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A mathematical model was constructed to simulate various above-ground and below-ground compartments of the producer subsystem for a shortgrass prairie...Read more
The insertion angle of the needles, their position on the stem, and their width had large effects on the uptake of 14CO2 by detached 'sun' and 'shade'...Read more
Rice cv. Calrose was germinated under water with or without an oil overlay to impede gas exchange. The shoot was the first and most prominent structur...Read more
The distribution of the cacao swollen shoot virus is markedly discontinuous in West and Central Africa. The available data were re-examined to investi...Read more
Oryzopsis holciformis (M.B.). Hack. (hairy ricegrass) was sown in loess soil in containers 60 cm deep at densities of between 160 and 3200 seedlings/m...Read more
Soyabeans were grown in pots at 20, 40, 60, 80 or 100% of field capacity or were allowed to wilt 1-5 times during the growth cycle. Small decreases in...Read more
Barley and Vicia faba were grown alone and with either their roots or their shoots, or both roots and shoots, intermixed. The N supply, total plant de...Read more
Describes the host range of Cacao swollen-shoot virus (CSSV) and the distribution of wild hosts. No consistent association has so far been found betwe...Read more
Measurements were made to determine the balance between photosynthesis, animal intake and the losses of matter in swards maintained by 'lenient' conti...Read more
The distribution and dynamics of N and P were studied for two adjacent grazed and ungrazed areas of native grassland in the Flooding Pampa, Argentina,...Read more