A study, by the crop survey method of factors influencing the yield of potatoes

Hardenburg E. V. (Earle Volcart) B. 1889

Sujets

• Potato

Informations

• Publié par: les_archives_du_savoir
• Nombre de lectures: 8
• Langue: English
• Poids de l'ouvrage: 11 Mo

Extrait

, 'The as a method of research ....'.','. .'.'. . ; . \ . '. - 1145 , ... ,crop survey .'./. J; .,.;. as to data '..'.' 1147Biometry applied crop-survey ' The cf records 1147taking of 1148Description regions surveyed Island 1149Long Steuben ..:..- 1153County Monroe 1154County Franklin and Clinton Counties 1155 of dataMethod 1156studying survey The of factors 1157study Climate 1157 Elevation 1159 rotation 1162Crop Value of land. . . . '. 1166 ' Soil 1169 , 1171Plowing Time of 1171plowing of . 1173Depth Manure and fertilizer 1177 Home-mixed fertilizers 1179 and value of fertilizer 1180Quantity Manure and fertilizer used in the four 1182regions of 1188Analysis Method of fertilizer 1191applying Use and influence of lime on land 1196potato and of varieties 1197Adaptation yield Source of seed ." />

UC-NRLFSB
211
A the ofMethod,Study, by Crop Survey
"Factors the Yield
Influeneing
;- of Potatoes,
A THESIS
PRESENTED TO THE FACULTY OF THE GRADUATE SCHOOL OF
FOR DEGREE OFCORNELL UNIVERSITY THE
'DOCTOR OF PHILOSOPHY
BY
EARLE VOLCARTIHARDENBURG
Published as Memoir 57
Cornell 1922.University Agricultural Station,Experiment JuneA the ofMethod,Study, by Crop Survey
Factors the Yield
Influencing
of Potatoes
A THESIS
PRESENTED TO THE FACULTY OF THE GRADUATE SCHOOL OF
FOR OFCORNELL UNIVERSITY THE DEGREE
DOCTOR OF PHILOSOPHY
BY
EARLE
VOLCARTJHARDENBURG
Published as Memoir 57
Cornell University 1922.Agricultural Experiment Station, June
517499'
' 'CONTENTS
'
' '" ' ' PAGE
t >,
'The as a method of research ....'.','. .'.'. . ; . \ . '. - 1145
, ... ,crop survey .'./. J; .,.;.
as to data '..'.' 1147Biometry applied crop-survey
'
The cf records 1147taking
of 1148Description regions surveyed
Island 1149Long
Steuben ..:..- 1153County
Monroe 1154County
Franklin and Clinton Counties 1155
of dataMethod 1156studying survey
The of factors 1157study
Climate 1157
Elevation 1159
rotation 1162Crop
Value of land. . . . '. 1166
'
Soil 1169
, 1171Plowing
Time of 1171plowing
of . 1173Depth
Manure and fertilizer 1177
Home-mixed fertilizers 1179
and value of fertilizer 1180Quantity
Manure and fertilizer used in the four 1182regions
of 1188Analysis
Method of fertilizer 1191applying
Use and influence of lime on land 1196potato
and of varieties 1197Adaptation yield
Source of seed .' 1205
of seed 1208Sun-sprouting
ofChemical treatment seed 1210
Interval between and 1211cutting planting.
cut seed 1214Dusting
of seed 1215Type
as with small tubers for seed 1215Large compared
Whole as with cut seed 1216
as with small seed 1217Large pieces
Number of 1220eyes
of seed used in the four . . 1221Types regions surveyed
Relation of amount of seed to 1224yield
Date of 1231planting
Hand as with machine 1232compared planting t
Checkrow as with drill 1234compared
of 1237Depth planting
of cultivation ; 1242
as with level culture 1244Ridge compared
of .cultivation .' 1246Frequency
. 1255Spraying
of ofRelation date harvest to 1263yield
Method of in the four 1265harvesting regions surveyed
of in the four 1269Types storage regions surveyed
of 1269Length period
1270Summary
Conclusions 1272
Author's 1273acknowledgment
1274Bibliography
blank 1280Survey
1139A BY THE CROP SURVEYSTUDY, OF FACTORSMETHOD,
INFLUENCING THE YIELD OF POTATOES