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Ten species of Umbelliferae were examined with regard to the time of year at which seedlings emerged and the survival of seeds in cultivated soil. The...
Read moreThe presence of weeds within the crop provided a habitat which was more suitable for some of the arthropod predators of P. rapae. Harpalus rufipes was...
Read moreYields of heather herbage ranged from 3238 to 29, 261 kg DM/ha. The latter stand contained 39, 56, 17, 8 and 192 kg/ha of Ca, K, Mg, P and N, respecti...
Read moreLight-trap records showed that Nilaparvata lugens (Stal), an important pest of rice, is prevalent in the southwestern part of Japan. Populations that ...
Read moreBare soil evolved a maximum of 7 g CO3/m2/day in summer and a minimum of 1 g/m2/day in winter; the Q10 was 3. Root respiration, i.e. the difference in...
Read moreData on the spatial distribution of 111 taxa including trees, herbaceous plants, 4 species of squirrel and 10 invertebrate taxa were obtained from 4 t...
Read moreThe density and distribution of Nectria galligena were determined on all 16 combinations of 4 cvs (Summerland Red McIntosh, Harrold's Delicious, Spart...
Read moreFrom observational methods [described] in savanna dominated by Andropogon gayanus at Mokwa, Niger State, it was concluded that daily losses of standin...
Read moreDM production ranged from <2 g/m2 day in winter to 20 g/m2 day in spring in barley cv. Sekitori-Sai No.1 sown in 15-cm bands 55 cm apart with 105 p...
Read moreDM production of swards of Bouteloua gracilis was modelled using measured effects of soil water potential, temperature, visible irradiance and phenolo...
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