The attempted extinction of a plant species David Bloomfield Hortons, Mascalls Lane, Brentwood, Essex CM14 5LJ I have recently been in correspondence with one of our leading members about former ways of managing certain aspects of growing crops, and they suggested I put pen to paper. At the present we hear so much about the benefits of organic farming, usually perceived as putting the clock back at least fifty years. I get increasingly interested in how things were done yesteryear, but my background screams very loudly at me to remember the dreadfully low productive fields by today's standards, and the vast amount of hard manual labour and the large labour force compared to the tiny fraction of today's standards. I was not there, but I read and listen to the old timers. Weeds were an over-riding problem. It was true that one year's seed gave seven years weeds, and one of the worst species that was once said not to produce viable seed was Twitch or Common Couch Elytrigia (formerly Agropyron) repens. Various things were tried to suppress this grass. One of the best was said, tongue in cheek, to be growing good crops to stifle it. The ultimate answer was to fallow the land for a year by ploughing it every month when conditions were suitably dry, until mid or late summer, when the soil was made friable and most of the rhizomes were lying on the surface dead or dying. Then the field was raked and heaps made of the rhizomes, which were burnt as soon as dry enough. There were many fires to the acre, but this was a very smokey business and I do not remember ever seeing blazing fires. Another approach I re- discovered myself was to plough during the frost. Too hard and it was impossible, too little and you sank in the moist soil underneath. I had a small field on the south side of which was a hedge on a bank, which shaded the soil to such effect that there was a colder climate. This affected the crops and gave Twitch the advantage, with all this area turning green towards the end of the winter after it had been ploughed early the previous autumn. I was aware that it should be possible to plough it again as the first frost seemed hard enough to stop me sinking into the moist spoil underneath. I was amazed when the Twitch subsequently did not re-appear in any quantity again, but did not think about it until a former farm worker was praising the old ways and mentioned ploughing in the frost to kill Twitch. It was not very long before I realised what I had done a year or two before. A few years later I took over more land, some of which was severely affected by Twitch. By this time I had a heavier and more powerful tractor as well as reversible plough, which from a distance is another complete plough above the one that is working, and at least double the weight. Tractor ploughing is done by running a front and rear wheel in the furrow, which in less hard frost is of course not frozen and usually very moist. This causes severe soil compaction with a great risk of getting stuck, but with a larger tractor came more power, able to pull a deep cultivator at least as wide as the Essex Field Club Newsletter No. 62, May 2010 7