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Collection: Directories and Documents > Pamphlets
Report on the Agriculture Experiment Stations of the University of California (PH 4-16)(1890) (211 pages)
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Page: of 211
2 UNIVERSITY OF CALIFORNIA.
Pact
Variability from place to place .--------------------------------29-0070 7777 143
Comparison of surface alkali and well water at experiment station, Tulare 143
Lake water and its alluvium -.....--.---------------------------------7°77" 14
Efficacy of gypsum against “black” alkali----. -----------------------------144
Drainage alongside of irrigation._-....-.-----------------------------------" 144
Value of gypsum as a fertilizer .....---------.------------------+ +2222 144
Gypsum a special fertilizer only...----.------------------------------------144
Useful for leguminous plants -. ..--1 ih a lence Ree B= Ne ae er ee 145
Useful for setting free supplies of potash_----..------------------------------145
Useful for “black alkali? -< nc ccs So ee ones 145
Useful for the preservation of manure, and disinfection---------------------145
Importance of utilizing deposits found--..----------------------------------145
Tables showing composition of alkali salts. ..-.--------------------------------146-148
APPENDICES.
1. SOIL INVESTIGATION—ITS METHODS AND RESULTS.-.--------.-------151
Experiment stations need definite information in regard to facts within their
sphere of action.--------------------.----------------------------------------151
Agricultnral surveys a necessity to their usefulness ----.--------------------. ---151
Neglect of systematic soil investigation .-.---------...-------------------------151
The “old farmer” ys. the agricultural chemist -.------.-----.--------------------152
Cause of neglect of chemical soil analysis.--.-.--------------.----------ee 152
Objections not applicable to virgin soils -....----------------.------------------152
Dr. D: D. Owen's ViGWS = <9 sonnei en nee ew ren en ee ores eee ete 152
Soil observations in’ Mississippl qo -see scene sane a eens anes eee eee eee 152
In the cotton States at large._...---------.---.-----------..-------------------153
In the northwestern Territories, and in California..-.........-....--.---...-----153
Practical questions 10) De ADS Wered ses nn aa acsearle eee 153
Soils cultivated without fertilization come within scope --_..--.-...---.------.--153
MierHonS (OF VIN VESTIGATION) So o—osece an asa near anno nse ae anes dee eee ee 154
Mieldisuryey—sampling/ Of soils o ann sana cede e ae eee aaa ae ee 154
Qualificationsof field’ observers:s2---c-5--seten nono nenn bance canteen eee 154
Directions and descriptive blanks for field work..-.._..----.--.--------------154-157
Examination in ithe laboratory \s on25 5 ae sienn onan Saad esa eee ee ne eee 157
Limited: by time‘and working force i--c----oo cena canes sone n en eee 157
Physical 80 CLAMANAUON nc raenncaoe sneer en enon saad eee ade anal aes 157
Preliminary ObSserya ONS) p-oer os aoc nnw San ee noe Se ead seen ee ena een ene 157
Crushing, wetting, kneading, washing---...........-----..--------------..-.158
Quantitative determination of physical data ........----------------------158
Mechanical analysiSs-ccncsocase cscs enateanaaee en aanadee ome aie eae nn re eae 158
Precautions in preparing BAM DOS saoseencecn ane ee neeenenew= seen esa E nae ene 158
The mechanical soll-washer< sons seccne poco races conwe seen enon eeeeeene eee ae 159
Direct determination of clay necessary .--.-----------------------.-. -... paid 160
Determination of relations to water.....-..---..-..---------------2----._---.
159
Chemical sotl examination 22 <owe cadens anders nddatndene eal ae eee eee 161
‘Test for effervescence <~ss205-cavescunscuss candseeucen seats coe 161
General analysis—choice of solvents — 2-22 22s2 oo pene ees oncuwenncceeenee oe” 161
Ohlorhydrio-acid; preferable <<<2 255 saccn cept ceca en ee ae 161
Zime'land!methodiof digestionica.. = sssen au apeae eee anne ree 161
Course of the general analysis
5.~<<2c,<sucsancecc-nqcasemuceh
peau woe 162