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“yield decrease”

2 matches

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1930 ’40 ’50 ’60 ’70 ’80 ’90 2000 ’10 ’20

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Claim · model-written summary

Caterpillar borers attacking sugarcane canes during growth cause a decrease in sugar yield.

Taxon: Sugarcanee0
Organ / stage: jointse3
Interactor: caterpillar borerse2pest
Outcome: yield of sugare3
Direction: decreasee3

Verbatim

e0
“Sugarcane is no more free from the attentions of insect-pests”
✓ located verbatim in the source · abstract, characters 0–61

e2
“The shoots are liable to attack by, at least, three kinds of caterpillar borers, which kill them outright”
✓ located verbatim in the source · abstract, characters 286–391

e3
“These borers may also attack the joints of canes during their growth and cause a decrease in the yield of sugar”
✓ located verbatim in the source · abstract, characters 393–504

Title

SUGAR-CANE INSECTS IN SOUTH INDIA

Government Entomologist Coimbatore; RAO SAHIB RAMACHANDRA RAO Y Madras Agricultural Journal 1930. doi:10.29321/maj.10.a01480

Other claims from this paper (6)

Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

The yield decrease from sulphate of ammonia is ascribed to more lodging and a greater incidence of foot rot.

Taxon: wheatTriticum aestivume1
Outcome: reduction in yielde2
Qualifier: more lodging and greater incidence ofe4

Verbatim

e1
“study the effect of the time of application of sulphate of ammonia to autumn-sown wheat”
✓ located verbatim in the source · abstract, characters 74–161

e2
“in those three cases sulphate of ammonia decreased yield, irrespective of time of application; the reduction in yield was of the order of 10 per cent”
✓ located verbatim in the source · abstract, characters 269–418

e4
“is ascribed to more lodging and greater incidence of”
✓ located verbatim in the source · abstract, characters 424–476

Title

Investigations in crop husbandry. III. Effect of time of application of sulphate of ammonia to wheat

F. H. Garner; H. G. Sanders The Journal of Agricultural Science 1936. doi:10.1017/s0021859600022012

Other claims from this paper (4)

Intervention effect Sulphate of ammonia decreased wheat yield by about 10 per cent in three experiments on light gravelly soil, irrespective of application time.
Intervention effect Sulphate of ammonia increased wheat yield by 18, 20 and 7 per cent in three experiments on heavy clay soil.
Intervention effect Early dressings of sulphate of ammonia did not affect wheat germination or plant establishment.
Intervention effect Early dressings of sulphate of ammonia tended to increase wheat tiller formation by the end of February.

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“yield decrease”

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