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Results 1 - 10 from 15 for sowing depth in 0.456 sec.

Direct seeding - the natural solution for revegetating arid lands
Research in Senegal has shown that organic matter and total mineral nitrogen ... . The first is non-toxic physical scarification or water treatment and the other variable is sowing depth. The average annual rainfall was 223mm 1990-94 at the field station. At Tanout, 13km ...
www.eden-foundation.org

Direct seeding by farmers - the natural solution to Sahel's problems
The other variable is sowing depth. Holes are made for the seeds to the correct sowing depth with a tight fit in order ... (each experiment being a certain combination of species, seed treatment and sowing depth) are sown in 4 plots of 900 seeds each which ... local Hausa knife is used to make a trench for sowing the seeds, the sowing depth being calculated using the diameter of the seed measured ...
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Maryland Native Plant Society: Bibliography
Most entries also include very good drawings of seeds and seedlings. There is a ... as seed physiology, seed collection, cleaning, storage, and pre-planting treatment are discussed in depth starting from a layman's understanding. This book also includes many herbaceous species. Specific ...
mdflora.org

Plants For A Future - New introduction
Yet the cultivated land supports very few species. The quality and depth of soil in a woodland is maintained and improved yearly whilst erosion and loss of ... takes to cultivate and harvest crops. Annuals means the cultivation of the ground every year, sowing the seeds, controlling the weeds, adding fertilizers and attempting to control pests and diseases. It ...
pfaf.org

Mechanical Weed Control in Cereals
Only for high weed populations 2 to 5 leaves 12-30 days after sowing at a speed of 10-14 km/h. Crop will look terrible but ... minimum. 3 to 5 leaves 6-9 km/h. 15-30 days after sowing. Crop will look terrible but yields will not be reduced. Do not ... finger weeder, adjust the tines of each section at different pressure. Adjust the depth wheels so that all tines are slightly into the soil and the ...
www.eap.mcgill.ca

13 ALPINE RANGELAND ECOSYSTEMS AND THEIR MANAGEMENT IN THE QINGHAI-TIBETAN PLATEAU by Long Ruijun[15]
Climate Air and solar radiation The average depth of the atmospheric layer above the alpine rangeland of the Qinghai-Tibetan Plateau is about ... lower above ground. However, their root systems can become well established in the year of sowing, and this benefits survival and growth in the second and subsequent years. To achieve both ...
fao.org

RESEARCH ON A COMPUTERISED WEATHER-BASED IRRIGATION WATER MANAGEMENT SYSTEM
Intermediate level -where managers are provided with ...
fwr.org

Brassica juncea
Rooting depth 90–120 cm. Seeds about 5,660–6,000 per 0.01 kg (1/3 ... –35). Patel, J.R., Parmar, M.T., and Patel, J.C. 1980. Effect of different sowing dates, spacings, and plant populations on yield of mustard. Indian J. Agron. 25(3):526 ...
www.hort.purdue.edu

Crotalaria juncea
If there is no rain after sowing, field is irrigated along these furrows. Crop is irrigated once in 10-15 days, lightly ... of days required for retting depends on water temperature, locality, time of year, weather conditions, depth and source of water, thickness of stalks, and quantity of straw in relation to volume ...
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Gardening tips - Seed Sowing - Plants For A Future
Especially helpful when sowing peas or beans in the outdoor garden. Having learnt the ... sowing the seed a very thin layer of compost is added and gently firmed down. The gravel is then added to the same depth ... maximum depth of 1cm gravel is all that is needed. Emmersion Most commonly used for bog garden and water garden plants. After sowing the ...
pfaf.org