Soil Water Management and Conservation Practices Towards a New Cropping 

Pattern in Drought Prone Areas of Bangladesh

Hassan, Aden Aw; Karim, Nazmun Nahar; Hamid, Mohammadi; Salam, Muhammad Abdus

doi:10.3923/ja.2003.77.84

Cited by 3 publications

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“…In the dry season of the semi-arid tropics, land with a standing water table is able to grow some field crops without irrigation. Such land commonly occurs in the rice-based lowlands in Thailand (Jintrawet et al ., 1983; Polthanee, 1991), Nigeria (Adigbo et al ., 2007), Bangladesh (Hassan et al ., 2003), India (Kar and Kumar, 2009), Indonesia and the Philippines (Rahmianna et al ., 2000; So and Ringrose-Voase, 2000). Success of dry season cropping depends largely on crop establishment and the subsequent availability of soil moisture (Zandstra, 1982).…”

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Is Deep Sowing Beneficial for Dry Season Cropping Without Irrigation on Sandy Soil With Shallow Water Table?

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SUMMARYDeep sowing (15 cm) on sands in the dry season is a practice used in post-rice sowing of legumes without irrigation, designed to increase moisture access for germination, growth and crops yield. However, with such deep sowing there can be a penalty for emergence and growth if there is abundant water stored in the upper soil profile during the growing season. Hence, there is a need to define the soil water regimes under which deep sowing is advantageous for different legumes. To investigate the adaptation of legume crop species to deep sowing, we studied their emergence, growth and yield on three deep soils (3-16% clay) with shallow water tables during two years in northeast Thailand. At site 1 and 2, peanut, cowpea, mungbean and soybean were sown shallow (∼5 cm) or deep (∼15 cm). At site 3, only cowpea and peanut were shallow or deep sown. Shallow water tables maintained soil water content (0-15 cm) above permanent wilting point throughout the growing season. Deep sowing of all legumes delayed emergence by 3-7 days at all locations. Shoot dry weight of legumes after deep sowing was mostly similar or lower than weight after shallow sowing. Yield and harvest index of legumes did not differ meaningfully among sowing depths. Therefore, deep sowing was not beneficial for dry season cropping without irrigation when there was a shallow water table and sufficient water for crop growth throughout soil profiles in the growing season. Taken together with previous studies, we conclude that shallow rather than deep sowing of legumes was preferred when the soil water content at 0-15-cm depth remained higher than permanent wilting point throughout the growing season due to shallow water table.

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Section: Introductionmentioning

confidence: 99%

Is Deep Sowing Beneficial for Dry Season Cropping Without Irrigation on Sandy Soil With Shallow Water Table?

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Chickpea breeding and management

2007

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Use of Conservation Technology for the Improvement in Production of Chickpea in Comparison to Wheat

Bimbraw

2016

Curr Agri Res Jour

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In the last four decades, the area, production and productivity of chickpea fluctuated widely. There is a general perception that chickpea is a rabi crop and requires low temperature and prolonged winter season thus more fit for cultivation in northern India. Chickpea area was earlier confined to northern and central India. However, the scenario of chickpea cultivation has drastically changed in India during the past few decades. Pulses have very low productivity due to several reasons. However, the obvious reasons are cultivation under energy starved conditions on marginal and sub-marginal lands with no or low input management, late sowing, higher degree of susceptibility to both abiotic and biotic stresses, unavailability of quality seeds of high yielding varieties, poor or no use of plant protection measures, improper management practices, lack of winter precipitation and inadequacy of stored soil moisture, etc. Wheat is the world’s number one cereal crop in all the six continents of the world. It is the staple food of billions of people and is widely treated as cash crop because it produce good yield per unit area in short growing season. Similarly, chickpea is an important pulse crop of the semi-arid tropics, particularly in the rainfed area of the Indian sub-continent. Conservation technology plays important role to increase the productivity of wheat. Keeping the above in considerations try to know the role of conservation technology for the increase in the production of chickpea in comparison to wheat in this paper.

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Soil Water Management and Conservation Practices Towards a New Cropping Pattern in Drought Prone Areas of Bangladesh

Cited by 3 publications

References 0 publications

Is Deep Sowing Beneficial for Dry Season Cropping Without Irrigation on Sandy Soil With Shallow Water Table?

Is Deep Sowing Beneficial for Dry Season Cropping Without Irrigation on Sandy Soil With Shallow Water Table?

Chickpea breeding and management

Use of Conservation Technology for the Improvement in Production of Chickpea in Comparison to Wheat

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