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Swedes cv. Victory and sugar beet cv. Klein E were grown at 2 sites in S.E. England and protected by a N.-S. screen with 50% permeability; the height ...
Read moreSeeds of calabrese, carrot, onion and sugar beet were sown in the field on successive occasions. Soil integral impedance (work done in penetrating the...
Read moreThere is increasing interest in the use of food supplements in agriculture to enhance the performance of parasitoids as part of conservation biologica...
Read moreA description is given of apparatus used for measuring photosynthesis and respiration in C. vulgaris under controlled conditions of light intensity, r...
Read moreThe time course of changes in the quantity of Calluna leaves and wood were measured during 1971 and an analysis of the data used to derive the seasona...
Read moreThree major determinants of bees' nectar foraging patterns are the maximum depth at which nectar is accessible (dependent on bee tongue length); the m...
Read morecf. FA 31 No. 601.] Seedlings of P. radiata, from autumn sowings at Rotorua, New Zealand, were undercut in Dec. and then wrenched weekly (W/1), fortni...
Read moreInteractions between plants can be beneficial, detrimental or neutral. In agricultural systems, competition between crop and spontaneous vegetation is...
Read moreA Trifolium repens cv. Regal and Festuca arundinacea cv. Kentucky 31 pasture was established in Sep. 1983 to determine the impact of O3 and available ...
Read moreVegetative buffers in agricultural landscapes can provide a range of important ecological services, including conservation of native flora and fauna, ...
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