Lucas De Ross Marchioretto   +2 more
doaj   +1 more source

The Use of Separation Methods for the Study of Selected Drugs and Pesticides in Water [PDF]

open access: yes, 2015
Dizertační práce je zaměřena na získání poznatků o průniku pesticidů a léčiv do vodního prostředí. Cílem bylo vyvynutí a ověření optimální metody vhodné pro dlouhodobé sledování výskytu vybraných pesticidů a léčiv v povrchových vodách.
Burešová, Jitka
core  

Natural formation of chloro- and bromoacetone in salt lakes of Western Australia [PDF]

open access: yes, 2019
Western Australia is a semi-/arid region known for saline lakes with a wide range of geochemical parameters (pH 2.5-7.1, Cl- 10-200 g L-1. This study reports on the haloacetones chloro- and bromoacetone in air over 6 salt lake shorelines.
Atlas, E.   +15 more
core   +1 more source

Bekämpningsmedel (växtskyddsmedel) i vatten och sediment från typområden och åar samt i nederbörd under 2006 [PDF]

open access: yes, 2007
Rapporten redovisar resultat från nationell miljöövervakning av växtskyddsmedel år 2006. Programmet omfattar vatten- och sedimentprovtagning i fyra jordbruksbäckar i s.k.
Adielsson, Stina   +2 more
core  

Evaluation of weed control methods on sugar beet (Beta vulgaris L.) yield at different levels of nitrogen

open access: yesMajallah-i ḥifāẓat-i giyāhān, 2017
Introduction: Weed competition is one of the major factors which limit sugar beet production in the world. Weed – crop interactions are based on competition for water, nutrients and light and allelopathic effects may also play a small role. In sugar beet
AliAsghar Chitband   +3 more
doaj   +1 more source

Potoccatalytic oxidation of oganophosphorus pesticides using zinc oxide [PDF]

open access: yes, 2012
In recent years, the application of heteroge-neous photocatalytic water treatment processses has gained wide attention due to its effectiveness in degra-ding and mineralizing the pesticides.
Dehghani, M.H., Fadaei, A.M.
core  

Electrochemical behavior of parent and photodegradation products of some selected pesticides [PDF]

open access: yes, 2008
Electrochemical behavior of pesticides is extensively studied, but little attention has been given to the study of their degradation products (by-products) by electrochemical methods. However, the degradation products of pesticides can be even more toxic
CASTANHO, Giuliane M.   +5 more
core   +2 more sources

Toelatingsonderzoek restmaterialen bollenteelt voor co-vergisting [PDF]

open access: yes, 2011
Na de teelt en afbroei van bloembolgewassen blijft vaak organisch restmateriaal over. Om in aanmerking te komen voor biogasproductie middels vergisting moet een toelatingsprocedure worden doorlopen. Een gedeelte van deze procedure, nl. het aanleveren van
Belder, P.
core   +1 more source

Ethyl 2-acetylhydrazono-2-phenylacetate

open access: yesActa Crystallographica Section E, 2008
The title compound, C12H14N2O3, was synthesized as an intermediate for the synthesis of metamitron. The benzene ring forms dihedral angles of 86.3 (2) and 10.0 (3)° with the ethyl group and the acetylimino plane, respectively.
Liang-Zhong Xu   +4 more
doaj   +1 more source

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