A Manual for citrus growers

acid acre alkaline applied arsenic average black scale branches brown rot bud sports bud union cent Citrus Experiment Station citrus growers citrus industry citrus trees condition cooperative cost Cottonseed meal County cover crops cubic cultivation Department disease districts dusting effective etcetera farm advisor feet fertilizer freeze fumigation fungus furrows gallons girdled grapefruit grove growth heaters heavy inches insects limbs manures markets materials mealybug method miner's inch moisture mustard Mutual Orange Distributors necessary neutral nitrate of lime nitrogen oak root fungus oil spray operations orchard organic matter packed boxes parasite pest control phosphate plant food plow sole potash pounds practice production pruning puncture vine red scale red spider Riverside rootstock rough lemon scaly bark scraped sheltered thermometer soil solution sour orange sulphate of ammonia sulphur tankage temperature thrips treatment trunk Tulare County usually Valencia Valencia orange weed windbreak young trees