“The apparent sugar yield per unit area reaches its maximum at the rate of 3, 300 hills per unit area, and even so, it is revealed that a striking decreasein sugar yield will arise, if more hills than that are planted to the sane area.”
“The first symptom observed was a deeper-green color of the leaves. Later, lower leaves became chlorotic, the decreasein chlorophyll starting at the tips and edges and then extending inward and toward the base. Chlorosis was followed by necrosis of the tissue.”
t0
“Effects of Potassium Deficiency on Growth and Metabolism of Sunflower Plants.”
“Decreasein dry weight of the top and reduction in the absorption of nutrients and water due to low water temperature were less remarkable with Rikuu-132, a variety resistant to cool-weather, than with kamenoo, one susceptible to cool-weather”
“Authors tested the influences of NaCl Solutions upon the germination and the growth of seedlings of wheat, using a local variety named "Norin No. 52"”
e2
“The decrease of both germination percentages and water uptake was circumstanced proportionally with the increase of concentrations of NaCl solutions”
e6
“Reduction of enzyme activities, both amylase and peroxydase, was observed to be the same as in (2)”
“Content of vitamin C (reducing type) in leaves was large at the early stage of growth.In summer, this showed a decrease, but increased again in autumn”
e1
“More ether extract was found in leaves than in stems. In leaves, it showed a slight increase in summer, but in stems it was almost constant throughout the perind of growth. (6) More crude fiber existed in stems than in leaves. In leaves, little changes were seen throughout the period of growth”
“K absorption increased rapidly at the biginning of early growth, and reach its highest point in the early or middle June, when the shoots began their active growth. This highest level of K absorption continued for a while, till most shoots terminate their growth, however with several fractuations in the course. Then decline of absorption was apparent in accord with the decrease of shoot growth”
“Each chemical treatment resulted in a decreasein the percentage content of total alkaloids, nicotine, calcium, and total ash in the cured leaf but had no apparent influence on the content of total nitrogen, nornicotine, potassium, phosphorus, magnesium and chlorine.”
e1
“a mineral oil-water emulsion applied to the stub of the broken stem after the plant was decapitated and diethanolamine salt of maleic hydrazide sprayed on the leaves suppressed sucker growth significantly and increased the yield of the cured crop”
“11·6, 64·3 and 58·8 per cent., respectively, in the case of a treatment consisting of 3·5 litres per tree of a mixture of 0·2 per cent. DDT and 0·02 per cent, parathion active material”
e1
“the size of the mealybug population, compared with that before treatment”
“In 1956, sweet corn plots treated with hand applicators three times at weekly intervals with granulated endrin at 0.5 lb. of toxicant per acre or with granulated heptachlor at 1.5 lb. for control of the European corn borer (Pyrausta nubilalis (Hbn.)) yielded over 95% marketable ears”
e4
“In 1957, a commercial applicator being used. granulated heptachlor at 1 lb. of toxicant per acre, granulated endrin at 0.3 lb., and granulated Dipterex at 1.5 lb. reduced the number of larvae by over 90%; a DDT emulsion spray at 1.5 lb. and granulated DDT at lb., 87% and 84%, respectively”
Without full ant-source removal, DDT treatment left mealybug populations at 16.9%, 39.4%, and 92.3% of pretreatment size at four, six, and eight weeks.
“the size of the mealybug population, compared with that before treatment, after four, six and eight weeks was 16·9, 39·4 and 92·3 per cent., respectively, in the case of 0·2 per cent. DDT emulsion”
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