Document paRNYwgex1GwrGeY9NV6kJ5D

K0- t t i CS THE NEWS c....nnl pot 'tor* in oiic nju intmn. Wurk is iil-n in and ha* detected PCD first mao r n lc hum progress en a dr>*ibic-rm* harvester. 1911. .. That tractor win cl> arr indie! h.trniful Ill Swcilcn, PCD i.i known to he turd in to soil hnn rmcrgi *1 Irum a uni>pio livid Study at the imiimic. Using n p.unm.i-ray prnhc .ml ih tivtor, roenrdtera thorc have h.-cn hie U* .!is.-r\c for tiic firs; till* til,: rlcrtru-.il inMil.timu*. hyd-aulio cul, high-irmperature and high-prcov.irc hihreating oils, (Mint, lacijurrs amt itiruidii'S and a* |ii.*mcnt.-v m v.irinu.v * actual bee! probes of soil density n rm j plastics. It dues not srem to be ue.d .n tractor ruts, plough furrow* nnl thr. like. insecticide. It is not destroyer! by incinera They hair related those to the failure nf tion and mav enter the body direeJv plant* such os raspberry enne* to prow through the skin, by breathing, nr hvwav where the soil ha* bovomc compacted. uf food (especially f:sh). It in particularly Clods ore alvo lypr.ully the result nf the harmful to the liver, ar.d abo the skin; passage of heavy machinery across the soil this has been deinnnurated hy experi for varioii* purpose* such ns hoeing. At the National Institute of Agricultural En*inrcrir.k`. How-den, Midlothian, mme interesting new attitude* ore developing, however. For one thing hr ri.ride* have ao that cutting down the extent to which tractors ami wheeled vehicles run over the soil will undoubtedly improve production. This is hy no means the or.iy application of modern methods of science to farm mechnniration at NIAE. Novel work under ment*'on mice. PCB is much harder to break down than DDT and there is everreason to uppovc that it is much more difficult to get it nut of the system Th subslnnrc has also been detected in t!.'* air over London and Hamburg and nl.vn in eliminiteli the need fer close manual way aims at aiiiomatcd singling of sugar seals caught otT Scotland. It can therefore procedure* which mean* that it is no beets. Again it is herbicide* like p.tranuAt be presumed to be widespread throughout * longer nere*:}' to prow nil crop* in single that have made such advances possible.' tho world. . . *. ro\v*. There would be distinct advantage-* Manual thinning by hoe is tedious and in growing potatoes, Tor instance, in beds expensive. The plan is to use a iniichine as wide as three or four rows. It would be equipped with photoelectric detectors more economical of land, earthing-up could be done quicker, and the soil would suffer less from tha eomprcssional sensitive to the spectral absorption lines of the green chlorophyll pigment in leaves. Signals from this device, indicating the LCAVES AKD ilSHSS \ damage done lv agricultural machinery. density of foliace. will control a paraquat . The famine which now threaten* parts of There is a drawback, howevor. Tradi spray which xvill squirt the excess plants, India ha . tended to focus tiio attention of tional trartor design does not permit the leaving only those required at specified the developed countries on that sub use of "idc strip*; and no one elsewhere intervals for optimum growth. continent'* chronic inahrlltv to feed its c-rms to have given much thought to ways Engineering data during field trials on teeming people* but a warning note came J in which tractors could be improved. At ' new equipment is about to be collected by 1 last vwceK from another less puhlicittetl vMAE engineers have had a hard look at phat formers ara going to need in the fumee and r-.vr designed nn imt*re*siv9 .1 ''self-propelled, multi-purpose toolirame", radio telemetry, and modern ciliaprocessing methods arc under develop* nicnt at XIA 5. area. Dr 3. tv Sen ihs Indian Director General of the UN Food and Agiicuiture Ornani^ntion was addressing a regional conference at Punta del F.ste, Uruguay.' which could well com to dominate our -- -- - He lambasted the governments of calm 'I rurel Lindsvcpcs in a few years' time. Essenti. !!