FRUIT ORCHARD EROSION
Experiment In Nelson
Contending that if more grass could be established under fruit trees on Nelson’s hills the erosion problem would be solved, the Department of Scientific and Industrial Research began such an experiment in 1950.
Results of the first six years show that erosion has been checked but at the price of a 20 per cent, drop in apple yield. A report from the department says that for the test a block of mature Jonathan trees was selected. For 35 years they had been under clean cultivation, well manured, and regularly sprayed. Heavy summer rains had removed a great deal of the top-soil but growth was vigorous and crops good. Part of the block was sown with white clover and perennial rye grass and part was kept under clean cultivation.
An extra 21b of nitrogen given to grassed trees reduced yield by about 8 per cent. The experiment will be continued.
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Press, Volume XCV, Issue 28262, 27 April 1957, Page 8
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155FRUIT ORCHARD EROSION Press, Volume XCV, Issue 28262, 27 April 1957, Page 8
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