Fruit trees can be protected from hail and other extreme weather conditions by covering them with film plastics.
Weeds reduce asparagus crops' yield and quality of spears and delay crop maturity, while nettles and thistles deter pickers. Some herbicides can cause damage and affect quality.
Blackcurrants form flowers in response to the shortening day-lengths of late summer. It seems likely, therefore, that flowering will also be influenced by temperature at this time and could even be adversely affected if autumns were to get warmer.
Fusarium internal fruit rot of sweet peppers grown in glasshouses is an increasing problem. A UK survey in 2007 showed infected fruits present in many crops at levels from one to 37 per cent (PC 260).
It is important to know when to begin applying fertilisers, especially when propagating plants from stem cuttings. In the experiments reported below, unrooted cuttings of Petunia (approx equal to) hybrida 'Supertunia Royal Velvet' were inserted individually into cells in plastic trays.
The narcissus crop is grown for three or more years. Weeds reduce yield and quality of flowers (and bulbs), interfere with picking and bulb lifting, may delay maturity and have the potential to introduce pests and disease into the crop (some weeds are hosts of the stem nematode). Achieving a high level...
We eat the sprouts of various plants because of their taste and nutritional value.
Integrated crop management (ICM) integrates the use of both non-chemical and reduced or alternative chemical pesticide practices for the effective management of pests, diseases and weeds.
Nowadays, there is considerable interest in controlling plant height without chemicals. The experiments described below investigated the effects and interactions of forcing air over plants and of water stress.
Efficient and cost-effective weed control is as important in rhubarb as it is with other crops to prevent yield loss as a result of competition for water and nutrients and to enable efficient harvesting.
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