-, it consists of a Urge box frame, 71EPCr.T Or A MSW America for. their unwillingness to face what could be " a verv serious (uau'on supponevi r.t chest-height on conventional CXZtfSCAL HAZARD indeed" . It would tokc.^c said, an increase tractor wheels--a large pair at the front and sr.nll pair at the rear corners. At the front of the frame in the centre is a power ful, 70-l.nrsepowcr tractor engine coupled to the driving wheels by independent oil- drivtn hydrodynamic motor*. The drver sit* high up on the rear member of the box frame in a seat .hat eon be hydnmlirc!|y shifted from side to side, or turi.rd right round to face the reverse direction. He has two levers at his left hand; both forwnrd gives a range of *. ' , A Swedish icaearch worker has expressed concern over the increased amounts of polychlorinated biphenyl (PCD) entering the air. presumably from industrial smoke and rubbish-dump smoke, and being absorbed by water ami taken up Ly fivn and later humans. I'CB which is related to and es poisonous as OUT was detected hy Mr Soren jcn*vit of the Institute for AnnMica l Chemistry, University of Stockholm, i:i some VOO pike taken from lorwjrJ speed; both backward, re erse different part* of Sweden, fish and fish- *i>ccilc. Hy moving them independently spawn throughout the country, an eagle u.e whey!, v.i!l revolve at different rates which was found deed in the Stockholm , r,*'hi tun ing. The rear wheels are *r,eco;.j*`*!.y mounted and can he rnird 'r d hydraulically. Tiny are self- .f ' vr uneven ground. Agricultural Arehipel.tco, ml in his own. his wife's ami h:s baby nauehtrr'i hair. As hr buhy is only live* montli*. old her laihri con clude* tiiat she cot her dose o* I'CH with ".cn.i-nt* .-re mounted--without the her tr.otiu'r'# milk. * r I'-, ji.d-djmiiginz wherjs----in the It is not known ot present how- much c*^ hex frame, Implc-nciit, of this substance is dangerous o.* even v* ) ! , c,' r`i b* d.'iigiicd for Indriuhr. ' V.-.- t\ !;.;'vt: with "* ' ti-~< a, earn tr-:-;.t coruer fatal. If it iscvmpnrabiawuh DOT then the hmit would he O.S me per cubic metre o! air--and, for eoia;urii)ii. the 'rad r:it-lc in food production of four per cent a vear to stem "social and political unrest winch still prevail**, or even to prevent it from worsening. Dr Sett s warning conics none too soon. - Malnutrition if not actual hunger is wide spread in Latin America, where per-capita food production has dropped by four per cent in the past li.xycars. At the same time the population is expected to double itself (to *122 million) by 19D5. Dr Sen believes the four-per-cent rise to he fevhnically feasible, if an .all-out-ciTort is made now. Apart from the struggle to incrru*e food supplies to keep ucc with population, however, efforts are also being made to ovi-'Tollio trailitional prejudices various Pv.i.l* which may he plentiful though neglected. In the s.atcrs of l.nkr Victoria, fur instar.c:,1-- they cover nn urea aL-ut the si/: of Ireland-- i,-r** .re v.n*t s';*;,! rf t:ir.:u.i, n firm v.iut,- v-- C. nr. r.nj very tasty. I'.urnpran l-.rirs * ' * *r *r.u h sInedie t;.Vv-utT valves. evuitrivcncu s'.i. plieity its.i t-.r-d at least 10 ti;n*:x us high a e;*o?ct.;ra- ftif'-rtil1 u:-.ri the Ti?ini.ui rovesp.:i*U tia; in its body. F.r purposes >t".I::.i:sn- AiM.iit the pos.il-ilitti-H ,if -enuin.: f**-. ti.-.i Mr Je.'is-n it<c-!i.n.wci fc.ith-r- frorr. iiin'ts In Tillrope hut ll c Inrr.l pnpit- nr* A . ...mm.; unit h.:S nov I n ;* run-w ur- i-.i.-i**. prr-- Tx.rti nt th** Sw*.di>li N..',:i't! lv to tm-iiri> js kern to eat i!u`> .rt i.f ** * plant t.'.l *i- .-*' I t ro**i. M .v-u.n >; iti.utry >in*v !*.) fere. NtV 0 3 1 0 6 0 780598