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Expressions are presented for the penetration of direct and diffuse radiation into stands having (a) horizontal leaves, (b) randomly oriented leaves, ...
Read moreExpressions are presented for the penetration of direct and diffuse radiation into stands having (a) horizontal leaves, (b) randomly oriented leaves, ...
Read moreWater absorption and transpiration are considered in relation to the gradients of water potential between the soil and the leaves of Lolium perenne gr...
Read moreWater absorption and transpiration were considered in relation to the gradients of water potential between the soil and leaves of ryegrass (Lolium per...
Read moreIn laboratory experiments mineral nutrients, particularly K, were readily dissolved from the ash left when heather was burnt but the rate of solution ...
Read moreA method of estimating root efficiency or specific absorption rate, A, in terms of the amount of mineral nutrient taken up per unit root per unit time...
Read moreWater content and ion concentration gradients were measured in soil near a plane of onion seedling roots. Using the water content-matric potential rel...
Read moreLight transmittance and reflectance of sun and shade leaves of apple (cv. Golden Delicious) were measured from May to September over the 380-700 nm wa...
Read moreConcentration gradients of phosphate, K, Ca and Mg were measured near a plane of onion seedling roots at a range of soil water contents, in a special ...
Read moreThe mean nitrate reductase activity (NRA) of leaf tissue, from various nitrogen environments, was four times greater in Sporobolus pyramidalis than in...
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