 | Agriculture - 1876 - 520 pages
...at short distance. They often became numbed by the force of the liquid but invariably rallied again. The best means of protecting fruit and shade trees deserves separate consideration. Where the trunk is smooth and perpendicular, they may be protected by whitewashing. The lime crumbles under the... | |
 | Agriculture - 1877 - 382 pages
...protection yet known, and will measurably answer when the insects are not too numerous or ravenous. The lime crumbles under the feet of the insects as...their persistent efforts, however, they gradually tear off the lime and reach a higher point each day, so that the whitewashing must be often repeated.... | |
 | United States Entomological Commission - Beneficial insects - 1878 - 832 pages
...correspondents who, had they tried their own recommendations, would have discovered the uselessness of the same. One suggested alum- water; another, from...higher point each day, so that the whitewashing must be often repeated. Trees with short, rough trunks, or which lean, are not very well protected in this... | |
 | United States Entomological Commission - Beneficial insects - 1878 - 828 pages
...very good purpose when the insects are not too numerous or ravenous. THE PROTECTION OF FEUIT-TBEES. The best means of protecting fruit and shade trees...higher point each day, so that the whitewashing must be often repeated. Trees with short, rough trunks, or, which lean, are not very well protected in this... | |
 | Beneficial insects - 1877 - 326 pages
...protection we have tried, and will measurably answer when the insects are not too numerous or ravenous. The best means of protecting fruit and shade trees...higher point each day, so that the whitewashing must be often repeated. Trees with short, rough trunks, or which lean, are not very well protected in this... | |
 | Mary Treat - Gardening - 1882 - 298 pages
...them in deep pits, providing the ground be packed hard on the surface. THE PROTECTION OF FRUIT TREES. The best means of protecting fruit and shade trees...higher point each day, so that the whitewashing must be often repeated. Trees with short, rough trunks, or which lean over, are not very well protected... | |
 | Mary Treat - Gardening - 1882 - 300 pages
...them in deep pits, providing the ground be packed hard on the surface. THE PROTECTION 0V FRUIT TREES. The best means of protecting fruit and shade trees...perpendicular they may be protected by whitewashing. Tlie lime crumbles under the feet of the insects as they attempt to climb, and prevents their getting... | |
 | Entomology - 1891 - 688 pages
...this purpose aloue, in view of the cheaper remedies just described. THE PROTECTION OF FRUIT TREES. The best means of protecting fruit and shade trees...higher point each day, so that the whitewashing must be often repeated. Trees with short, rough trunks, or which lean, are not very well protected in this... | |
 | California. State Board of Horticulture - Fruit-culture - 1902 - 462 pages
...Department of Agriculture, gives the following as the best means of protecting fruit and shade trees: "Where the trunks are smooth and perpendicular they...they attempt to climb and prevents their getting up, but they gradually wear off the lime and reach a higher point each day, so that the whitewashing must... | |
 | United States. Bureau of Entomology - Entomology - 1890 - 930 pages
...this purpose alone, in view of the cheaper remedies just described. THE PROTECTION OF FRUIT TREES. The best means of protecting fruit and shade trees...crumbles under the feet of the insects as they attempt to elirnb, and prevents their getting np. By their persistent efforts, howevtr, they gradually wear off... | |
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The best means of protecting fruit and shade trees deserves separate consideration. Where the trunks are smooth and perpendicular they may be protected by whitewashing. The lime crumbles under the feet of the insects as they attempt to climb, and prevents... 
