1931 potato experiments at Bluewater, New Mexico

              NffiT l,m(rcO coLLmE 0F AGBTOULTURE Ar,rD lirECllAirtrc :irirs , AI{D AORICIIITURAL EJ(PERTI6EI,IT STATIOIV
Press Bulletin 6/+5
1931 PCIIATO EI(PERI]EI$S AT BLUS'IAT5R, I\iE"ff i,iffi(IOO
In 1931 a. slight thange was nade in the duty nenlal plots at of water-Irish potato experi- BLuewater. Previous to this year the Russet Burb-ank varieiy vras used in the duty of, water tests, but on account of the fact that this variufy *"" considerably af{eeb"9 by earry 6tigrrt, materially reducin! the percentage of irio. I tubers, the vari.ety for this test nas-changed to-the lris[ Cobbler.
The land used for the duty of water test in f931 had been lro"ing alfalfa for a nrlnber of years. This wgs plow9d twice, the iirst t:-me--oi-r;;.fli'*a the second time on March 25. The soil i.s a sindy loam. Because of qonsiderable
^I11".*i iT_:p"ing.it was thought not necessary io irrigate the 1eurd before plant-q'{*
fi"::ffi:ii,' *riil Ll "tr"Tli iil':Hl'i . Tfe plgtir-rg was done with a potato plinter-on J:".Ti.ili. $ "l"il :" lT:3i{f tivoly. lqi 15, in ro,rs 3 feet apart, arop-
Ping the pieces about 12 inches apart in the rovr. fronediately after pfirntiig th-e potatoes the l-and was hamovred. Before planting, the seeh ltais treated with cold formaldehyde_. Ilidging vlas done in June. Theri-were aII together five culti- vations. The rg{owins taute shows the number and. dates of irrigations, as well as the actual yields per prot and the qolnuted yields nqr o""1. Each prot rs rf6 acre, with the exception of plots I and ?, whicir o"ru i/tZ acre each. The ZavLtz straln of r*ish cobbler nas used in this experlnent.
-------. -*-b---
I Number
Plot i of
No. I irrig&-
Dates of i-rui Computed ;rield
Der aere
-gation
Number
of
plants
per
pl,,ot
Actual
yiel-d I
I Per
! cent
f No.
llt s
tions lflrsit iznd f3rA 1
4th 5th 6th lo. 1ll,lo" 2
I
otal
2
3
lr
5
6
2
3
L
5
16/s
i6/s
16/s
la/a
i6ls
lair
7 /Lt+i
? /Lt. lZ lzr
T /Lr, ll /zs
7 lutriz /zr
6/22
lz /t+
s/ro I s/:.0 |
7/25 1i
--F-t- ---*-
s/ze i i
a/ro ls/zel
====*==-===
352 i 31e I Zs L592 i gt+z leoo L556 ireoo lzt-l 1680 ir35o izro 1590 ;1560 lnf
LTtrt+ irzro lero
,=::3==i=39=i:::
8ri
82i
88i s/' I 82i
89 1 s5i
7s281 ggc
5652 i1200
10800 | rase
8100 I 15oo
9360lzazz
r05oo I re6o
rl58o
I
r98o
l+728
6esz
L2282
9600
LL}82
11760
]3560
Frop the above table it ruill be --------- Aion either seen that Plot 1, which received no irriga- before or after plantilgr g."ye the sm-tIlest yield. prot 2, which received Jteirn e y irlrrerrirgl"dagt.ai orrlnot, n irs ww daagsif nfiecxuLb llltoo wweesstt.. _pPfl6oi t 3f. , wwiitthh 22 iirnrnigioaatSti-oonnss-, rwj'.r..lsn seeacnonn'rdr hhiigolhaeos.lt to explaln.tiris_fact.- plol ?, rrirr A imigations, gave the highest yierd. rn the past lhls has always been one-of the lovi--yieraing'piots and_the plots receivi.ng 3 and { irrigations hl.ve Ueen-ifr"-frifi-proO"cers, On the who1e, the crop nas very satisfactorf, attrrorrgh the earry urigrrl dld considerabre damage and reduced the p'ield materiatiy
in The rainfall-for^Jllor {u.Iy, Augult, and september wes greater in }931 than 1930. The yield of Ploi I se6rns [o inaicat", houo"rrur, that t,he precipttation was not sufficient !o pry{uge a hearry crop of potatoes. The folrowing are the dates and amounts of rainfalt for trri groi'rirrg "*."o, of 1931: