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Journal Article
Plant and Soil, ISSN 0032-079X, 1/1953, Volume 4, Issue 3, pp. 197 - 222
The experiment was carried out with five different soils, viz. two mineral, two low-moor and one Sphagnum soil. A given area of all of these soils was... 
Agricultural soils | Oats | Soil samples | Plant roots | Orchard soils | Summer | Sand soils | Mineral soils | Soil productivity | Mathematical minima
Journal Article
Plant and Soil, ISSN 0032-079X, 10/1953, Volume 5, Issue 1, pp. 67 - 80
1. The effects of soil applications of cobalt on tomato have been studied in a factorial pot experiment. Three rates of cobalt, 0, 1 and 4 milliequivalents... 
Phosphates | Agricultural site preparation | Crop harvesting | Soil samples | Plant roots | Iron | Plants | Cobalt | Heavy metals | Fertilizers
Journal Article
1960, Wiley publications in statistics., ISBN 0471207241, xx, 517
Book
Ecology, ISSN 0012-9658, 10/1962, Volume 43, Issue 4, pp. 770 - 771
Journal Article
Plant Physiology, ISSN 0032-0889, 3/1966, Volume 41, Issue 3, pp. 376 - 382
Methionine can induce more than a 100% increase in ethylene production by apple tissue slices. The increased amount of ethylene derives from carbons 3 and 4 of... 
Enzymes | Flasks | Radiocarbon | Tissue samples | Bicarbonates | Amino acids | Ethylene production | Body tissues | Seedlings | Fruits
Journal Article
Biometrics, ISSN 0006-341X, 6/1970, Volume 26, Issue 2, pp. 315 - 326
This paper deals with an empirical investigation of 5 single-stage sampling systems for estimating the average kill of ducks per hunter at the provincial and... 
Statistical discrepancies | Hunting | Waterfowl | Post offices | Random sampling | Sample size | Questionnaires | Fowling | Ducks | Game birds
Journal Article
The Journal of Wildlife Management, ISSN 0022-541X, 10/1971, Volume 35, Issue 4, pp. 664 - 668
A mail survey of steady waterfowl hunters who hunted successively during 1967-68 and 1968-69 was conducted in Ontario during 1968-69 to develop a sampling plan... 
Hunting | Waterfowl | Hunting seasons | Random sampling | Survey sampling | Questionnaires | Fowling | Sample mean | Deer hunting | Unbiased estimators
Journal Article
The Journal of Wildlife Management, ISSN 0022-541X, 7/1973, Volume 37, Issue 3, pp. 367 - 381
From 1966 through 1968, a study was conducted to investigate the relationships between diving ducks and their food resources on the Keokuk Pool of the... 
Animal feeding behavior | Core samples | Waterfowl | Gizzard | Fingernails | Diving | Clams | Food consumption | Ducks | Food
Journal Article
Chesapeake Science, ISSN 0009-3262, 6/1974, Volume 15, Issue 2, pp. 63 - 71
During the 1972 growing season, the productivity of a short form and a tall form of Spartina alterniflora was studied by the harvest method in the vicinity of... 
Productivity | Growing seasons | Marine ecology | Soil samples | Dry matter accumulation | Marine ecosystems | Chemical composition | Plants | Nitrogen | Ashes
Journal Article
Weed Science, ISSN 0043-1745, 1/1978, Volume 26, Issue 1, pp. 20 - 27
Ten herbicides were each applied at two rates to Panoche loam for 5 to 6 yr as soil-incorporated broadcast sprays directed to the base of cotton (Gossypium... 
Soil chemistry | Herbicides | Agricultural soils | Sandy loam soils | Soil samples | Tillage | Clay loam soils | Cotton | Agrology | Desert soils
Journal Article
Book
Plant and Soil, ISSN 0032-079X, 1/1981, Volume 60, Issue 3, pp. 435 - 444
Lupinus albus and L. angustifolius were grown in the field, harvested prior to leaf fall and the Ca, Mg, Na, K, Fe, Mn, Zn, Cu, P and Si content of the... 
Agricultural soils | Soil samples | Silicon | Plants | Acid soils | Minerals | Magnesium | Soil pollution | Agrology | Manganese | Manganese accumulation | Iron enrichment | Lupins | Chemical composition | Silica analysis | Manganese tolerance
Journal Article
Ecology, ISSN 0012-9658, 6/1981, Volume 62, Issue 3, pp. 816 - 829
Impacts of felling, mulching, and burning on budgets of C, N, S, P, K, Ca, and Mg; rates of CO"2 evolution from the soil; soil seed storage; and plant growth... 
Agricultural soils | Soil samples | Vegetation | Tropical soils | Soil water | Tropical forests | Ashes | Forest fires | Forest soils | Soil ecology
Journal Article
Plant and Soil, ISSN 0032-079X, 1/1982, Volume 67, Issue 1/3, pp. 271 - 281
Studies of nitrogen mineralization and leaching were conducted in the cacao-growing region in the south of Bahia, Brazil, on plots fertilized with N, P and K... 
Soil samples | Shade trees | Plantations | Nitrogen | Soil air | Leaching | Agrology | Cacao | Fertilizers | Forest soils
Journal Article
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