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Root symbionts (rhizobia and arbuscular mycorrhizas) are often assumed to increase agricultural productivity consistently. However, rhizobial and myco...
Read moreThe 2 sources of CO2 for canopy photosynthesis are the soil and the atmosphere. For a barley crop, calculations of root respiration rate based on meas...
Read moreStochastic analogues that included variation in spatial heterogeneity of population densities and of parameter values in Globodera were produced using...
Read moreThe dramatic expansion of rubber plantations in mainland South-East Asia and south-west China has caused many eco-environmental problems, especially n...
Read moreThe author has found that the stages in the ovarian cycle of female of Hylemya (Erioischia) brassicae (Bch.) can be numbered in a similar way to that ...
Read moreThe scientific papers presented at this conference on integrated control of crop pests in Britain comprised: Integrated control and the Advisory Servi...
Read moreEnchytraeids were sampled in 1980-85 in an agricultural field experiment with four cropping systems: barley without nitrogen fertilization (B0); barle...
Read moreA computer model was developed simulating the mating behaviour and population increase of adults of Spodoptera littoralis (Boisd.) in an isolated grou...
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 moreA perennial Festuca pratensis ley was grown during 3 years in a field experiment at Kjettslinge, Sweden. N uptake, defined as the flow of N into the c...
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