MEASUREMENTS OF AERATION IN WATERLOGGED SOILS: SOME IMPROVEMENTS OF TECHNIQUES AND THEIR APPLICATION TO EXPERIMENTS USING LYSIMETERSBLACKWELL PS.1983; JOURNAL OF SOIL SCIENCE; ISSN 0022-4588; GBR; DA. 1983; VOL. 34; NO 2; PP. 271-285; BIBL. 2 P.Article

A SYSTEM FOR AUTOMATICALLY MEASURING AND RECORDING SOIL WATER POTENTIAL AND RAINFALLBLACKWELL PS; ELSWORTH MJ.1980; AGRIC. WATER MANAGE.; ISSN 0378-3774; NLD; DA. 1980; VOL. 3; NO 2; PP. 135-141; BIBL. 9 REF.Article

A METHOD OF PREDICTING BULK DENSITY CHANGES IN FIELD SOILS RESULTING FROM COMPACTION BY AGRICULTURAL TRAFFICBLACKWELL PS; SOANE BD.1981; J. SOIL SCI.; ISSN 0022-4588; GBR; DA. 1981; VOL. 32; NO 1; PP. 51-65; BIBL. 22 REF.Article

AUTOMATIC MEASUREMENT OF SOIL WATER POTENTIAL AND RAINFALLBLACKWELL PS; ELSWORTH MJ.1980; AGRIC. RES. COUNC., LETCOMBE LAB., ANNU. REP.; GBR; DA. 1980; PP. 29; BIBL. 1 REF.Article

THE PLASTIC LIMIT, AS DETERMINED BY THE DROP-CONE TEST, IN RELATION TO THE MECHANICAL BEHAVIOUR OF SOILCAMPBELL DJ; STAFFORD JV; BLACKWELL PS et al.1980; J. SOIL SCI.; GBR; DA. 1980; VOL. 31; NO 1; PP. 11-24; H.T. 2; BIBL. 22 REF.Article

COMPACTION BY AGRICULTURAL VEHICLES: A REVIEW-1 SOIL AND WHEEL CHARACTERISTICSSOANE BD; BLACKWELL PS; DICKSON JW et al.1981; SOIL TILLAGE RES.; NLD; DA. 1981; VOL. 1; NO 3; PP. 207-237; BIBL. 92 REF.Article

COMPACTION BY AGRICULTURAL VEHICLES: A REVIEW. 2. COMPACTION UNDER TYPES AND OTHER RUNNING GEARSOANE BD; BLACKWELL PS; DICKSON JW et al.1981; SOIL TILLAGE RES.; NLD; DA. 1981; VOL. 1; NO 4; PP. 373-400; BIBL. 64 REF.Article