A nitrogen response simulation mode! developed at Horticulture Research International (England) was used to explain the differences in yields obtained in N fertilizer trials with cabbage grown on soils with high and low ...

Part 2

Samples of the liquid phase of growth substrates at container capacity were obtained using a dilution technique, and a chemical analysis was carried out. The measured concentrations were combined with the physical ...

The growth of cucumber roots was studied in wide NFT gullies. Root growth rate was measured in cm per day and in number of lateral roots per day. The average length of the part of the root without laterals was also calculated. ...

Management of birch forest growing in Nordic countries is presented. Biological characteristics of the two birch species: silver birch (Betula pendula Roth) and pubesccnt birch (Betula pubescens Ehrh.) are described. Natural ...

In 1987 and 1988 twenty-four Norwegian milking cows were used in a study of the influence on milk production when the animals were fed grass silage and dip-treated straw supplemented with urea or with soybean meal. In 1987 ...