ADDITIONAL HYMENOPTEROUS PARASITES NEWLY RECORDED FROM THE DARKSIDED CUTWORM, EUXOA MESSORIA (LEPIDOPTERA: NOCTUIDAE) IN ONTARIOCHENG HH.1981; CAN. ENTOMOL.; CAN; DA. 1981; VOL. 113; NO 8; PP. 773-774; BIBL. 5 REF.Article

INSECT PARASITES OF THE DARKSIDED CUTWORM, EUXOA MESSORIA (LEPIDOPTERA: NOCTUIDAE), IN ONTARIO.CHENG HH.1977; CANAD. ENTOMOLOGIST; CANADA; DA. 1977; VOL. 109; NO 1; PP. 137-142; BIBL. 1 P.Article

LABORATORY COMPARISON OF THE STOMACH, CONTACT AND FUMIGANT ACTION OF CHLORPYRIFOS AGAINST THE DARK-SIDED CUTWORM (LEPIDOPTERA: NOCTUIDAE) = EFFICACITE COMPAREE DU CHLORPYRIFOS PAR INGESTION, CONTACT ET FUMIGATION SUR EUXOA MESSORIA (L.: N.)CHENG HH.1973; PROC. ENTOMOL. SOC. ONTARIO; CANADA; DA. 1973; VOL. 104; PP. 22-25; BIBL. 15 REF.Article

OBSERVATIONS ON THE BIONOMICS OF THE DARK-SIDED CUTWORW, EUXOA MESSORIA (LEPIDOPTERA: NOCTUIDAE), IN ONTARIO = OBSERVATIONS SUR LA BIONOMIE DE E.M. (L., N.) EN ONTARIOCHENG HH.1973; CANAD. ENTOMOLOGIST; CANADA; DA. 1973; VOL. 105; NO 2; PP. 311-322; BIBL. 19 REF.Serial Issue

EFFECTS OF TANK-MIXED COMBINATIONS OF INSECTICIDES AND SUCKER CONTROL AGENTS ON EFFICACY AND ON THE YIELD AND QUALITY OF FLUE-CURED TOBACCOCHENG HH.1980; PROC. ENTOMOL. SOC. ONT.; CAN; DA. 1980; VOL. 111; PP. 7-12; BIBL. 14 REF.Article

FLUE-CURED TABACCO LOSSES CAUSED BY THE TOMATO HORNWORM, MANDUCA QUINQUEMACULATA (LEPIDOPTERA: SPHINGIDAE), AT VARIOUS INFESTATION LEVELS IN ONTARIO.CHENG HH.1977; CANAD. ENTOMOLOGIST; CANADA; DA. 1977; VOL. 109; NO 8; PP. 1091-1095; BIBL. 10 REF.Article

EFFECT OF CHANGE IN SOIL MOISTURE ON THE TOXICITY OF CHLORPYRIFOS AND LEPTOPHOS TO THE DARKSIDED CUTWORM, EUXOA MESSORIA (HARRIS) (LEPIDOPTERA: NOCTUIDAE).CHENG HH.1976; ANN. SOC. ENTOMOL. QUEBEC; CANADA; DA. 1976; VOL. 21; NO 2; PP. 87-94; ABS. FR.; BIBL. 1 P.Article

OXYDEMETON-METHYL FOR CONTROL OF THE GREEN PEACH APHID ON TOBACCO IN THE GREENHOUSE = LUTTE CONTRE LE PUCERON VERT DU PECHER (MYZUS PERSICAE) SUR LE TABAC EN SERRE PAR L'OXYDEMETON-METHYLCHENG HH.1975; ANN. SOC. ENTOMOL. QUEBEC; CANADA; DA. 1975; VOL. 20; NO NO 1; PP. 44Article

DETERMINATION OF ¹⁴C-LABELED PESTICIDES IN SOILS BY A DRY COMBUSTION TECHNIQUECHENG HH; FARROW FO.1976; SOIL SCI. SOC. AMER. J.; U.S.A.; DA. 1976; VOL. 40; NO 1; PP. 148-150; BIBL. 4REF.Article

