MANORIAL TRIALS
BASIC SLAG AND KAINIT SCOTTISH EXPERIMENTS A very interesting and instructive sfieep-feeding experiment has been carried oLit over the past three years by Mr. Thos. Lyal, Greenknowe, Gordon, Berwickshire, under the'auspices of the Edinburgh and East of Scotland College of Agriculture. The purpose of the experiment was to ascertain the relative values of varying quantities of basic slag as against basic slag and kainit, the results to be adjudged by the live-weight increase of the sheep on the respective plots. A 15£ acre field of black top soil was chosen with a poor rough herbage containing a sprinkling of clovers. Three plots were selected of 3* acres each, and the following manures wenapplied in March, 1923:—P10t 1,6 cwt. basic slag 30 per cent.; plot 2,6 cwt. basic slag 30 per cent, plus 4cwt. kainit; plot 3,10 cwt. basic slag. During that year the field was grazed by sheep and cattle, and in the spring of 1924 the three plots were fenced off. The experiment started on May 31, when 12 sheep were put on each plot, but it was found y the middle of June that there was sufficient grass to carry three more sheep, so that when the grazing period finished on October 11, there were 15 sheep on each plot. The sheep were carefully weighed at the beginning and end of the experiment. The same procedure was carried out in 1925, the grazing period being May 2 to October 3, the number of sheep varying from 12 at the beginning of the experiment to IS at the end according to the carrying capacity of the respective plots. In 1926 the sheep were put on on May 1, and taken off on September 25, the number varying from 13 to 16 per plot. The combination of basic slag and kainit gave the biggest increase, being 77.271 b over No. 1 plot, and 36.121 b over No. 3 plot. Throughout the experiment No. 2 plot looked fresher and healthier than the other two and contained considerably more clover, a fact which was reflected in the condition of the sheep. 15.2. W
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Sun (Auckland), Volume 1, Issue 21, 16 April 1927, Page 18 (Supplement)
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353MANORIAL TRIALS Sun (Auckland), Volume 1, Issue 21, 16 April 1927, Page 18 (Supplement)
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