Results 331 to 340 of about 147,956 (345)
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The Journal of Agricultural Science, 1957
Information on how growers actually manure their crops is available from the Survey of Fertilizer Practice, carried out by the Provincial Soil Chemists of the N.A.A.S., in collaboration with Rothamsted. These data indicate that, taking into account the nutrients in farmyard manure, the average amounts of nitrogen and potash applied are not far from the
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Information on how growers actually manure their crops is available from the Survey of Fertilizer Practice, carried out by the Provincial Soil Chemists of the N.A.A.S., in collaboration with Rothamsted. These data indicate that, taking into account the nutrients in farmyard manure, the average amounts of nitrogen and potash applied are not far from the
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The Quarterly Journal of Economics, 1912
Twenty-five years ago, little expectation of the growth of a beet-sugar industry, 189. — Great growth since 1890, 191. — Concentration in the far West, 193. — Climatic advantages of the arid region, 195. — Intensive cultivation required, 197. — A large labor supply needed; an agricultural proletariat? 199.
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Twenty-five years ago, little expectation of the growth of a beet-sugar industry, 189. — Great growth since 1890, 191. — Concentration in the far West, 193. — Climatic advantages of the arid region, 195. — Intensive cultivation required, 197. — A large labor supply needed; an agricultural proletariat? 199.
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Incidence of sugar beet soil-borne viruses in sugar beet growing countries
2005Soil samples from the main sugar beet growing areas of Austria, Belgium, Croatia, France, Germany, Hungary, Japan, Lithuania, The Netherlands, Poland, Serbia and Montenegro, Spain, Swiss, United Kingdom and United States were investigated for the presence of the most important known sugar beet viruses transmitted by Polymyxa betae Keskin ...
RATTI, CLAUDIO +8 more
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Journal of Education, 1903