MEAD , R. 1979. Competition experiments . Biometrics 35 : 41-54 . MEAD , R .; WILLEY , R.W. 1980. The concept of a ' Land Equivalent Ratio ' and advantages in yields from intercrop- ping . Experimental Agriculture 16 : 217-228 .

In Table N ° 1 production per hectare in dry weights is presented , calculated on the basis of experimental yield for ... the necessity of using border areas of a different vegetation to avoid competition in the cultivar experiments .

The importance of competition under the soil level has been demonstrated in a number of experiments carried out with various different species . Vogdt ( 88 ) found that when a group of suppressed pines were freed from root competition ...

Competitive interactions between neotropical pollinators and Africanized honey Science 201 ( 4360 ) : 1030-1032 . ... After experimental introduction of Africanized honey bee hives near flowers , stingless bees became less abundant or ...

Competitive interactions between neotropical pollinators and Africanized honey Science 201 ( 4360 ) : 1030-1032 . ... After experimental introduction of Africanized honey bee hives near flowers , stingless bees became less abundant or ...

In an experiment on the sandy soil of Mt. Keloed described by Snoep ( 1940a , p . 1296 ) , Salvia obscura was ... Experiments with water cultures have been made on root competition by s'Jacob ( 1936 , p . 94 and 1938 , p . 1366 ) .

Thus , the experimental design can employ the strategy of " geographic isolation " . ... The phenomena of ( 1 ) competition and ( 2 ) selection are important considerations in evaluating a submission and designing safe field research .

Another advantage of photoperiod sensitive sorghum is its greater biomass production, used in animal feed ing . As a result of experiments in which competition was reduced by eliminating maize and sorghum plants ...

... it is kept clear of the trees within a circle around them , is presumably intended to test competition for nutrients . In any case , the inclusion of costings would increase the value of these two experiments . The experiment ( No.

B • 22 23 24 25 26 27 28 29 30 31 List of experiments carried out by the Genotype Evaluation Component in the Semi - Arid ... San Carlos , 1984-85 Weeds present in a critical period of weed competition study in yams ( Dioscorea alata ) ...