EXTRACTION OF METHABENZTHIAZURON FROM THE SOIL.CHENG HH; FUHR F.1976; J. AGRIC. FOOD CHEM.; U.S.A.; DA. 1976; VOL. 24; NO 2; PP. 421-424; BIBL. 6 REF.Article

ELIMINATION OF AEROBIC DEGRADATION DURING CHARACTERIZATION OF PESTICIDE. ADSORPTION-DESORPTION IN SOILKOSKINEN WC; CHENG HH.1982; SOIL SCI. SOC. AM. J.; USA; DA. 1982; VOL. 46; NO 2; PP. 256-259; BIBL. 25 REF.Article

FATE OF 2,4-D IN A NAFF SILT LOAM SOIL.WILSON RG JR; CHENG HH.1978; J. ENVIRONMENT. QUAL.; U.S.A.; DA. 1978; VOL. 7; NO 2; PP. 281-286; BIBL. 16 REF.Article

DYNAMICS OF CUTWORM POPULATIONS ON TOBACCO CROPS IN SOUTH-WESTERN ONTARIO. I. A PRELIMINARY SIMULATION MODEL FOR THE CROP-PEST SYSTEM = DYNAMIQUE DES POPULATIONS DE NOCTUIDES SUR DES RECOLTES DE TABAC DANS LE SUD-OUEST DE L'ONTARIO. UN MODELE PRELIMINAIRE POUR LE SYSTEME DEPREDATEUR-RECOLTEHARMSEN R; CHENG HH; REID DG et al.1974; PROC. ENTOMOL. SOC. ONTARIO; CANADA; DA. 1974; VOL. 105; PP. 80-85; BIBL. 15 REF.Article

EXPERIMENTS ON THE DEGRADATION OF ATRAZINE IN THE MAIZE-RHIZOSPHERESEIBERT K; FUEHR F; CHENG HH et al.1981; THEORY AND PRACTICE OF THE USE OF SOIL APPLIED HERBICIDES. SYMPOSIUM/1981/VERSAILLES; FRA; PARIS: EUROPEAN WEED RESEARCH SOCIETY; DA. 1981; PP. 137-146; ABS. GER; BIBL. 17 REF.Conference Paper

EFFECTS OF DRYING AND WETTING ON EXTRACTABLE ALUMINIUM IN STRONGLY ACID SOILS AND IN ALUMINIUM-SATURATED CLAYSWESTFALL DG; MOODIE CD; CHENG HH et al.1973; GEODERMA; PAYS-BAS ; 1973, VOL. 9, NUM. 0001, P. 5 A 13Serial Issue

AVAILABILITY OF ¹⁵N LABELED NITROGEN IN FERTILIZER AND IN WHEAT STRAW IN TILLED AND NO TILL SOILFREDRICKSON JK; KOEHLER FE; CHENG HH et al.1982; SOIL SCI. SOC. AM. J.; USA; DA. 1982; VOL. 46; NO 6; PP. 1218-1222; BIBL. 28 REF.Article

DISSIPATION OF MASSIVE QUANTITIES OF 2,4-D AND 2,4,5-T N-BUTYL ESTERS IN FIELD MINI-LYSIMETERSMAJKA JT; CHENG HH; MUZIK TJ et al.1982; J. ENVIRON. QUAL.; ISSN 0047-2425; USA; DA. 1982; VOL. 11; NO 4; PP. 645-649; BIBL. 13 REF.Article

VARIATIONS EN PICLORAM LEACHING PATTERNS FOR SEVERAL SOILS = DIFFERENCES DANS LES TYPES DE LESSIVAGE DU PICLORAME POUR PLUSIEURS SOLSPING CL; CHENG HH; MCNEAL BL et al.1975; SOIL SCI. SOC. AMER., PROC.; U.S.A.; DA. 1975; VOL. 39; NO 3; PP. 470-473; BIBL. 9 REF.Article

MOVEMENT OF 2,4,5-T THROUGH LARGE SOIL COLUMNSO'CONNOR GA; WIERENGA PJ; CHENG HH et al.1980; SOIL SCI.; ISSN 0038-075X; USA; DA. 1980; VOL. 130; NO 3; PP. 157-162; BIBL. 16 REF.Article