In this method True Potato Seeds (TPS) is sown in nursery for raising seedling which are later transplanted in field. Disease free potato seed can be produced and prevention of disease to new areas can be checked. The cost of cultivation can be reduced as compared to traditional method of planting by tubers. 100-150 g seeds/ha in nursery is sufficient.
ScientificFarmingWeb
What are some of the physiological disorders found in the date palm trees?
Physiological disorders are observed in date palm tree due to external factors like rainfall, humidity levels, soil conditions, temperature, frost etc. Some commonly found disorders are blacknose, crosscuts, white nose, barhee disorder, black scald, leaf apical drying, fertilization injury and frost damage.
What are the common pests that infect the date palm trees and how they are controlled?
The commonly found pests of date trees are termites, lesser date moth, birds, white or red scale etc. The best way to prevent birds is by netting the fruit bunches during the Doka stage. The other pests on the trees can be prevented or controlled by the use of recommended pesticides like chlorpyriphos, deltamethrin and acetamiprid.
What is Delinting in cotton and how it is useful?
It is the process done with concentrated sulphuric acid in a ratio of acid to cotton seed about 1: 10. It helps in grading the seed, kills hibernating insect stages, Destroy the diseased pathogens and it makes seeds easy to sowing & germinates quickly.
What is puddling?
It is a process of destruction of soil aggregates by mechanical force in soils with excessive moisture content. Puddling destroys the soil structure which hampers root penetration and the development of the succeeding upland crops grown in rotation with rice. Puddling increases the bulk density of soil about from 1.4 to 1.7 g/cc.
What is Browning of rice?
Iron toxicity in rice is known as browning of rice. Iron toxicity is the major problem to rice production in water logged acid- sulphate soils of ultisols & oxisols soil orders. The beginning of iron toxicity is characterized by the appearance of purple coloration at the leaf tips and finally has a scorched appearance. Phalguna variety is tolerance to iron toxicity.
How much water is required by the date palm trees?
The irrigation requirement for trees depends on the age of the trees, soil type and weather conditions of the region. The actual water requirement by each plant is 2463.4 mm of water annually. It is also recommended that adult date palm trees need irrigation every 7 days during the summer and every 15 days during winter.
What is khaira disease and why it occurs?
It is the disease which usually occurs in rice due to zinc deficiency at the nursery stage. The tip of the zinc deficient leaves first become yellow and then dry and plant remained stunted. It can be identified by the appearance of rust coloured or brownish red coloration on the surface of the outer leaves. It can be managed by spraying of @ 5 kg zinc sulphate at nursery stage or foliar spray of 0.5 percent Zinc sulphate in early stage of crop.
How much fertilizer is required for the date plants?
The general recommendations for the use of fertilizers for the growth and establishment of date palm trees is 1.5 to 3 kg of nitrogen, 0.5 kg of phosphorous and 2 to 3 kgs of potassium per tree annually. The total manure requirement for each date palm tree is around 10 to 15 kgs for young plants and 30-40 kgs for mature plants. The quantity of fertilizer required may change as the plants age.
Which materials can be used in composting?
Most yard wastes can be composted into compost including leaves, grass clippings, plant stalks, vines, weeds, twigs and branches. Compostable food wastes include fruit and vegetable scraps, coffee grounds, egg shells and nut shells. Other compostable materials are hair clippings, feather, straw, livestock manure, bone meal and blood meal.