Science in New Guinea, Volume 11University of Papua New Guinea, 1985 - Agriculture |
From inside the book
Results 1-3 of 22
Page 64
There was very minor pest damage to the sweet potato tubers . The local cassava variety called ' Institute Yellow ' , was harvested from eleven ridges for a yield range of 5 26 tonnes per hectare with an average yield of 11.2 tonnes per ...
There was very minor pest damage to the sweet potato tubers . The local cassava variety called ' Institute Yellow ' , was harvested from eleven ridges for a yield range of 5 26 tonnes per hectare with an average yield of 11.2 tonnes per ...
Page 82
The snails were classified as either not damaged , damaged but not killed ( shell broken but animal not harmed ) ... If a particular crab failed to damage any shells for several consecutive days , a juvenile Strombus gibberulus L. was ...
The snails were classified as either not damaged , damaged but not killed ( shell broken but animal not harmed ) ... If a particular crab failed to damage any shells for several consecutive days , a juvenile Strombus gibberulus L. was ...
Page 89
On seven occasions ( 1 , 8 , 22 March , 26 April , 17 , 31 May ) jassid damage to plants was recorded according to the following scale : RESULTS 0 = total defoliation due to jassid attack 1 = more than 50 % of leaves with jassid burn 2 ...
On seven occasions ( 1 , 8 , 22 March , 26 April , 17 , 31 May ) jassid damage to plants was recorded according to the following scale : RESULTS 0 = total defoliation due to jassid attack 1 = more than 50 % of leaves with jassid burn 2 ...
What people are saying - Write a review
We haven't found any reviews in the usual places.
Contents
Ascorbic acid content of some Papua New Guinean | 1 |
The potential use of modern geodetic methods for geophysical | 19 |
A short note on yields of forty one varieties of aibika | 39 |
14 other sections not shown
Other editions - View all
Common terms and phrases
ABSTRACT acid analysis animals appears areas attack Australian chemistry cognitive collected common concentrations concrete contain course cover crops damage Daru Department detail determined distribution Education effects examination Figure fish Fly River foraminifera forest formal fronds fruit garden geodetic given Grade ground High School hospital important infection Island jassid Journal laboratory length less living Manus material mean measured mercury methods Moresby natural Nautilus noted observations obtained occur operations Papua New Guinea period plants pompilius Port positioning possible prepared present problems Province published questions range reasoning recorded REFERENCES Research River samples Science separate shell slender species specimens Station survey syllabus Table teachers teaching Technology terebrids topics traditional Transferred trees University University of Papua varieties vegetables yield